HP M176 n, M177 fw Color LaserJet Pro MFP Troubleshooting Manual
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COLOR LASERJET PRO MFP
Troubleshooting Manual
OK
X
M176 M177
HP Color LaserJet Pro MFP M176, M177
Troubleshooting Manual
Copyright and License
© 2013 Copyright Hewlett-Packard
Development Company, L.P.
Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.
The information contained herein is subject to change without notice.
The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Part number: CZ165-90944
Edition 1, 9/2013
Trademark Credits
Microsoft®, Windows®, Windows® XP, and
Windows Vista® are U.S. registered trademarks of Microsoft Corporation.
Conventions used in this guide
TIP:
Tips provide helpful hints or shortcuts.
NOTE:
Notes provide important information to explain a concept or to complete a task.
CAUTION:
Cautions indicate procedures that you should follow to avoid losing data or damaging the product.
WARNING!
Warnings alert you to specific procedures that you should follow to avoid personal injury, catastrophic loss of data, or extensive damage to the product.
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iv Conventions used in this guide ENWW
Table of contents
Step 6: Separation from the drum ............................................................... 17
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The product is using incorrect link and duplex settings for the network ...................... 99
New software programs might be causing compatibility problems ............................. 99
The product does not print after the wireless configuration completes .................... 100
The product does not print, and the computer has a third-party firewall installed ... 101
Cannot connect more computers to the wireless product .......................................... 101
The wireless product loses communication when connected to a VPN ...................... 101
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Multiple returns (more than one cartridge) ............................................... 128
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List of tables
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List of figures
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1 Theory of operation
This chapter presents an overview of the major components of the product, and it includes a detailed discussion of the image-formation system.
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Pickup, feed, and delivery system
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Document feeder functions and operation
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ENWW 1
Basic operation
Major product systems
The product includes the following systems:
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Document feeder
● Document scanner
●
Engine control system
● Laser/scanner system
●
Image-formation system
● Pickup-and-feed system
Figure 1-1
Product systems
Formatter
Document feeder
Document scanner
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Sequence of operation
Table 1-1 Sequence of operation
Period Duration
WAIT From the time the power is turned on or the door is closed until the drum-phase adjustment is complete
STBY (Standby period)
INTR (Initial rotation)
From end of the WAIT or LSTR period until either the print command is received from the formatter or the power is turned off
Purpose
Clears the potential from the drum surface, adjusts the drum phase, and cleans the intermediate transfer belt (ITB)
Maintains the product in readiness for a print command
Prepares the photosensitive drum for printing
Remarks
Detects the toner level, cartridge presence, and environment; completes any required calibration (color registration control and image stability)
The product enters STBY mode when the formatter sends a sleep command; the product performs color registration and the image stability control when the formatter sends those commands
LSTR (Last rotation)
From the time the print command is received until the paper is picked up
From the end of INTR period until the fuser paper sensor detects the trailing edge of paper
From the end of the PRINT period until the motor stops rotating
Forms the images on the photosensitive drum and transfers the toner image to the paper
Moves the printed sheet out of the product
Performs image stabilization at a specified print interval or at specified times
The product enters the INTR period as soon as the formatter sends another print command
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Formatter-control system
The formatter is responsible for the following procedures:
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Controlling Sleep mode
● Receiving and processing print data from the various product interfaces
●
Monitoring control-panel functions and relaying product-status information (through the control panel and the network or bidirectional interface)
● Developing and coordinating data placement and timing with the DC controller PCA
●
Storing font information
● Communicating with the host computer through the network or the bidirectional interface
The formatter receives a print job from the network or bidirectional interface and separates it into image information and instructions that control the printing process. The DC controller PCA synchronizes the imageformation system with the paper-input and -output systems, and then signals the formatter to send the print-image data.
Sleep mode
After a user-specified time, the Sleep mode feature automatically conserves electricity by substantially reducing power consumption when the product is not printing. After a user-specified time, the product automatically reduces its power consumption (Sleep mode). The product returns to the ready state when a button is pressed, a print job is received, or a door is opened. When the product is in Sleep mode, all of the control-panel LEDs and the power button backlight LED are off.
Input/output
The product receives print data primarily from the following:
● Hi-Speed USB 2.0 port
●
10/100/1000 Ethernet LAN connection
● 802.11b/g/n wireless networking
CPU
The formatter incorporates a 600 MHz Arm processor.
Memory
The random access memory (RAM) on the formatter PCA contains the page, I/O buffers, and the font storage area. RAM stores printing and font information received from the host system, and can also serve to temporarily store a full page of print-image data before the data is sent to the print engine.
NAND Flash memory
The Smart Install CD image (ISO) is stored in the NAND Flash non-volatile memory. This memory can be reprogrammed through the firmware.
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Firmware
The product has 128 MB of DDR-2 SDRAM, which is used for run-time firmware imaging and print, scan and copy job information during printing.
Memory use
The product has a 16 KB EEPROM and 16 MB of SPI NOR Flash Memory, which is used for product configuration information and print driver firmware.
PJL overview
The print job language (PJL) is an integral part of configuration, in addition to the standard print command language (PCL). With standard cabling, the product can use PJL to perform a variety of functions such as these:
●
Two-way communication with the host computer through a network connection or a USB connection.
The product can inform the host about such things as the control-panel settings, and the control-panel settings can be changed from the host.
● Dynamic I/O switching. The product uses this switching to be configured with a host on each I/O. The product can receive data from more than one I/O simultaneously, until the I/O buffer is full. This can occur even when the product is offline.
●
Context-sensitive switching. The product can automatically recognize the personality (PS or PCL) of each job and configure itself to serve that personality.
● Isolation of print environment settings from one print job to the next. For example, if a print job is sent to the product in landscape mode, the subsequent print jobs print in landscape mode only if they are formatted for landscape printing.
LEDM overview
The low-end data model (LEDM) provides one consistent data representation method and defines the dynamic and capabilities tickets shared between clients and devices, as well as the access protocol, event, security, and discovery methods.
Control panel
The formatter sends and receives product status and command data to and from the control-panel PCA.
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Engine-control system
The engine control system coordinates all product functions and drives the other three systems.
The engine control system contains the DC controller, low-voltage power supply PCA, high-voltage power supply PCA, and fuser control PCA.
Figure 1-2
Engine control system components
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DC controller
The DC controller controls the operational sequences of the product.
Figure 1-3
DC controller circuit diagram
Engine controller
Connector PCA
Low-voltage power supply
Fuser
ITB ass’y
T2 roller
Cartridge
Control panel
High-voltage power supply
Formatter
DC controller
LED
Motor
Solenoid
Photointerruptor
Sensor
Switch
Laser scanner ass’y
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Low-voltage power supply
The low-voltage power supply converts AC power from the wall receptacle into DC voltage power.
Figure 1-4
Low-voltage power supply
DC controller
AC power
Power switch
SW7001
+24V
PWSW
Low-voltage power supply
Remote switch control circuit
Fuse
FU101
Connector
PCA
Fuse
FU102
Rectifying circuit
Fuser control circuit
Relay
RL401
Relay control circuit
Frequency detection circuit
200V model only
Fuser
FREQSNS
+24V
Switching circuit
+24B
RLD+
RLD-
+24R
PWSV
+24V generation circuit
+3.3V
generation circuit
+3.3R
Interlock switch
SW501
+3.3T
Switching circuit
LVT100V
Protection circuit
/REM3V_V
+24V
Switch
+3.3V
Formatter
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High-voltage power supply
Figure 1-5
High-voltage power supply brush
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Fuser control
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Image-formation system
The DC controller controls the image-formation system according to commands from the formatter.
The DC controller controls the internal components of the image scanner system to form the toner image on the photosensitive drum surface. The toner image is transferred to the paper and fused.
The following are the main components of the image-formation system.
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Imaging drum
● Laser scanner assembly
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Carousel
● Four toner cartridges
● ITB
● ITB drive roller
● T1 pad
● ITB cleaning brush
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ITB cleaning roller
● T2 roller
● Fuser film assembly
● Pressure roller
● High-voltage power supply
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The following image shows the components of the image-formation system.
Figure 1-6
Image-formation system brush
Image-formation process
The DC controller rotates the following motors to drive each component.
Main motor
● ITB drive roller
● ITB (follows the ITB drive roller)
● T2 roller (follows the ITB)
● Imaging drum
● Primary charging roller (part of the imaging drum)
● Developing roller (part of the toner cartridge)
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Carousel motor
● Carousel
●
Engagement/Disengagement of the developing-cartridge (follows the carousel)
Fuser motor
● Pressure roller
●
Fuser film (follows the pressure roller)
● Engagement/Disengagement of the T2 roller, ITB cleaning roller and ITB cleaning brush
Figure 1-7
Image-formation process
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Latent-image formation stage
During the two steps that comprise this stage, a latent image is formed by applying a negative charge to the photosensitive drum. This image is not visible on the drum.
Step 1: Primary charging
A high-voltage DC bias is applied to the primary charging roller, which is made of conductive rubber and is in contact with the drum surface. As the roller moves across the drum, it applies the negative charge to that surface.
Figure 1-8
Primary charging
Step 2: Laser-beam exposure
The laser beam scans the photosensitive drum to neutralize the negative charge on portions of the drum surface. An electrostatic latent image is formed where the negative charge was neutralized.
Figure 1-9
Laser-beam exposure
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Developing stage
The developing cylinder comes in contact with the photosensitive drum and deposits toner on the electrostatic latent image.
Step 3: Development
The toner acquires a negative charge as a result of the friction from the developing cylinder rotating against the developing blade. When the negatively charged toner comes in contact with the drum, it adheres to the electrostatic latent image. When the toner is on the drum, the image becomes visible.
Figure 1-10
Development
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Transfer stage
Step 4: Primary transfer
The toner image on the photosensitive drum is transferred to the ITB. The DC positive bias is applied to the primary transfer pad. The negatively charged toner transfers to the ITB from the drum surface.
Figure 1-11
Primary transfer brush
Step 5: Secondary transfer
The toner image on the ITB is transferred to the paper. The DC positive bias is applied to the secondary transfer roller. As the paper passes between the secondary transfer roller and the ITB, the toner image is transferred to the paper.
Figure 1-12
Secondary transfer
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Step 6: Separation from the drum
The elasticity of the paper and the curvature of the ITB drive roller cause the paper to separate from the ITB.
Figure 1-13
Separation from the drum
Fusing stage
Until the fusing stage is complete, the image is not permanently affixed to the paper. The toner can be easily smudged until the heat and pressure of the fusing process fix the image to the sheet.
Step 7: Fusing
The product uses an on-demand fusing method to fix the toner image onto the paper. The toner image is permanently affixed to the paper by the heat and pressure.
Figure 1-14
Fusing
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Drum cleaning stage
Not all of the toner is removed from the photosensitive drum during the transfer stage. During the cleaning stage, the residual, or waste, toner is cleared from the drum surface to prepare the surface for the next latent-image formation.
Step 8: Drum cleaning
The cleaning blade scrapes the residual toner off the surface of the photosensitive drum and deposits it in the waste-toner container. The drum is now clear, and is ready for the next image-formation process.
Figure 1-15
Drum cleaning
ITB cleaning mechanism
The ITB cleaning mechanism cleans the ITB surface.
Negative or positive bias is applied to the T1 pad, ITB cleaning brush, T2 roller and ITB cleaning roller to reverse transfer the residual toner on the ITB to the photosensitive drum. The reverse transferred residual toner is deposited in the toner collection box in the imaging drum.
Figure 1-16
ITB cleaning mechanism
The residual toner on the T2 roller, ITB cleaning brush and ITB cleaning roller is also deposited in the toner collection box during the ITB cleaning operation.
The DC controller executes the ITB cleaning during the following periods:
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Wait period after a jam occurrence
● Wait period after the home position detection of T2 roller or ITB cleaner
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Last rotation period after a misprint occurrence
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Pickup, feed, and delivery system
The paper feed system picks up, feeds, and delivers the page.
Figure 1-17
Pickup, feed, and delivery system block diagram
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Photo sensors and switches
NOTE:
The illustration in this section also shows the product photo sensors and switches. The power switch is not shown.
Figure 1-18
Photo sensors and switches
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Table 1-2 Photo sensors and switches
Item Description
SR1
SR2
SR3
SR4
SR6
SW1
SW501
Media-width sensor
Delivery sensor
Loop sensor
Fuser pressure release sensor
Top-of-Page (TOP) sensor
Rear door open detection switch
Interlock switch
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Main-input tray
Jam detection
The product uses the following sensors to detect the presence of paper and to check for jams. The page must pass each sensor within a specified time.
NOTE:
To find the following components, see Photo sensors and switches on page 21 .
●
PS701; fuser delivery sensor
● PS751; TOP sensor
NOTE:
The product automatically ejects paper if the TOP sensor detects residual paper within the product when the power is turned on or the door is closed.
The product detects the following jams:
● Pickup stationary jam
● Delivery delay jam
● Delivery stationary jam
● Fuser wrapping jam
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Door open jam
● Residual media jam
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Scanner system
The flatbed image scanner captures an electronic image of the document on the glass. The scanner does this by illuminating the document with LEDs (red, green, and blue) and capturing the image in the image sensor to create an electronic format of the document. The flatbed scanner consists of three main elements
●
CIS scanner. The CIS (contact image sensor) scanner captures an image using the product's optical path.
Red, green, and blue LEDs sequentially illuminate a small strip of the document (often called a raster line), and the optical system captures each color in a single row of CCD sensors that cover the entire page width. Because only one color is captured for each line per exposure, the three colors are recombined electronically to create the full color image. For monochromatic scans or copies, all three
LEDs are illuminated to create a white light for the scan so the raster line can be captured in one exposure.
● Mechanical carriage drive. The carriage drive moves the CIS scan head along the document length to create the image. In this product, a small DC motor with an optical encoder creates this motion. The speed of the carriage drive is proportional to the scan resolution (300 ppi is much faster than 1200 ppi) and also proportional to the type of scan (color scans are three-times slower than monochromatic scans). A 1200 ppi color scan moves so slowly that the product may appear to not be working, whereas a monochromatic copy scan moves at 50 times that speed and will be a little noisy.
●
Image processing system (formatter). The formatter processes the scanner data into either a copy or a scan to the computer. For copies, the image data is sent directly to the product without being transmitted to the computer. Depending on user selections for the copy settings, the formatter enhances the scanner data significantly before sending it to the product. Image data is captured at 300 ppi for copies and is user selectable for scans to the computer. Each pixel is represented by 8 bits for each of the three colors (256 levels for each color), for a total of 24 bits per pixel (24-bit color).
Electrical system
Scanner power-on sequence of events
When the product is turned on, it performs the following tests:
●
Wall find. The scan carriage moves slowly to the left while watching an encoder on the carriage motor to determine when the carriage has found the left side wall or stop. This enables the product to identify the document origin (position of the original). If the document origin cannot be located, a default position is used instead.
● Home find. The scan carriage uses the optical scanner to find physical reference features that relate to the document origin at the left side of the image glass. This process ensures accurate location of the first document pixels so that the user documents will have an accurate placement of the image on scans and copies. If the reference feature is not found, it uses a default value.
●
Calibration. This test, also known as scanner color calibration, enables the product to identify the black and white on every pixel in the CIS. Calibration occurs in two major processes: a broad (analog) adjustment of all pixels to bring them into the target output range, and a pixel-by-pixel adjustment
(digital) to fine tune the actual black and white response. The calibration process occurs under the left side of flatbed image scanner where there is a special white calibration label.
Calibration is the most important step in creating a high quality image. Calibration problems can include color inaccuracies, brightness inaccuracies, and vertical streaks through the image. The calibration process identifies any bad pixels and enables the image formatter to recreate the lost information from adjacent pixels. Extreme cases of this problem can appear as large vertical streaks or image smears.
Turn the product on or perform a color calibration to force a scanner calibration. Scanner calibration occurs with each of these events.
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Copy or scan-to-computer sequence of events
To create an accurate rendition of a document, the scanner must be calibrated for the requested operation. If the user selects a scan at 600 ppi color, the flatbed image scanner calibrates for that specific operational mode. Subsequently, the flatbed image scanner automatically re-calibrates for the next requested operation. Calibration does not occur for every new copy request.
Normal sequence of operation for a flatbed copy or scan includes:
1.
LEDs illuminate.
2.
Carriage motion begins moving the CIS scanner toward the right.
3.
Image capture continues for the entire page or length requested in a scan-to-computer operation.
4.
Carriage returns to the home position on the left.
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Document feeder functions and operation
The following sections describe how the document feeder functions.
Document feeder operation
Standby (paper-loading) mode: In standby mode, the stopper will be lowered to prevent the user from inserting the original document too far. When a document is inserted correctly, the CIS will detect its presence by the Flag_document status.
The standard operation of the document feeder consists of the pick and feed steps.
Pick: When it receives a copy or scan command, the SSA motor engages the gear train to release the stopper.
The first roller, called the pre-pick roller, moves the top few sheets forward into the document feeder. The next roller is the pickup roller. This roller contacts the document feeder separation pad, which separates multiple pages into single sheets.
Feed: The single sheet continues through the path. Along the way, the TOF sensor, which is a set distance from the document feeder glass, detects the sheet. This alerts the scanner to start when the page reaches the glass. The scanner acquires the image, one raster line at a time, until it detects the end of the page. The page is then ejected. The pick and feed steps are repeated as long as no paper is detected by the TOF sensor.
The document feeder will not function when the document feeder cover is open. The paper path is incomplete if the document feeder cover is lifted from the glass.
Document feeder paper path and document feeder sensors
Figure 1-19
Document feeder paper path and document feeder sensors
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Table 1-3 Document feeder sensors
Item Description
TOF/BOF sensor
Flag_document part
The CIS will detect the presence of the paper from the flag_document (callout 2) status. The document feeder has one sensor that detects paper. If paper is in the document feeder, the TOF sensor (callout 1) detects the top and bottom edges of the document. The TOF sensor detects media moving through the document feeder. If a jam is detected, the document feeder immediately stops the paper from feeding and a jam message is displayed on the control-panel display.
Document feeder functions and operation 25
Document feeder jam detection
The document feeder has one sensor that detects paper. The TOF sensor detects media moving through the document feeder. If a jam is detected, the document feeder immediately stops the paper feeding and a jam message appears on the control-panel display.
A jam can be detected under any of the following conditions:
● Document-feeder jam. When documents are detected in the document feeder input tray, and a command to copy, scan or fax is received, the scan module travels to the left side of the scan assembly and stops beneath the document feeder scanner glass. The document feeder then attempts three times, or for about ten seconds, to advance the paper to the TOF sensor. If the paper does not advance, the scan module travels back to the home position on the right side of the scanner assembly. The message Document feeder mispick. Reload. appears on the control-panel display.
●
Long-document jam. If the paper has advanced to trigger the TOF sensor, but the trailing edge is not detected within the time allowed for a 381 mm (15 in) document (the maximum allowable page length for the document feeder), the scanner returns to the home position on the right side of the scanner assembly. The message Doc feeder jam. Clear, Reload. appears on the control-panel display.
● Stall jam. When a page that is less than 381 mm (15 in) long has advanced to the TOF sensor but has not left it within the expected time, the paper has probably stalled or jammed. The scanner returns to the home position on the right side of the scanner assembly. The message Doc feeder jam. Clear,
Reload. appears on the control-panel display.
●
Other. If the paper stops in the document feeder and the scan module remains under the document feeder scanner glass, an internal firmware error has probably occurred. This is usually remedied by cycling the power.
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Fax functions and operation
The following sections describe the product fax capabilities.
Computer and network security features
The product can send and receive fax data over telephone lines that conform to public switch telephone network (PSTN) standards. The secure fax protocols make it impossible for computer viruses to be transferred from the telephone line to a computer or network.
The following product features prevent virus transmission:
●
No direct connection exists between the fax line and any devices that are connected to the USB or
Ethernet ports.
● The internal firmware cannot be modified through the fax connection.
●
All fax communications go through the fax subsystem, which does not use Internet data-exchange protocols.
PSTN operation
The PSTN operates through a central office (CO) that generates a constant voltage on the TIP and RING wires
(48 V, usually). A device goes on-hook by connecting impedance (such as 600 ohms for the U.S.) across the
TIP and RING so that a line current can flow. The CO can detect this current and can send impulses like dial tones. The product generates more signaling tones, such as dialing digits, to tell the CO how to connect the call. The product can also detect tones, such as a busy tone from the CO, that tell it how to behave.
When the call is connected, the CO behaves like a piece of wire connecting the sender and receiver. This is the period during which all of the fax signaling and data transfer occurs. When a call is completed, the circuit opens again and the line-current flow ceases, removing the CO connection from both the sender and the receiver.
On most phone systems, the TIP and RING wires appear on pins 3 and 4 of the RJ-11 modular jack (the one on the fax card). These two wires do not have to be polarized because all the equipment works with either TIP or
RING on pin 3 and the other wire on pin 4. This means that cables of either polarity can interconnect and will still work.
These basic functions of PSTN operation are assumed in the design of the fax subsystem. The product generates and detects the signaling tones, currents, and data signals that are required to transmit and receive faxes on the PSTN.
The fax subsystem
The formatter, fax card, firmware, and software all contribute to the fax functionality. The designs of the formatter and fax card, along with parameters in the firmware, determine the majority of the regulatory requirements for telephony on the product.
The fax subsystem is designed to support V.34 fax transmission, lower speeds (such as V.17 fax), and older fax machines.
Fax card in the fax subsystem
Three versions of the fax card are used in the product. One for Asia Pacific Countries/Regions and the United
States, one for Europe, and one for Brazil. Each version is compliant with the 2/4-wire phone jack system from the respective country/region.
ENWW Fax functions and operation 27
The fax card contains the modem chipset (DSP and CODEC) that controls the basic fax functions of tone generation and detection, along with channel control for fax transmissions. The CODEC and its associated circuitry act as the third-generation silicon data access arrangement (DAA) to comply with worldwide regulatory requirements.
Safety isolation
The most important function of the fax card is the safety isolation between the high-voltage, transient-prone environment of the telephone network (TNV [telephone network voltage]) and the low-voltage analog and digital circuitry of the formatter (SELV [secondary extra-low voltage]). This safety isolation provides both customer safety and product reliability in the telecom environment.
Any signals that cross the isolation barrier do so magnetically. The breakdown voltage rating of barriercritical components is greater than 5 kV.
Safety-protection circuitry
In addition to the safety barrier, the fax card protects against over-voltage and over-current events.
Telephone over-voltage events can be either differential mode or common mode. The event can be transient in nature (a lightning-induced surge or ESD) or continuous (a power line crossed with a phone line). The fax card protection circuitry provides margin against combinations of over-voltage and over-current events.
Common mode protection is provided by the selection of high-voltage-barrier critical components
(transformer and relay). The safety barrier of the fax card PCB traces and the clearance between the fax card and surrounding components also contribute to common mode protection.
A voltage suppressor (a crowbar-type SIDACTOR) provides differential protection. This product becomes low impedance at approximately 300 V differential, and crowbars to a low voltage. A series thermal switch works in conjunction with the crowbar for continuous telephone line events, such as crossed power lines.
All communications cross the isolation barrier magnetically. The breakdown voltage rating of barrier-critical components is greater than 5 kV.
Data path
TIP and RING are the two-wire paths for all signals from the telephone network. All signaling and data information comes across them, including fax tones and fax data.
The telephone network uses DC current to determine the hook state of the telephone, so line current must be present during a call. The silicon DAA provides a DC holding circuit to keep the line current constant during a fax call.
The silicon DAA converts the analog signal to a digital signal for DSP processing, and also converts the digital signal to an analog signal for transmitting data through a telephone line.
The magnetically coupled signals that cross the isolation barrier go either through a transformer or a relay.
The DSP in the fax card communicates with the ASIC in the formatter using the high-speed serial interface.
Hook state
Another magnetically coupled signal is the control signal that disconnects the downstream telephone devices (such as a phone or answering machine). A control signal originating on the DSP can change the relay state, causing the auxiliary jack (downstream jack) to be disconnected from the telephone circuit.
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The product takes control of calls that it recognizes as fax calls. If the product does not directly pick up the call, it monitors incoming calls for the fax tone or for the user to direct it to receive a fax. This idle mode is also called eavesdropping. This mode is active when the product is on-hook but current exists in the downstream phone line because another device is off-hook. During eavesdropping, the receive circuit is enabled but has a different gain from the current that is generated during normal fax transmissions.
The product does not take control of the line unless it detects a fax tone or the user causes it to connect manually. This feature allows the user to make voice calls from a phone that is connected to the product without being cut off if a fax is not being received.
Downstream device detection
The line voltage monitoring module of the silicon DAA can detect the line state as well as the downstream device. It tells DSP via DIB that an active device (telephone, modem, or answering machine) is connected to the auxiliary port on the product (the right side of the RJ-11 jack). The DSP uses the signal to ensure that the product does not go off-hook (and disconnect a downstream call) until it has been authorized to do so (by a manual fax start or the detection of the appropriate tones).
Hook switch control
In the silicon DAA the CODEC controls the hook switch directly. The CODEC is activated when it receives commands from the DSP. When the circuit is drawing DC current from the central office it is considered offhook. When no DC current flows the state is considered on-hook.
Ring detect
Ring detect is performed by the line voltage monitoring module of the silicon DAA, and is a combination of voltage levels and cadence (time on and time off). Both must be present to detect a valid ring. The CODEC works with DSP as well as the firmware to determine if an incoming signal is an answerable ring.
Line current control
The DC current from the CO needs to have a path to flow from TIP to RING. The DC impedance emulation line modulator and DC terminations modules in the silicon DAA act as a DC holding circuit, and works with the firmware to achieve the voltage-current characteristic between TIP and RING. The impedance (the currentvoltage characteristic) changes corresponding to certain special events, such as pulse dialing or when the product goes on-hook.
Billing- (metering-) tone filters
Switzerland and Germany provide high-frequency AC signals on the phone line in order to bill customers.
A filter in a special fax cable (for certain countries/regions), can filter these signals. Because these billing signals are not used in the U.S., these filters are not present in the U.S. fax cable.
To obtain a special fax cable, contact the local telephone service provider.
Fax page storage in flash memory
Fax pages are the electronic images of the document page. They can be created in any of three ways: scanned to be sent to another fax machine, generated to be sent by the computer, or received from a fax machine to be printed.
The product stores all fax pages in flash memory automatically. After these pages are written into flash memory, they are stored until the pages are sent to another fax machine, printed on the product, transmitted to the computer, or erased by the user.
ENWW Fax functions and operation 29
These pages are stored in flash memory, which is the nonvolatile memory that can be repeatedly read from, written to, and erased. The product has 8 MB of flash memory, of which 7.5 MB is available for fax storage.
The remaining 0.5 MB is used for the file system and reclamation. Adding RAM does not affect the fax page storage because the product does not use RAM for storing fax pages.
Stored fax pages
The user can reprint stored fax receive pages in case of errors. For a fax send, the product will resend the fax in case of errors. The product will resend stored fax pages after a busy signal, communication error, no answer, or power failure. Other fax devices store fax pages in either normal RAM or short-term RAM. Normal
RAM immediately loses its data when power is lost, while short-term RAM loses its data about 60 minutes after power failure. Flash memory maintains its data for years without any applied power.
Advantages of flash memory storage
Fax pages that are stored in flash memory are persistent. They are not lost as a result of a power failure, no matter how long the power is off. Users can reprint faxes in case the toner cartridge runs out of toner or the product experiences other errors while printing faxes.
The product also has scan-ahead functionality that makes use of flash memory. Scan-ahead automatically scans pages into flash memory before a fax job is sent. This allows the sender to pick up the original document immediately after it is scanned, eliminating the need to wait until the fax is transmission is complete.
Because fax pages are stored in flash memory rather than RAM, more RAM is available to handle larger and more complicated copy and print jobs.
30 Chapter 1 Theory of operation ENWW
2 Solve problems
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ENWW 31
Solve problems checklist
Follow these steps when trying to solve a problem with the product.
●
Step 1: Test print functionality
●
Step 2: Test copy functionality
Step 1: Test print functionality
1.
Print a configuration report from the product control panel.
LCD control panel a.
On the product control panel, press the Setup button.
b.
Open the following menus:
●
Setup
●
Reports c.
Select the Config Report item, and then press the OK button to print the page.
Touchscreen control panel a.
From the Home screen on the product control panel, touch the Setup button.
b.
Touch the Reports menu.
c.
Touch the Config Report button.
d.
Touch the OK button to print the report.
2.
If the report does not print, check the following:
● Make sure that paper is in the tray.
● Check the control panel for paper jam messages. If the control panel indicates a jam, clear the jam.
● Make sure that the print cartridge is not empty.
● Clean the paper pick roller and the separation pad.
● Replace the paper pick roller or the separation pad.
Step 2: Test copy functionality
1.
M177 model only: Place the configuration page into the document feeder, adjust the paper guides, and then make a copy. If paper does not feed through the document feeder smoothly, replace the document feeder pick up arm assembly. If this does not improve the issue, replace the document feeder core assembly.
2.
Place the configuration page onto the scanner glass, and then make a copy.
3.
If the print quality on the copied pages is not acceptable, clean the scanner glass.
32 Chapter 2 Solve problems ENWW
Menu map
Use the following procedures to print a control-panel menu layout map.
LCD control panel
1.
On the product control panel, press the Home button.
2.
Open the following menus:
●
Setup
●
Reports
3.
Select the Menu Structure item, and then press the OK button to print the page.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Touch the Reports menu.
3.
Touch the Menu Structure button.
4.
Touch the OK button to print the report.
ENWW Menu map 33
Troubleshooting processes
Determine the problem source
The following table includes basic questions to ask the customer to quickly help define the problem or problems.
Table 2-1 Determine the problem source
General topic Questions
Environment
Paper
Input tray
Supplies
Transfer roller
Covers
Condensation
Miscellaneous
● Is the product installed on a solid, level surface (± 1°)?
●
Is the power-supply voltage within ± 10 volts of the specified power source?
● Is the power-supply plug inserted in the product and the outlet?
●
Is the operating environment within the specified parameters?
● Is the product exposed to ammonia gas, such as that produced by diazo copiers or office cleaning materials?
NOTE:
Diazo copiers produce ammonia gas as part of the coping processes.
Ammonia gas (from cleaning supplies or a diazo copier) can have an adverse affect on some product components (for example, the imaging drum).
● Is the product exposed to direct sunlight?
● Does the customer use only supported paper?
● Is the paper in good condition (no curls, folds, or distortion)?
● Is the paper stored correctly and within environmental limits?
●
Is the amount of paper in the tray within specifications?
● Is the paper correctly placed in the tray?
● Are the paper guides aligned with the stack?
● Are the toner cartridges and the imaging-drum installed correctly and firmly seated?
● Has the sealing tape been removed from each toner cartridge?
● Are the toner cartridges and imaging drum within their estimated life? (Check the supplies status page.)
● Is the transfer roller installed correctly?
● Are the top, front, and rear doors firmly closed?
● Does condensation occur following a temperature change (particularly in winter following cold storage)? If so, wipe affected parts dry or leave the product on for
90 to 120 minutes.
● Was a toner cartridge opened soon after being moved from a cold to a warm room?
If so, allow the toner cartridge to sit at room temperature for 1 to 2 hours.
● Check for and remove any non-HP components (for example, a toner cartridge or imaging drum) from the product.
● Remove the product from the network and make sure that the failure is with the product before beginning troubleshooting.
34 Chapter 2 Solve problems ENWW
Power subsystem
Power-on checks
Turn on the power. If the control-panel LEDs do not illuminate, perform the power-on checks to find the cause of the problem.
1.
Verify that the product is plugged into an active electrical outlet that delivers the correct voltage.
2.
Verify that the power button is in the on position.
3.
Make sure that the product makes the expected start up sounds.
NOTE:
The over-current/over-voltage protection circuit in the low-voltage power supply unit might be functioning. Turn the product off, unplug the power cord, and turn the product on. If the product does not function, the fuse melts, or the power supply is malfunctioning, replace the engine controller unit.
See the Repair Manual.
ENWW Troubleshooting processes 35
Tools for troubleshooting
Component diagnostics
Engine-test page
The product has an engine-test page in the firmware that is printed by opening and closing the scanner assembly, top door, front door, and rear door in a specific pattern. Use A4 or letter-size paper to print the engine-test page.
1.
Make sure that paper is correctly loaded in the tray.
2.
Turn off the product.
3.
Lift the scanner assembly, and then open the top cover, the front door, and the rear door.
4.
Turn the product on. Within 10 seconds of turning the product on, close the front door, rear door, top cover, and scanner assembly to start the internal engine-test.
If the engine test is successful, an engine-test page prints. The engine-test page has a test pattern of horizontal lines.
LCD control-panel tests
The product includes diagnostic tests for the LCD control panel.
Test the LCD control-panel display
Use this test to verify that all of the LEDs and characters on the LCD display function correctly.
1.
Press the Setup button.
2.
Press the left arrow button and the OK button at the same time. The 2ndary service menu is displayed.
3.
Open the Display test menu.
When this test is selected, the LEDs will first be turned on one at a time. Press OK to continue with the next LED. After each LED has been tested, the character display test will begin by testing the pixels on each line. The last portion of the test begins by displaying each of the 255 characters 16 characters at a time.
4.
Press OK to see the next 16 characters, or press the Cancel button to discontinue the test.
Test the LCD control-panel buttons
Use this test to verify that all of the buttons on the LCD control panel function correctly.
1.
Press the Setup button.
2.
Press the left arrow button and the OK button at the same time. The 2ndary service menu is displayed.
3.
Open the Button test menu.
4.
Press the indicated button to continue to the next step in the test.
36 Chapter 2 Solve problems ENWW
Touchscreen control-panel tests
The product includes diagnostic tests for the touchscreen control panel.
Test the touchscreen control-panel LEDs
Use this test to verify that all of the LEDs on the touchscreen control panel function correctly.
1.
Press the Setup button.
2.
Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3.
Open the LED test menu.
4.
Press OK to continue to the next LED.
Test the touchscreen control-panel display
Use this test to verify the touchscreen control-panel display. The screen will show each of the following colors in sequence: white, black, red, green, and blue.
1.
Press the Setup button.
2.
Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3.
Open the Display test menu.
4.
Press OK to continue to the next color.
Test the touchscreen control-panel buttons
Use this test to verify that all of the buttons on the touchscreen control panel function correctly.
1.
Press the Setup button.
2.
Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3.
Open the Button test menu.
4.
Press the indicated button to continue to the next step in the test.
ENWW Tools for troubleshooting 37
Diagrams
Plug/jack locations
Figure 2-1
Plug/jack locations
4
1
2
3
6
5
Table 2-2 Plug/jack locations
3
4
5
6
1
2
Hi-Speed USB 2.0
Ethernet port
Power connection
Slot for cable-type security lock
Fax "line in" port for attaching the fax phone line to the product
Telephone "line out" port for attaching an extension phone, answering machine, or other devices
38 Chapter 2 Solve problems ENWW
Locations of connectors
Figure 2-2
Locations of connectors
J103
J130
J128
J107
J106
J119
J109
J104
J110
Table 2-3 Engine control unit PCA connectors
Item Description Item
J101 Not used J107
J102
J103
Not used
Formatter
J108
J109
Description
Media width sensor (SR1)
Delivery sensor (SR2)
Low-voltage power supply
TOP sensor (SR6)
Memory tag
Scanner motor (M5)
Power switch PCA
Carousel home sensor
(SR7)
Item
J119
J128
J130
J108
J152
J102 J101
J140
Description
Fuser pressure release sensor (SR4)
Rear door open detection switch (SW1)
ITB
J112
ENWW Tools for troubleshooting 39
Table 2-3 Engine control unit PCA connectors (continued)
Item Description Item Description
J104
J106
Scanner assembly (laser drive PCA)
Loop sensor (SR3)
J110
J112
Carousel motor (M1)
Fuser motor (M2)
Pickup motor (M3)
T2 roller and ITB cleaner solenoid (SL1)
Item
J140
J152
Description
Low-voltage power supply
Not used
40 Chapter 2 Solve problems ENWW
Locations of major components
Figure 2-3
Cross section view
1 2 3 4 5
19
18
17
16
M
Y
C
K
6 7 8
5
6
7
8
9
10
1
2
3
4
15
Table 2-4 Cross section view
14
Item Description
13
Pressure roller
Delivery roller
Fuser film assembly
Density ITB TOP sensor
Toner cartridges
Photosensitive drum
Imaging drum cartridge
Laser/scanner assembly
Input tray
T1 brush
12 11
Item
15
16
17
18
19
11
12
13
14
10
Description
ITB
Pickup roller
Separation pad
Feed roller
T2 roller
ITB drive roller
ITB cleaning brush
ITB cleaning roller
Fuser
9
ENWW Tools for troubleshooting 41
Figure 2-4
External covers and doors (base)
8
7
3
6
1
2
3
4
Table 2-5 External covers and doors (base)
Item Description
Upper cover assembly
Right cover
Extension tray assembly
Left cover
Item
5
6
7
8
Description
Power receptacle
Rear cover assembly
Dust cover
Cartridge door
4
5
1
2
42 Chapter 2 Solve problems ENWW
General timing chart
Figure 2-5
General timing diagram
ENWW Tools for troubleshooting 43
General circuit diagram
Figure 2-6
General circuit diagram
Laser Drive PCA
J801
11
M5
M
J802
1 2 3 4
M4
M
J704
8 7 6 5 4 3 2 1
1 2
J705
3 4 5 6 7 8
J705D
8 7 6 5 4 3 2 1
SR7
1
J607
2 3
M1
M
1
J701
2 3 4
M2
M
1
J702
2 3 4
M3
M
1
J703
2 3 4
SL1
SL
2 1
1 2
1
2 1
2
11
J104
1 2 3 4 5 6 7 8 9 10
J130
1 2
J128
17 16 15 14 13 12 11 10 9
J109
8 7 6 5 4 3 2 1 8 7
J110
6 5 4 3 2 1 6 5
J112
4 3 2 1
J98
14
1 2
J94
3 4
J96
22
Density ITB_TOP
9 8 7 6 5 4 3 2 1
J611
Sensor
TH801
1 2
SR1 SR2
SR3
J601
1 2 3
2 1
1 2
2 1
J118
SR5
J99
14
Formatter
3 2
J95
1
22
J97
J3
13
J7
28
J5
28
2
J6
1
MT98
1 2
J4
3 2
J106
1
2
TP
1
TSH1B
2
TP
1
TSH1A
6 5
J107
4 3 2 1 7 6
J119
5 4 3 2 1 6 5 4
J101A
3 2 1 5 4 3
J102A
2 1
J108
1 2 3 4 5 6 7 8 9
J103
13
10 1211 1413 1615
2 1
J152
1 2
J140
FU LIVE(BK)
FU NEUTRAL(BK)
FU LIVE(W)
FU NEUTRAL(W)
3 2 1
J606
SR6
SL2
SL
SOLD2
SOLD1
COR1
NEUTRAL1 (BL)
LIVE1 (BR)
13 12 11 10 9
J203
8 7 6 5 4 3 2 1
Low-voltage
Power Supply PCA
2 1
J205
1 2
J204
1 2
J207
44 Chapter 2 Solve problems ENWW
Internal print-quality test pages
Clean the paper path
LCD control panel
1.
From the product control panel, press the Setup button.
2.
Open the Service menu.
3.
Select the Cleaning mode option.
4.
Press the OK button to begin the cleaning process.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Touch the Service menu.
3.
Touch the Cleaning Page button.
4.
Load plain letter or A4 paper when prompted.
5.
Touch the OK button to begin the cleaning process.
The product prints the first side and then displays a prompt to remove the page from the output bin and reload it in Tray 1, keeping the same orientation. Wait until the process is complete. Discard the page that prints.
Print Configuration page
LCD control panel
1.
From the product control panel, press the Setup button.
2.
Touch the Reports menu.
3.
Touch the Configuration Report button, and then touch the OK button to print the page.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Touch the Reports menu.
3.
Touch the Configuration Report button, and then touch the OK button to print the page.
ENWW Tools for troubleshooting 45
Print-quality troubleshooting tools
Repetitive image defects ruler
If the product output has a consistent, repetitive defect, then use the table in this section to determine which part needs to be cleaned or replaced based on the measured distance between the repetitions of the defect.
NOTE:
Spots can be dark or white (dropouts); bands can be all shapes and sizes.
Table 2-6 Repetitive image defects ruler
Component
Developing roller
Primary charging roller
RS roller
Fuser film
Pressure roller
Secondary transfer roller
Distance between defects (mm)
About 22
About 26
About 29
About 47
About 58
About 63
Type of defects
Dropouts
Dark, sharp bands
Dropouts
Dropouts
Dropouts
Dirt on the back of page
Dropouts
Dirt on page
Loose toner
Dirt on page
Dirt on the back of page
1
ITB drive roller
About 76
About 95
Loose toner
Spots
Dropouts
Dirt on page
The primary charging roller, photosensitive drum, and developing drum cannot be cleaned. If these rollers cause a repetitive defect, replace the corresponding cartridge, either the imaging-drum cartridge or the developing cartridge.
46 Chapter 2 Solve problems ENWW
Calibrate the product
If the printed output has colored shadows, blurry graphics, or areas that have poor color, the product might need to be calibrated to align the colors. Print the diagnostics page from the Reports menu on the control panel to check the color alignment. If the blocks of color on that page are not aligned with each other, calibrate the product.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Open the following menus:
●
System Setup
●
Print Quality
●
Calibrate Color
3.
Select the Calibrate Now option, and then press the OK button.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Open the following menus:
●
System Setup
● Print Quality
●
Color Calibration
3.
Select the Calibrate now option, and then press the OK button.
ENWW Tools for troubleshooting 47
Control panel menus
Touchscreen control panel
Setup menu
To open this menu, press the Setup button. The following sub-menus are available:
● HP Web Services
● Reports
●
Self Diagnostics
● Fax Setup
●
System Setup
● Service
●
Network Setup
HP Web Services menu
NOTE:
This menu is also available by touching the Web Services icon on the Home screen.
Table 2-7 HP Web Services menu (touchscreen control panel)
Menu item
Enable Web Services
Description
If no wired or wireless network connection is available or if Web Services is disabled, use
Enable Web Services to set up Web Services on the product.
Display E-mail Address
Print Information Sheet
Turn ePrint On/Off
Turn Apps On/Off
Remove Web Services
Proxy Settings
NOTE:
The product must be connected to a network to enable HP Web Services.
If Web Services is enabled, this option displays the product ePrint email address.
If Web Services is enabled, this option prints the HP ePrint mobile printing report. Use this report to setup ePrint in ePrint Center.
If Web Services is enabled, use this option to turn the ePrint function on or off.
If Web Services is enabled, use this option to turn apps on or off.
If Web Services is enabled, use this option to disable Web Services and remove the ePrint address.
The Proxy Settings sub-menu includes the following:
● Proxy Server
● Proxy Port
● User Name
● Password
48 Chapter 2 Solve problems ENWW
Reports menu
Table 2-8 Reports menu (touchscreen control panel)
Menu item
Demo Page
Menu Structure
Configuration
Supplies Status
Description
Prints a page that demonstrates print quality.
Prints a control panel menu layout map.
Prints a list of the product settings.
Prints the toner cartridge status and includes the following information:
● Approximate pages remaining
●
Supply level
● Serial number
Usage Page
Print Quality Report
● Pages printed with this supply
● First install date
● Last used date
Displays the number of pages printed by the product.
Prints a page that helps solve problems with print quality.
Self Diagnostics menu
Table 2-9 Self Diagnostics menu (touchscreen control panel)
Menu item Description
Run Network Test
Run Fax Test
The network test provides information on the following:
●
Diagnostics summary
● Troubleshooting
● Configuration summary
Tests the product fax capabilities.
Fax Setup menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-10 Fax Setup menu (touchscreen control panel)
Menu item Sub-menu item Sub-menu item
Fax Set-Up Utility
Basic Setup Time/Date
Description
Configures the fax settings. Follow the on-screen prompts and select the appropriate response for each question.
Sets the time and date setting for the product.
Fax Header
12 Hour
24 Hour
Sets the identifying information that is sent to the receiving product.
ENWW Tools for troubleshooting 49
Table 2-10 Fax Setup menu (touchscreen control panel) (continued)
Menu item Sub-menu item Sub-menu item
Answer Mode Automatic *
Manual
TAM
Fax/Tel
Distinctive Ring
Dial prefix
All Rings *
Single
Double
Triple
Double and Triple
Description
Sets the type of answer mode. The following options are available:
● Automatic : The product automatically answers an incoming call on the configured number of rings.
● Manual : The user must touch the Start Fax button or use an extension phone number to make the product answer the incoming call.
● TAM : A telephone answering machine (TAM) is attached to the Auxiliary phone port of the product. The product will not pick up any incoming call, but will listen for fax tones after the answering machine has picked up the call.
● Fax/Tel : The product must automatically pick up the call and determine if the call is a voice or fax call. If the call is a fax call, the product handles the call as usual. If the call is a voice call, an audible synthesized ring is generated to alert the user of an incoming voice call.
If you use distinctive ring phone service, use this item to configure how the product responds to incoming calls.
● All Rings : The product answers any calls that come through the telephone line.
● Single : The product answers any calls that produce a single-ring pattern.
●
Double : The product answers any calls that produce a double-ring pattern.
● Triple : The product answers any calls that produce a triple-ring pattern.
●
Double and Triple : The product answers any calls that produce a double-ring or triple-ring pattern.
Specifies a prefix number that must be dialed when sending faxes from the product.
Advanced setup Fax Resolution
Lighter/Darker
Fit to Page
On
Off *
Standard
Fine
Superfine
Photo
On *
Off
Sets the resolution for sent documents. Higher resolution images have more dots per inch (dpi), so they show more detail. Lower resolution images have fewer dots per inch and show less detail, but the file size is smaller and the fax takes less time to transmit.
Sets the darkness for outgoing faxes.
Shrinks incoming faxes that are larger than the paper size set for the tray.
50 Chapter 2 Solve problems ENWW
ENWW
Table 2-10 Fax Setup menu (touchscreen control panel) (continued)
Menu item Sub-menu item Sub-menu item
Glass Size Letter *
A4
Dialing Mode
Description
Sets the default paper size for documents being scanned from the flatbed scanner.
NOTE:
The default setting is determined by the choice of location during the initial product setup.
Sets whether the product should use tone or pulse dialing.
Redial if Busy
Redial if No Answer
Redial if Comm. Error
Detect Dial Tone
Extension Phone
Stamp Faxes
Private Receive
Allow Fax Reprint
Fax/Tel Ring Time
On *
Off
Off
On
Off *
On *
Off
On *
Off
On *
Off
Tone *
Pulse
On *
On
Off *
On
Print faxes
Off *
Sets whether the product should attempt to redial if the line is busy.
Sets whether the product should attempt to redial if the recipient fax number does not answer.
Sets whether the product should attempt to redial the recipient fax number if a communication error occurs.
Sets whether the product should check for a dial tone before sending a fax.
When this feature is enabled, the 1-2-3 buttons on the extension phone may be pressed to cause the product to answer an incoming fax call.
Sets the product to print the date, time, sender's phone number, and page number on each page of incoming faxes.
Setting Private Receive to On requires a product password. After setting the password, the following options are set:
● Private Receive is turned on.
●
All old faxes are deleted from memory.
● Fax forwarding is set to Off and is not allowed to be changed.
●
All incoming faxes are stored in memory.
Sets whether incoming faxes are stored in memory for reprinting later.
Fax Speed
Sets the time, in seconds, after which the product should stop sounding the Fax/Tel audible ring to notify the user of an incoming voice call. The default setting is 20 seconds.
Sets the allowed fax communication speed.
Fast(V.34) *
Medium(V.17)
Slow(V.29)
Tools for troubleshooting 51
System Setup menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-11 System Setup menu (touchscreen control panel)
Menu item Sub-menu item Sub-menu item
Language
Paper Setup
(Lists available controlpanel display languages.)
Paper Size Letter
Print Quality
Paper Type
Color Calibration
A4
Legal
(Lists available paper types.)
Calibrate now
Power-On Calibration
Energy Settings Sleep/Auto Off After
Description
Sets the language in which the control panel displays messages and product reports.
Sets the size for printing internal reports, faxes, or any print job that does not specify a size.
NOTE:
The default setting is determined by the choice of location during the initial product setup.
Sets the type for printing internal reports, faxes, or any print job that does not specify a type.
Performs a full calibration.
●
Calibrate Now : Performs an immediate calibration.
● Power-On Calibration : Specifies the length of time the product should wait after it is turned on before it calibrates.
Specifies the amount of idle time before the product enters sleep mode.
Supply Settings
Wake/Auto On Events
Auto Off/Manual On
After
Black Cartridge
5 Minutes
15 Minutes
30 Minutes
60 Minutes
Control Panel Touch
USB Job
LAN Job
Wireless Job
Fax
Never
2 Hours
4 Hours
8 Hours
Very Low Setting
Select the events that bring the product out of sleep mode.
Set the amount of elapsed time before the product turns itself off.
● Stop : The product stops printing until the toner cartridge is replaced.
●
Prompt : The product stops printing and displays a prompt to replace the toner cartridge. Acknowledge the prompt to continue printing.
● Continue * The product displays an alert that the toner cartridge is very low, but it continues printing.
52 Chapter 2 Solve problems ENWW
ENWW
Table 2-11 System Setup menu (touchscreen control panel) (continued)
Menu item Sub-menu item Sub-menu item Description
Color Copy
Color Cartridge
Image Drum
Store Usage Data
Low Threshold
Very Low Setting
Low Threshold
Very Low Setting
Low Threshold
Not on Supplies *
On Supplies
Enter a percentage for the low threshold setting.
●
Stop : The product stops printing until the toner cartridge is replaced.
● Prompt : The product stops printing and displays a prompt to replace the toner cartridge. Acknowledge the prompt to continue printing.
●
Continue * The product displays an alert that the toner cartridge is very low, but it continues printing.
● Print Black : When a color toner cartridge becomes very low, the product prints in black only to prevent fax interruptions. When the very low toner cartridge is replaced, color printing resumes automatically.
Set a low threshold percentage setting for the colors cartridges.
●
Stop : The product stops printing until the imaging drum is replaced.
● Prompt : The product stops printing and displays a prompt to replace the imaging drum. Acknowledge the prompt to continue printing.
●
Continue * The product displays an alert that the imaging drum is very low, but it continues printing.
Enter a percentage for the low threshold setting.
Select where to store the product's usage data, either on the supplies or not on the supplies.
Enable or disable the product color copying feature.
Volume Settings
Time/Date
On *
Off
Alarm Volume
Ring Volume
Key-Press Volume
Phone Line Volume
12 Hour
24 Hour
Set the volume levels for the product. The following options are available for each volume setting:
● Off
● Soft *
● Medium
●
Loud
Sets the time and date setting for the product.
Tools for troubleshooting 53
Service menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-12 Service menu (touchscreen control panel)
Menu item Sub-menu item
Fax Service Clear Saved Faxes
Run Fax Test
Cleaning Page
USB Speed
Less Paper Curl
Archive Print
HP Smart Install
Restore Defaults
Signature Check
Print T.30 Trace
Error Correction
Fax Service Log
High *
Full
Cancel if Invalid
Prompt if Invalid
Description
Clears all faxes in memory.
Performs a fax test to verify that the phone cord is plugged in the correct outlet and that there is a signal on the phone line. A fax test report is printed indicating the results.
Prints or schedules a report that is used to troubleshoot fax transmission issues. Schedule options include the following:
● Now
● Never *
● If Error
●
At End of Call
The error correction mode allows the sending device to retransmit data if it detects an error signal.
The fax service log prints out the last 40 entries in the fax log.
Cleans the product when specks or other marks appear on printed output. The cleaning process removes dust and excess toner from the paper path.
When selected, the product displays a prompt to load plain Letter or A4 paper in Tray 1. Touch the OK button to begin the cleaning process. Wait until the process completes. Discard the page that prints.
Sets the USB speed for the USB connection to the computer. For the product to actually operate at high speed, it must have high speed enabled and be connected to an EHCI host controller that is also operating at high speed. This menu item does not reflect the current operating speed of the product.
When printed pages are consistently curled, this option sets the product to a mode that reduces curl.
When printing pages that will be stored for a long time, this option sets the product to a mode that reduces toner smearing and dusting.
Enables or disables the HP Smart Install feature on the product.
Sets all settings to the factory default values.
Validates HP firmware downloads.
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Network Setup menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-13 Network Setup menu (touchscreen control panel)
Menu item Sub-menu item Description
Wireless Menu
TCP/IP Config
Network Services
Wireless Direct Settings
Wireless Setup Wizard
Wi-Fi Protected Setup
Run Network Test
Turn Wireless On/Off
Automatic *
Manual
Manage the product's wireless direct settings.
Guides you through the steps to set up the product on a wireless network.
If your wireless router supports this feature, use this method to set up the product on a wireless network. This is the simplest method.
Tests the wireless network and prints a report with the results.
Enables or disables the wireless network feature.
Automatic : The product automatically configures all the TCP/IP settings via DHCP, BootP or AutoIP.
Manual : Manually configure the IP address, subnet mask, and default gateway. The control panel displays a prompt to specify values for each address section. As each address is completed, the product prompts for address confirmation before moving to the next one. After all three addresses are set, the network reinitializes.
Enable or disable the IPv4 and IPv6 protocols. By default, each protocol is enabled.
Link Speed
Restore Defaults
IPv4
IPv6
Automatic *
10T Full
10T Half
100TX Full
100TX Half
Sets the link speed manually if needed.
After setting the link speed, the product automatically restarts.
Resets all network configurations to their factory defaults.
Fax Menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-14 Fax Menu (touchscreen control panel)
Menu item Sub-menu item Sub-menu item
Fax Reports Fax Confirmation On Every Fax
On Send Fax Only
On Receive Fax Only
Never *
Description
Sets whether the product prints a confirmation report after a successful fax job.
ENWW Tools for troubleshooting 55
Send Options
Table 2-14 Fax Menu (touchscreen control panel) (continued)
Menu item Sub-menu item Sub-menu item
Include First Page On *
Receive Options
Fax Error Report
Print Last Call Report
Fax Activity Log
Reprint Faxes
Off
On Every Error *
On Send Error
On Receive Error
Never
On *
Off
Print Log Now
Auto Log Print
Print Phone Book
Print Junk Fax List
Print All Fax Reports
Send Fax Later
Broadcast Fax
Fax Job Status
Fax Resolution
Block Junk Faxes
Print Private Faxes
Send Fax time
Send Fax date
Standard
Fine *
Superfine
Photo
Add Number
Delete Number
Delete All Numbers
Print Junk Fax List
Description
Sets whether the product includes a thumbnail image of the first page of the fax on the report.
Sets whether the product prints a report after a failed fax job.
Prints a detailed report of the last fax operation, either sent or received.
Print Log Now : Prints a list of the faxes that have been sent from or received by this product.
Auto Log Print : Automatically prints a report after every fax job.
Prints a list of the speed dials that have been set up for this product.
Prints a list of phone numbers that are blocked from sending faxes to this product.
Prints all fax-related reports.
Allows a fax to be sent at a later time and date.
Sends a fax to multiple recipients.
Displays pending fax jobs, and allows pending fax jobs to be cancelled.
Sets the resolution for sent documents. Higher resolution images have more dots per inch (dpi), so they show more detail. Lower resolution images have fewer dots per inch and show less detail, but the file size is smaller.
Modifies the junk fax list. The junk fax list can contain up to 30 numbers. When the product receives a call from one of the junk fax numbers, it deletes the incoming fax. It also logs the junk fax in the activity log along with job accounting information.
Prints stored faxes when the private-receive feature is turned on. The product displays a prompt for the system password.
Prints the received faxes stored in available memory. This item is available only if the Allow Fax
Reprint feature is turned on in the Fax Setup menu.
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Table 2-14 Fax Menu (touchscreen control panel) (continued)
Menu item Sub-menu item Sub-menu item
Forward Fax
Polling Receive
On
Off *
Phone Book Setup
Change Defaults
Individual Setup
Delete Entry
Delete All Entries
Print Report Now
Fax Setup Utility
Description
Sets product to send all received faxes to another fax machine.
Allows the product to call another fax machine that has polling send enabled.
Edits the fax phone book speed dial entries.
Deletes a specific phone book entry.
Deletes all entries in the phone book.
Prints a list of all the individual dial entries in the phone book.
Copy Menu
To open this menu, touch the Copy button on the Home screen, and then touch the Settings button.
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-15 Copy Menu (touchscreen control panel)
Menu item Sub-menu item
Number of Copies
Reduce/Enlarge
Lighter/Darker
Optimize
Paper
Mixed *
Text
Picture
Letter
Legal
A4
Original=100% *
A4 to Letter=94%
Letter to A4=97%
Full Page=91%
Fit to Page
2 Pages per Sheet
4 Pages per Sheet
Custom: 25 to 400%
Draft
Description
Specifies the number of copies.
Specifies the size of the copy.
Specifies the contrast of the copy.
Specifies the type of content in the original document, so the copy is the best match for the original.
Specifies the paper size.
NOTE:
The default paper size setting is determined by the choice of location during the initial product setup.
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Table 2-15 Copy Menu (touchscreen control panel) (continued)
Menu item Sub-menu item Description
Collation Specifies whether to collate copy jobs.
Image Adjustment
Set as New Defaults
Restore Defaults
On
Off *
Lightness
Contrast
Sharpen
Background Removal
Color Balance
Adjusts the image quality settings for copies.
Saves any changes made to this menu as the new defaults.
Restores the factory defaults for this menu.
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LCD control panel
Setup menu
To open this menu, press the Setup button. The following sub-menus are available:
●
HP Web Services
●
Copy Setup
●
ID Copy
●
Reports
●
Self Diagnostics
●
System Setup
●
Service
●
Network Setup
HP Web Services menu
Table 2-16 HP Web Services menu (LCD control panel)
Menu item Description
Display E-mail Address
Info Sheet ePrint On/Off
Remove Services
If Web Services is enabled, this option displays the product ePrint email address.
If Web Services is enabled, this option prints the HP ePrint mobile printing report. Use this report to setup ePrint in ePrint Center.
If Web Services is enabled, use this option to turn the ePrint function on or off.
If Web Services is enabled, use this option to disable Web Services and remove the ePrint address.
Copy Setup menu
To open this menu, press the Copy Menu button on the product control panel. To scroll between the menu items, press the Copy Menu button again.
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-17 Copy Setup menu (LCD control panel)
Menu item Sub-menu item
Optimize
Light/Dark
Collation
Draft
Mixed*
Text
Picture
On
Off*
Description
Specifies the type of content in the original document, so the copy is the best match for the original.
Specifies the contrast of the copy.
Specifies whether to collate copy jobs.
ENWW Tools for troubleshooting 59
Table 2-17 Copy Setup menu (LCD control panel) (continued)
Menu item Sub-menu item Description
Image Adjustment
Adjusts the image quality settings for copies.
Number of Copies
Reduce/Enlrg
Set as Defaults
Restore Defaults
Lightness
Contrast
Sharpen
Background Removal
Color Balance
Original=100%*
A4 to Letter=94%
Letter to A4=97%
Full Page=91%
2 Pages per Sheet
4 Pages per Sheet
Custom: 25 to 400%
Specifies the number of copies.
Specifies the size of the copy.
Saves any changes made to this menu as the new defaults.
Restores the factory defaults for this menu.
ID Copy menu
Copies both sides of identification cards, or other small-size documents, onto the same side of one sheet of paper.
Table 2-18 ID Copy menu (LCD control panel)
Menu item
Color
Black & White
Description
Sets the color mode as the default for ID copies.
Sets the black and white mode as the default for ID copies.
Reports menu
Table 2-19 Reports menu (LCD control panel)
First level Description
Demo Page
Menu Structure
Config Report
Prints a page that demonstrates print quality.
Prints a control-panel menu layout map.
Prints a list of the product settings.
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Table 2-19 Reports menu (LCD control panel) (continued)
First level Description
Supplies Status
Usage Report
Print Quality Report
Prints the toner cartridge status. Includes the following information:
●
Approximate pages remaining
● Supply level
● Serial number
● Number of pages printed
●
First install date
● Last used date
Displays the number of pages printed, copied, and scanned by the product.
Prints a page that helps solve problems with print quality.
Self Diagnostics menu
Table 2-20 Self Diagnostics menu (LCD control panel)
Menu item Description
Run Network Test
Run Fax Test
The network test provides information on the following:
● Diagnostics summary
● Troubleshooting
● Configuration summary
Tests the product fax capabilities.
System Setup menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-21 System Setup menu (LCD control panel)
Menu item Sub-menu item Sub-menu item
Language
Paper setup
(Lists available control-panel display languages.)
Def. paper size Letter
Def. paper type
A4
Legal
(Lists available paper types.)
Sub-menu item Description
Sets the language in which the control panel displays messages and product reports.
Sets the default paper size for printing internal reports or any print job that does not specify a size.
Sets the default paper type for printing internal reports or any print job that does not specify a type.
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Table 2-21 System Setup menu (LCD control panel) (continued)
Menu item
Print Quality
Sub-menu item
Calibrate Color
Sub-menu item
Calibrate Now
After Power On
Sub-menu item Description
Performs a full calibration.
● Calibrate Now: Performs an immediate calibration.
● After Power On: Specifies the length of time the product should wait after it is turned on before it calibrates.
Specifies the amount of idle time before the product enters sleep mode.
Energy Settings
Volume Settings
Sleep/Auto Off after
Wake/Auto On
Events
Auto Off/Manual
On after
Alarm volume
Key-press volume
5 Minutes
15 Minutes
30 Minutes
60 Minutes
Button Press
USB Job
LAN Job
Wireless Job
Never
2 Hours
4 Hours
8 Hours
Select the events that bring the product out of sleep mode.
Set the amount of elapsed time before the product turns itself off.
Time/Date
Supply Settings Black Cartridge Very Low Setting
●
Stop
●
Prompt
● Continue*
Low Threshold
Set the volume levels for the product. The following options are available for each volume setting:
●
Off
● Soft*
●
Medium
●
Loud
Sets the time and date setting for the product.
● Stop: The product stops printing until the toner cartridge is replaced.
● Prompt: The product stops printing and displays a prompt to replace the toner cartridge. Acknowledge the prompt to continue printing.
● Continue*: The product displays an alert that the toner cartridge is very low, but it continues printing.
Enter a percentage for the low threshold setting.
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Table 2-21 System Setup menu (LCD control panel) (continued)
Menu item
Color Copy
Sub-menu item
Color Cartridge
Image Drum
Store Usage Data
On
Off
Sub-menu item
Very Low Setting
Sub-menu item
●
Stop
●
Prompt
● Continue*
Low Threshold
Very Low Setting
●
Stop
●
Prompt
● Continue*
Low Threshold
Not on Supplies*
On Supplies
Description
● Stop: The product stops printing until the toner cartridge is replaced.
●
Prompt: The product stops printing and displays a prompt to replace the toner cartridge. Acknowledge the prompt to continue printing.
● Continue*: The product displays an alert that the toner cartridge is very low, but it continues printing.
● Print Black: When a color toner cartridge becomes very low, the product prints in black only. When the very low toner cartridge is replaced, color printing resumes automatically.
Set a low threshold percentage setting for the colors cartridges.
● Stop: The product stops printing until the imaging drum the replaced.
●
Prompt: The product stops printing and displays a prompt to replace the imaging drum. Acknowledge the prompt to continue printing.
● Continue*: The product displays an alert that the imaging drum is very low, but it continues printing.
Enter a percentage for the low threshold setting.
Select where to store the product's usage data, either on the supplies or not on the supplies.
Enable or disable the product color copying feature.
Tools for troubleshooting 63
Service menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-22 Service menu (LCD control panel)
Menu item Sub-menu item
Restore Defaults
Cleaning mode
Less paper curl
USB speed
On*
Off
High*
Full
Description
Sets all settings to the factory default values.
Cleans the product when specks or other marks appear on printed output. The cleaning process removes dust and excess toner from the paper path.
When selected, the product displays a prompt to load plain Letter or A4 paper in Tray 1. Press the OK button to begin the cleaning process. Wait until the process completes. Discard the page that prints.
When printed pages are consistently curled, this option sets the product to a mode that reduces curl.
Archive Print
Smart Install
Signature Check
Off*
On
On*
Off
Cancel if Invalid
Prompt if Invalid
Sets the USB speed for the USB connection to the computer. For the product to actually operate at high speed, it must have high speed enabled and be connected to an EHCI host controller that is also operating at high speed. This menu item does not reflect the current operating speed of the product.
When printing pages that will be stored for a long time, this option sets the product to a mode that reduces toner smearing and dusting.
Enable or disable the HP Smart Install feature on the product.
Validates HP firmware downloads.
Network Setup menu
In the following table, items that have an asterisk (*) indicate the factory default setting.
Table 2-23 Network Setup menu (LCD control panel)
Menu item Sub-menu item Sub-menu item
Wireless Menu Wireless Direct
Wireless Radio
Network Test
WPS Setup
Description
Manage the product's wireless direct settings.
Enables or disables the wireless radio feature.
Tests the wireless network and prints a report with the results.
Choose the method of connecting to the router, either push button or PIN.
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Table 2-23 Network Setup menu (LCD control panel) (continued)
Menu item Sub-menu item Sub-menu item
TCP/IP config
Automatic*
Manual
Show IP address
Network services
Wired Menu
Restore Defaults
IPv4
IPv6
TCP/IP config
Link Speed
Automatic*
Manual
Automatic*
10T Full
10T Half
100TX Full
100TX Half
Description
Automatic: The product automatically configures all the TCP/IP settings via DHCP, BootP or AutoIP.
Manual: Manually configure the IP address, subnet mask, and default gateway. The control panel displays a prompt to specify values for each address section. As each address is completed, the product prompts for address confirmation before moving to the next one. After all three addresses are set, the network reinitializes.
Displays the product IP address.
Enable or disable the IPv4 and IPv6 protocols. By default, each protocol is enabled.
Automatic: The product automatically configures all the TCP/IP settings via DHCP, BootP or AutoIP.
Manual: Manually configure the IP address, subnet mask, and default gateway. The control panel displays a prompt to specify values for each address section. As each address is completed, the product prompts for address confirmation before moving to the next one. After all three addresses are set, the network reinitializes.
Sets the link speed manually if needed.
After setting the link speed, the product automatically restarts.
Resets all network configurations to their factory defaults.
Tools for troubleshooting 65
Interpret control-panel messages
Control-panel message types
Alert and warning messages appear temporarily and might require acknowledgement of the message by pressing the OK button to resume or by pressing the Cancel button to cancel the job. With certain warnings, the job might not complete or the print quality might be affected. If the alert or warning message is related to printing and the auto-continue feature is on, the product will attempt to resume the printing job after the warning has appeared for 10 seconds without acknowledgement.
Critical error messages can indicate some kind of failure. Turning off and then turning on the power might fix the problem. If a critical error persists, the product might require service.
Control-panel messages
Table 2-24 Control-panel messages
Control panel message
22 Scanner Error
50.X Fuser Error
Turn off then on
52 Scanner Error
Turn off then on
Description
The product has experienced an internal hardware error.
The product has experienced an internal hardware error.
The product has experienced a scanner error.
Recommended action
1.
Check all of the FFC connections.
2.
Verify that the scanner-carriage can move along the track in the scanner assembly, and that the scanner motor can rotate.
3.
If the error persists, replace the FFC cable.
4.
If the error persists, replace the scanner motor or the scanner carriage.
5.
If the error persists, replace the formatter.
1.
Turn off the power by using the power switch, and then wait at least 30 seconds.
2.
If a surge protector is being used, remove it. Plug the product directly into the wall socket.
3.
Turn on the power and wait for the product to initialize.
4.
If the error persists, replace the fuser.
Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the product to initialize.
If a surge protector is being used, remove it.
Plug the product directly into the wall socket.
Use the power switch to turn the product on.
If the error persists, replace the scanner assembly.
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Table 2-24 Control-panel messages (continued)
Control panel message Description
Comm. error
A fax communication error occurred between the product and the sender or receiver.
Device error
Press [OK]
Door open
Fax delayed
Send memory full
Fax is busy
Canceled send
The product experienced an internal communication error.
The toner-cartridge door is open.
Fax memory is full.
The receiving fax line was busy. The product has canceled sending the fax.
Recommended action
Allow the product to retry sending the fax.
Unplug the product telephone cord from the wall, plug in a telephone, and try making a call.
Plug the product phone cord into a jack for another phone line.
Try a different phone cord.
If the error persists, replace the fax PCA.
This is a warning message only. Job output might be affected.
Close the door.
Cancel the fax by pressing the Cancel button. Resend the fax. Resend the fax in multiple sections if the error occurs again.
Call the recipient to ensure that the fax machine is on and ready.
Check that the fax number is correct.
Check that the Redial if busy option is enabled.
Check for a dial tone on the phone line by pressing the Start Fax button on LCD control panels or by touching the Fax button on touchscreen control panels.
Make sure that the phone line is working by disconnecting the product, connecting a telephone to the phone line, and making a voice call.
Connect the product phone cord to a jack for another phone line, and then try sending the fax again.
Try a different phone cord.
If the error persists, replace the fax PCA.
ENWW Tools for troubleshooting 67
Table 2-24 Control-panel messages (continued)
Control panel message
Fax is busy
Redial pending
Fax memory full
Canceling recv.
Fax memory full
Canceling send
Description
The receiving fax line was busy. The product automatically redials the busy number.
During the fax transmission, the product ran out of memory. Only the pages that fit into memory will be printed.
During the fax job, the memory filled. All pages of the fax have to be in memory for a fax job to work correctly. Only the pages that fit into memory were sent.
Recommended action
Allow the product to retry sending the fax.
Call the recipient to ensure that the fax machine is on and ready.
Check that the fax number is correct.
Check for a dial tone on the phone line by pressing the Start Fax button on LCD control panels or by touching the Fax button on touchscreen control panels.
Make sure that the phone line is working by disconnecting the product, connecting a telephone to the phone line, and making a voice call.
Connect the product phone cord to a jack for another phone line, and then try sending the fax again.
Try a different phone cord.
If the error persists, replace the fax PCA.
Print all of the faxes, and then have the sender resend the fax. Have the sender divide the fax job into multiple jobs before resending. Cancel all fax jobs or clear the faxes from memory.
Print all received faxes or wait until all pending faxes are sent.
Ask the sender to send the fax again.
Cancel all fax jobs or clear the faxes from memory.
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Table 2-24 Control-panel messages (continued)
Control panel message Description
Fax recv. error
An error occurred while trying to receive a fax.
Fax Send error
An error occurred while trying to send a fax.
Recommended action
Ask the sender to resend the fax.
Try faxing back to the sender or another fax machine.
Check for a dial tone on the phone line by pressing the Start Fax button on LCD control panels or by touching the Fax button on touchscreen control panels.
Check that the telephone cord is securely connected by unplugging and replugging the cord.
Make sure to use the telephone cord that came with the product.
Make sure that the phone line is working by disconnecting the product, connecting a telephone to the phone line, and making a voice call.
Decrease the fax speed. Ask the sender to resend the fax.
Turn off error-correction mode. Ask the sender to resend the fax.
Connect the product to a different phone line.
If the error persists, replace the fax PCA.
Try resending the fax.
Try faxing to another fax number.
Check for a dial tone on the phone line by pressing the Start Fax button on LCD control panels or by touching the Fax button on touchscreen control panels.
Check that the telephone cord is securely connected by unplugging and replugging the cord.
Make sure to use the telephone cord that came with the product.
Make sure that the phone line is working by disconnecting the product, connecting a telephone to the phone line, and making a voice call.
Connect the product to a different phone line.
Set the fax resolution to Standard instead of the default of Fine.
If the error persists, replace the fax PCA.
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Table 2-24 Control-panel messages (continued)
Control panel message
Jam in <location>
Load paper <TYPE>, <SIZE>
Memory is low
Press [OK]
Misprint
Press [OK]
No dial tone
Description
The product has detected a jam in the location indicated in the message.
The tray is empty.
The product does not have enough memory to process the job.
The product has experienced an internal hardware error.
The product could not detect a dial tone.
Recommended action
Clear the jam from the area indicated in the message, and then follow the control-panel instructions. Clearing some jams requires the top cover to be opened and the toner cartridge to be removed.
Load the tray with the correct type and size of paper.
If the product is processing other jobs, send the job again after those jobs have finished.
If the problem continues, turn off the power by using the power switch, and then wait at least
30 seconds. Turn on the power and wait for the product to initialize.
Press the OK button to continue. Job output might be affected.
No document sent
The product did not scan any pages, or it did not receive any pages from the computer to transmit a fax.
Check for a dial tone on the phone line by pressing the Start Fax button on LCD control panels or by touching the Fax button on touchscreen control panels.
Disconnect the telephone cord from both the product and the wall and reconnect the cord.
Make sure to use the telephone cord that came with the product.
Disconnect the product telephone cord from the wall, connect a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is connected to the fax port.
Connect the product phone cord to a jack for another phone line.
If the error persists, replace the fax PCA.
Try sending the fax again.
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Table 2-24 Control-panel messages (continued)
Control panel message
No fax answer.
Canceled send
No fax answer.
Redial pending
No fax detected
Description
Attempts to redial a fax number failed, or the
Redial if no answer option was turned off.
Recommended action
Call the recipient to ensure that the fax machine is on and ready.
Check that the fax number is correct.
Check that the redial option is enabled.
Disconnect the telephone cord from both the product and the wall and reconnect the cord.
Disconnect the product telephone cord from the wall, connect a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is connected to the fax port.
The receiving fax line did not answer. The product attempts to redial after a few minutes.
Connect the product phone cord to a jack for another phone line.
If the error persists, replace the fax PCA.
Allow the product to retry sending the fax.
Call the recipient to ensure that the fax machine is on and ready.
Check that the fax number is correct.
If the product continues to redial, disconnect the product telephone cord from the wall, connect a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is connected to the fax port.
The product answered the incoming call but did not detect that a fax machine was calling.
Connect the product phone cord to a jack for another phone line.
Try a different phone cord.
If the error persists, replace the fax PCA.
Allow the product to retry receiving the fax.
Try a different phone cord.
Connect the product phone cord to a jack for another phone line.
If the error persists, replace the fax PCA.
ENWW Tools for troubleshooting 71
Table 2-24 Control-panel messages (continued)
Control panel message Description
Page too complex
Press [OK]
The product could not print the current page because of its complexity.
Settings cleared
or
Job settings cleared
The product has cleared job settings.
Recommended action
Press the OK button to clear the message.
Allow the product to finish the job, or press the
Cancel button to cancel the job.
Re-enter any appropriate job settings.
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Clear jams
When clearing jams, be careful not to tear jammed paper. If a small piece of paper remains in the product, it could cause additional jams.
Solve paper feed or jam problems
If the product has recurring problems with paper feeding or with jams, use the following information to reduce the number of occurrences.
The product does not pick up paper
If the product does not pick up paper from the tray, try these solutions.
1.
Open the product and remove any jammed sheets of paper.
2.
Load the tray with the correct size of paper for your job.
3.
Make sure the paper size and type are set correctly on the product control panel.
4.
Make sure the paper guides in the tray are adjusted correctly for the size of paper. Adjust the guides to the appropriate indentation in the tray.
5.
Check the product control panel to see if the product is waiting for you to acknowledge a prompt to feed the paper manually. Load paper, and continue.
6.
The rollers above the tray might be contaminated. Clean the rollers with a lint-free cloth dampened with warm water.
The product picks up multiple sheets of paper
If the product picks up multiple sheets of paper from the tray, try these solutions.
1.
Remove the stack of paper from the tray and flex it, rotate it 180 degrees, and flip it over. Do not fan
the paper. Return the stack of paper to the tray.
2.
Use only paper that meets HP specifications for this product.
3.
Use paper that is not wrinkled, folded, or damaged. If necessary, use paper from a different package.
4.
Make sure the tray is not overfilled. If it is, remove the entire stack of paper from the tray, straighten the stack, and then return some of the paper to the tray.
5.
Make sure the paper guides in the tray are adjusted correctly for the size of paper. Adjust the guides to the appropriate indentation in the tray.
6.
Make sure the printing environment is within recommended specifications.
Frequent or recurring paper jams
Follow these steps to solve problems with frequent paper jams. If the first step does not resolve the problem continue with the next step until you have resolved the problem.
1.
If paper has jammed in the product, clear the jam and then print a configuration page to test the product.
2.
Check that the tray is configured for the correct paper size and type on the product control panel. Adjust paper settings if necessary.
ENWW Clear jams 73
3.
Turn the product off, wait 30 seconds, and then turn it on again.
4.
Print a cleaning page to remove excess toner from inside the product.
a.
From the Home screen on the product control panel, touch the Setup button.
b.
Touch the Service menu.
c.
Touch the Cleaning Page button.
d.
Load plain letter or A4 paper when you are prompted.
e.
Touch the OK button to begin the cleaning process.
The product prints the first side and then prompts you to remove the page from the output bin and reload it in Tray 1, keeping the same orientation. Wait until the process is complete. Discard the page that prints.
5.
Print a configuration page to test the product.
a.
From the Home screen on the product control panel, touch the Setup button.
b.
Touch the Reports menu.
c.
Touch the Configuration Report button.
If none of these steps resolves the problem, the product might need service. Contact HP customer support.
Prevent paper jams
To reduce the number of paper jams, try these solutions.
1.
Use only paper that meets HP specifications for this product.
2.
Use paper that is not wrinkled, folded, or damaged. If necessary, use paper from a different package.
3.
Use paper that has not previously been printed or copied on.
4.
Make sure the tray is not overfilled. If it is, remove the entire stack of paper from the tray, straighten the stack, and then return some of the paper to the tray.
5.
Make sure the paper guides in the tray are adjusted correctly for the size of paper. Adjust the guides so they are touching the paper stack without bending it.
6.
Make sure that the tray is fully inserted in the product.
7.
If you are printing on heavy, embossed, or perforated paper, use the manual feed feature and feed sheets one at a time.
8.
Verify that the tray is configured correctly for the paper type and size.
9.
Make sure the printing environment is within recommended specifications.
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Clear jams from the input tray
A Jam in print paper path. Open door and clear jam. message displays on the product control panel.
1.
Remove the dust cover from the tray.
2.
Remove the stack of paper from the input tray.
3.
Remove any jammed paper visible in the input tray area. Use both hands to remove jammed paper to avoid tearing the paper.
ENWW Clear jams 75
4.
Lift the scanner assembly.
5.
Open the top cover.
6.
Removed any jammed paper.
76 Chapter 2 Solve problems ENWW
7.
Close the top cover.
8.
Lower the scanner assembly.
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9.
Reload paper in the input tray. Make sure that the paper fits under the tabs and below the maximum-height indicators.
10.
Reinstall the dust cover on the tray.
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Clear jams in the output bin
A Jam in output bin message displays on the product control panel.
1.
If paper is visible in the output bin, grasp the leading edge with both hands and slowly remove it.
2.
Open the rear door to check for jammed paper.
ENWW Clear jams 79
3.
Remove any jammed paper. Use both hands to pull out the paper to avoid tearing.
4.
Close the rear door.
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Clear jams in the document feeder
A Jam in the document feeder message displays on the product control panel.
1.
If paper is visible in the document feeder, grasp the leading edge with both hands and slowly remove it.
2.
Lift the document feeder input tray.
3.
Lift the jam-access cover.
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4.
Remove any jammed paper. Use both hands to pull out the paper to avoid tearing.
5.
Close the jam-access cover.
6.
Close the document-feeder input tray.
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Solve paper-handling problems
The following problems with paper cause print-quality deviations, jamming, or damage to the product.
Table 2-25 Solve paper-handling problems
Problem
Poor print quality or toner adhesion
Dropouts, jamming, or curl
Excessive curl
Jamming, damage to product
Problems with feeding
Print is skewed (crooked)
More than one sheet feeds at one time
The product does not pull paper from the input tray
Cause
The paper is too moist, too rough, too heavy or too smooth, is embossed, or from a faulty paper lot.
The paper has been stored incorrectly.
The paper has variability from one side to the other.
The paper is too moist, has the wrong grain direction, or is of short-grain construction.
The paper varies from side-to-side.
The paper has cutouts or perforations.
The paper has ragged edges.
The paper varies from side-to-side.
The paper is too moist, too rough, too heavy or too smooth, has the wrong grain direction, is of short-grain construction, or it is embossed, or from a faulty paper lot.
The paper guides might be incorrectly adjusted.
The paper tray might be overloaded.
The paper might be wrinkled, folded, or damaged.
The product might be in manual-feed mode.
The pickup roller might be dirty or damaged.
The paper-length adjustment control in the input tray is set at a length that is greater than the paper size.
Solution
Try another kind of paper, between 100 and 250 Sheffield, with 4% to 6% moisture content.
Store paper flat in its moisture-proof wrapping.
Turn the paper over.
Use long-grain paper.
Turn the paper over.
Use paper that is free of cutouts or perforations.
Use high-quality paper that is made for laser printers.
Turn the paper over.
Try another kind of paper, between 100 and 250 Sheffield, 4% to 6% moisture content.
Use long-grain paper.
Remove all paper from the input tray, straighten the stack, and then load the paper in the input tray again. Adjust the paper guides to match the width and length of the paper and try printing again.
Remove some of the paper from the tray.
Verify that the paper is not wrinkled, folded, or damaged. Try printing on paper from a new or different package.
At the computer, follow the on-screen instructions to deactivate manual-feed mode. Or, at the product, open and close the print-cartridge door.
Replace the pickup roller. See the product
Repair Guide.
Set the paper-length adjustment control to the correct length.
ENWW Solve paper-handling problems 83
Solve image-quality problems
Prevent most print-quality problems by following these guidelines.
●
Use paper that meets HP specifications.
● Clean the product as necessary.
General print-quality issues
The following examples depict letter-size paper that has passed through the product short-edge-first. These examples illustrate problems that would affect all of the pages printed. The topics that follow list the typical cause and solution for each of these examples.
Table 2-26 General print-quality issues
Problem Cause
Print is light or faded.
The paper might not meet HP specifications.
The toner cartridge might be defective or low.
If you use a non-HP toner cartridge, no messages appear on the product control panel.
If the whole page is light, the print density adjustment is too light or EconoMode might be turned on.
Solution
Use paper that meets HP specifications.
Replace the toner cartridge.
If the toner cartridge is not low or empty, inspect the toner roller to see if the roller is damaged. If it is, replace the toner cartridge.
Adjust the print density, and disable
EconoMode in the print driver.
Toner specks appear.
The paper might not meet HP specifications.
The paper path might need cleaning.
Use paper that meets HP specifications.
Clean the paper path.
Dropouts appear.
A single sheet of paper might be defective.
The moisture content of the paper is uneven or the paper has moist spots on its surface.
Try reprinting the job.
Try different paper, such as high-quality paper that is intended for laser printers.
The paper lot is flawed. The manufacturing processes can cause some areas to reject toner.
The toner cartridge might be defective or low. Replace the toner cartridge.
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Table 2-26 General print-quality issues (continued)
Problem Cause
Vertical streaks or bands appear on the page.
The toner cartridge might be defective.
A
A
A
A
A a a a a a
B
B
B
B
B b b b b b C c c c c
C
C
C
C c
The amount of background toner shading becomes unacceptable.
Solution
Replace the toner cartridge.
The paper might not meet HP specifications.
The print-density setting is too high.
Use a different paper with a lighter basis weight.
Decrease the print-density setting. This decreases the amount of background shading.
Very dry (low humidity) conditions can increase the amount of background shading.
Check the product environment.
The toner cartridge might be defective or low. Replace the toner cartridge.
Toner smears appear on the paper.
The paper might not meet HP specifications.
If toner smears appear on the leading edge of the paper, the paper guides are dirty, or debris has accumulated in the print path.
The toner cartridge might be defective.
The fuser temperature might be too low.
Use paper that meets HP specifications.
Clean the paper guides and the paper path.
Replace the toner cartridge.
In the print driver, make sure the appropriate paper type is selected.
The toner smears easily when touched.
The product is not set to print on the type of paper on which you want to print.
The paper might not meet HP specifications.
The paper path might need cleaning.
The power source might be defective.
The fuser temperature might be too low.
In the print driver, select the Paper/Quality tab and set Paper Type to match the type of paper on which you are printing. Print speed might be slower if you are using heavy paper.
Use paper that meets HP specifications.
Clean the paper path.
Plug the product directly into an AC outlet instead of into a power strip.
In the print driver, make sure the appropriate paper type is selected.
Solve image-quality problems 85
Table 2-26 General print-quality issues (continued)
Problem
Marks repeatedly appear at even intervals on the page.
The printed page contains misformed characters.
Cause
The product is not set to print on the type of paper on which you want to print.
Internal parts might have toner on them.
The paper path might need cleaning.
A component might be damaged.
The paper might not meet HP specifications.
If characters are incorrectly formed so that they produce a wavy effect, the laser/scanner might need service.
Solution
In the print driver, select the Paper/Quality tab and set Paper Type to match the type of paper on which you are printing. Print speed might be slower if you are using heavy paper.
The problem typically corrects itself after a few more pages.
Clean the paper path.
Use the repetitive defect ruler table to determine the problem. See
Repetitive image defects ruler on page 46
.
Use a different paper, such as high-quality paper that is intended for laser printers.
Replace the laser/scanner. See the Repair
Guide.
The printed page is curled or wavy.
The product is not set to print on the type of paper on which you want to print.
The paper might have been in the input tray too long.
The paper might not meet HP specifications.
In the print driver, select the Paper/Quality tab and set Paper Type to match the type of paper on which you are printing. Print speed might be slower if you are using heavy paper.
If the problem persists, select a paper type that uses a lower fuser temperature, such as transparencies or light paper.
Turn over the stack of paper in the tray. Also, try rotating the paper 180° in the input tray.
Use a different paper, such as high-quality paper that is intended for laser printers.
Check the product environment.
Both high temperature and humidity can cause paper curl.
The fuser temperature might be curling the paper.
Select a paper type that uses a lower fuser temperature, such as transparencies or light paper.
At the product control panel, turn on the Less paper curl setting in the Service menu.
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Table 2-26 General print-quality issues (continued)
Problem Cause
Text or graphics are skewed on the printed page.
The paper might be loaded incorrectly or the input tray might be too full.
The paper might not meet HP specifications.
Solution
Verify that the paper is loaded correctly and that the paper guides are not too tight or too loose against the stack.
Use a different paper, such as high-quality paper that is intended for laser printers.
The printed page contains wrinkles or creases.
Toner appears around the printed characters.
The paper might be loaded incorrectly or the input tray might be too full.
There might be a jam in the paper path.
The paper might not meet HP specifications.
Air pockets inside envelopes can cause them to wrinkle.
The paper might be loaded incorrectly.
If large amounts of toner have scattered around the characters, the paper might have high resistivity.
Turn over the stack of paper in the input tray, or try rotating the paper 180° in the input tray.
Verify that the paper is loaded correctly and that the paper guides are not too tight or too loose against the stack.
Clear any jams in the product.
Use a different paper, such as high-quality paper that is intended for laser printers.
Remove the envelope, flatten it, and try printing again.
Turn over the stack of paper in the tray.
Use a different paper, such as high-quality paper that is intended for laser printers.
An image that appears at the top of the page (in solid black) repeats farther down the page (in a gray field).
Software settings might affect image printing. In your software program, change the tone
(darkness) of the field in which the repeated image appears.
In your software program, rotate the whole page 180° to print the lighter image first.
The order of images printed might affect printing.
A power surge might have affected the product.
Change the order in which the images are printed. For example, have the lighter image at the top of the page, and the darker image farther down the page.
If the defect occurs later in a print job, turn the product off for 10 minutes, and then turn on the product to restart the print job.
Solve image-quality problems 87
Color image defects
Table 2-27 Color image defects
Problem
Print is light or faded in a particular color.
Cause
A poor contact exists in the developing bias contacts of the developing cartridge.
Image is too dark.
The density ITB TOP sensor is defective.
Solution
● If dirty, clean the contacts of the product and toner cartridge (reapply black conductive grease).
● Check the contacts for damage. Replace any deformed or damaged parts.
● Verify that black conductive grease is applied to the contact. If the contacts are not greased, apply grease to the contacts.
● Replace the toner cartridge.
● If the problem persists, replace the product.
Replace the ITB.
Page is blank.
The high-voltage power-supply is defective
(no developing bias output).
Replace the ECU.
The page is all black or a solid color. Poor contact exists in the primary charging bias of the imaging drum.
● Clean the contacts of both the imaging drum and the product.
● If the error persists, replace the imaging drum.
● If the error persists, replace the product.
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Table 2-27 Color image defects (continued)
Problem Cause
White spots appear in an image The static charge eliminator is dirty.
The T1 pad is deformed or has deteriorated.
The secondary transfer roller is deformed or has deteriorated.
Solution
Clean the static charge eliminator.
Replace the ITB.
Replace the secondary transfer roller.
The back of the page is dirty.
Vertical streaks or bands appear on the page.
The secondary transfer roller is dirty.
The fuser inlet guide or separation guide is dirty.
The pressure roller is dirty.
Replace the secondary transfer roller.
Clean the dirty parts. If the dirt does not come off, replace the fuser delivery assembly.
Run the cleaning page several times. If the dirt does not come off, replace the fuser delivery assembly.
Replace the imaging drum.
Scratches are present on the circumference of the photosensitive drum.
Scratches are present on the circumference of the fuser roller.
● Scratches are present on the circumference of the ITB.
●
The ITB drive roller is deformed or has deteriorated.
● The ITB cleaning mechanism is malfunctioning.
Replace the fuser delivery assembly.
Replace the ITB.
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Vertical white lines appear in a particular color.
The laser beam window is dirty.
Clean the window and remove any foreign substances.
Replace the toner cartridge for affected color.
Scratches are present on the circumference of the developing roller.
The laser/scanner-unit mirror is dirty.
Replace the product.
Vertical white lines appear in all colors.
Horizontal scratches on the fuser film.
Scratches are present on the circumference of the ITB.
Scratches are present on the circumference of the photosensitive drum.
No scratches are present on any of the components above.
Replace the fuser delivery assembly.
Replace the ITB.
Replace the imaging-drum-cartridge.
Replace the ITB.
Solve image-quality problems 89
Table 2-27 Color image defects (continued)
Problem Cause
Horizontal lines appear on the page. Repetitive horizontal lines appear.
Horizontal scratches are present on the fuser roller.
Solution
Use the repetitive defects ruler to identify the dirty roller. Clean the roller. If the roller cannot be cleaned, replace the corresponding assembly.
Replace the fuser delivery assembly.
A horizontal white line appears on the page.
Repetitive horizontal white lines appear.
Horizontal scratches are present on the ITB.
Use the repetitive defects ruler to identify the dirty roller. Clean the roller. If the roller cannot be cleaned, replace the corresponding assembly.
Replace the ITB.
Image in a particular color does not print in the correct color.
Poor contact exists in the developing bias contacts of the developing cartridge.
The developing cartridge (developing roller) is defective.
The high-voltage power-supply is defective
(no primary charging bias or developing bias output).
● Clean the contacts of the product and developing cartridge.
●
Verify that black conductive grease is applied to the contact. If the contacts are not greased, apply grease to the contacts.
● Replace the developing cartridge.
●
If the problem persists, replace the product.
Replace the developing cartridge of the color that matches the defect.
Replace the high-voltage power supply.
Dropouts appear.
The secondary transfer roller is deformed or has deteriorated.
The developing roller is deformed or has deteriorated.
The primary charging roller or photosensitive drum is deformed or has deteriorated.
The fuser film is deformed or has deteriorated.
The high-voltage power-supply is defective
(no transfer bias output).
Replace the secondary transfer roller.
Replace the developing cartridge of the color that matches the defect.
Replace the image drum cartridge.
Replace the fuser delivery assembly.
Replace the ECU.
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Table 2-27 Color image defects (continued)
Problem Cause
The toner is not fully fused to the paper.
The fuser film or pressure roller is scarred or deformed.
The fuser control circuit is defective.
The thermistor or fuser heater is defective.
Solution
Replace the fuser delivery assembly.
Replace the low-voltage power supply.
Replace the fuser delivery assembly.
Some color is misregistered.
The product is incorrectly calibrated.
The ITB unit is defective.
The ITB_TOP sensor is defective.
Calibrate the product.
Replace the ITB.
Toner smears appear on the media.
The product has residual paper.
Poor contact exists in the primary charging bias of the imaging-drum-cartridge.
The printed page contains misformed characters.
The fuser inlet guide is dirty.
The product is experiencing page skew.
The laser/scanner unit is defective.
Remove the residual paper.
● Clean the contacts of both the imagingdrum-cartridge and the product.
● If the error persists, replace the imaging-drum-cartridge.
Clean the fuser inlet guide.
Replace the pickup roller.
Replace the product.
Text or graphics are skewed on the printed page.
The pickup roller is deformed or deteriorated.
Replace the pickup roller.
Solve image-quality problems 91
Table 2-27 Color image defects (continued)
Problem
The printed page contains wrinkles or creases.
Cause
The roller or feed guide is dirty.
The feed roller is deformed or has deteriorated.
The paper feed guide is damaged.
Solution
Clean any dirty components.
Replace the corresponding components that include the roller or the product.
Replace the corresponding components that include the roller or the product.
The front of the page is dirty.
The photosensitive drum is dirty.
The fuser roller or pressure roller is dirty.
Replace the imaging-drum-cartridge.
Run the cleaning page several times. If the dirt does not come off, replace the fuser delivery assembly.
Repetitive horizontal lines.
A roller is dirty.
See repetitive image defect ruler. Clean the indicated roller. If the contaminate does not come off, replace appropriate roller or assembly.
Pages have flecks of toner.
The fuser roller or pressure roller is dirty.
Run the cleaning page several times. If the dirt does not come off, replace the fuser delivery assembly.
Pages have one or more skewed color planes (can appear on the right or left side of the page).
Remove, and then reinstall the imagingdrum-cartridge associated with the defect.
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Copy print-quality problems
Table 2-28 Copy print-quality problems
Problem
Images are missing or faded.
Vertical white or faded stripes appear on the copy.
Cause Solution
The toner cartridge might be defective or low. Replace the toner cartridge.
The original might be of poor quality.
If your original is too light or damaged, the copy might not be able to compensate, even if you adjust the contrast. If possible, find an original document in better condition.
The contrast settings might be set incorrectly. Use the control-panel to change the contrast setting.
The original might have a colored background. Colored backgrounds might cause images in the foreground to blend into the background, or the background might appear in a different shade. If possible, use an original document without a colored background.
The paper might not meet HP specifications.
Use paper that meets HP specifications.
The toner cartridge might be defective or low. Replace the toner cartridge.
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Unwanted lines appear on the copy.
The document feeder scanning strip might be dirty.
The photosensitive drum inside the toner cartridge might have been scratched.
Clean the document feeder scanning strip.
Replace the toner cartridge.
A
A
A
A
A a a a a a
B
B
B
B
B b b b b b C c c c c
C
C
C
C c
Clean the document feeder scanning strip.
Black dots or streaks appear on the copy.
Copies are too light or dark.
Ink, glue, correction fluid, or an unwanted substance might be on the document feeder.
The power to the product might have fluctuated.
The print driver or product software settings might be incorrect.
Reprint the job.
Text is unclear.
The print driver or product software settings might be incorrect.
Verify that the quality settings are correct.
See the product software Help for more information about changing the settings.
Verify that the quality settings are correct.
Verify that the EconoMode setting is off.
See the product software Help for more information about changing the settings.
Solve image-quality problems 93
Scan-quality problems
Prevent scan-quality problems
The following are a few simple steps you can take to improve copy and scan quality.
●
Use high-quality originals.
● Load the paper correctly. If the paper is loaded incorrectly, it might skew, which causes unclear images.
●
Adjust the software settings according to how you plan to use the scanned page.
● If your product frequently feeds more than one page at a time, the separation pad might need to be cleaned or replaced.
●
Use or make a carrier sheet to protect your originals.
Solve scan-quality problems
Table 2-29 Scan-quality problems
Problem
Blank pages
Too light or dark
Unwanted lines
Black dots or streaks
Unclear text
Cause
The original might have been loaded upside down.
Solution
In the document feeder, put the top end of the stack of originals into the document feeder, with the paper stack face-down and the first page to be scanned on the bottom of the stack.
Verify that you have the correct resolution and color settings.
The resolution and color levels might be set incorrectly.
The document-feeder glass might be dirty.
The power to the product might have fluctuated.
Clean the scanner strip.
Reprint the job.
The resolution levels might be set incorrectly. Verify that the resolution settings are correct.
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Clean the product
Print a cleaning page
LCD control panel
1.
From the product control panel, press the Setup button.
2.
Open the Service menu.
3.
Select the Cleaning mode option, and then press the OK button.
The product prints the first side and then displays a prompt to remove the page from the output bin and reload it in Tray 1, keeping the same orientation. Wait until the process is complete. Discard the page that prints.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Touch the Service menu.
3.
Touch the Cleaning Page button.
4.
Load plain letter or A4 paper when prompted.
5.
Touch the OK button to begin the cleaning process.
The product prints the first side and then displays a prompt to remove the page from the output bin and reload it in Tray 1, keeping the same orientation. Wait until the process is complete. Discard the page that prints.
Check the scanner glass for dirt and smudges
Over time, specks of debris might collect on the scanner glass and white plastic backing, which can affect performance. Use the following procedure to clean the scanner.
1.
Press the power button to turn the product off, and then disconnect the power cable from the electrical outlet.
2.
Open the scanner lid.
3.
Clean the scanner glass and the white plastic backing underneath the scanner lid with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner.
CAUTION:
Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the product; these can damage the product. Do not place liquids directly on the glass or platen. They might seep and damage the product.
4.
Dry the glass and white plastic parts with a chamois or a cellulose sponge to prevent spotting.
5.
Connect the power cable to an outlet, and then press the power button to turn the product on.
ENWW Clean the product 95
Clean the pickup rollers and separation pad in the document feeder
If the document feeder experiences paper-handling problems, such as jams or multiple-page feeds, clean the document-feeder rollers and separation pad.
1.
Lift the document-feeder input tray.
2.
Use a moist, lint-free cloth to wipe both pickup rollers and the separation pad to remove dirt.
CAUTION:
Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the product; these can damage the product. Do not place liquids directly on the glass or platen. They might seep and damage the product.
3.
Close the document-feeder input tray.
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Solve performance problems
Table 2-30 Solve performance problems
Problem Cause
Pages print, but are totally blank.
Pages print very slowly.
Pages did not print.
The sealing tape might still be in the print cartridges.
The document might contain blank pages.
The product might be malfunctioning.
Heavier paper types can slow the print job.
Complex pages can print slowly.
The product might not be pulling paper correctly.
The paper is jamming in the product.
The USB cable might be defective or incorrectly connected.
Other devices are running on your computer.
Solution
Verify that the sealing tape has been completely removed from the print cartridges.
Check the document that you are printing to see if content appears on all of the pages.
To check the product, print a Configuration page.
Print on a different type of paper.
Proper fusing might require a slower print speed to make sure that the best print quality is achieved.
Make sure paper is loaded in the tray correctly.
Clear the jam.
● Disconnect the USB cable at both ends and reconnect it.
●
Try printing a job that has printed in the past.
● Try using a different USB cable.
The product might not share a USB port. If you have an external hard drive or network switchbox that is connected to the same port as the product, the other device might be interfering. To connect and use the product, you must disconnect the other device or you must use two USB ports on the computer.
ENWW Solve performance problems 97
Solve connectivity problems
Solve direct-connect problems
If you have connected the product directly to a computer, check the USB cable.
●
Verify that the USB cable is connected to the computer and to the product.
● Verify that the USB cable is not longer than 2 m (6.5 ft). Replace the cable if necessary.
●
Verify that the USB cable is working correctly by connecting it to another product. Connect the cable to another port on the computer. Replace the cable if necessary.
Solve wired network problems
Check the following items to verify that the product is communicating with the network. Before beginning, print a configuration page from the product control panel and locate the product IP address that is listed on this page.
●
●
The computer is using the incorrect IP address for the product
●
The computer is unable to communicate with the product
●
The product is using incorrect link and duplex settings for the network
●
New software programs might be causing compatibility problems
●
The computer or workstation might be set up incorrectly
●
The product is disabled, or other network settings are incorrect
NOTE:
HP does not support peer-to-peer networking, as the feature is a function of Microsoft operating systems and not of the HP print drivers. For more information, go to Microsoft at www.microsoft.com
.
Poor physical connection
1.
Verify that the product is attached to the correct network port using a cable of the correct length.
2.
Verify that cable connections are secure.
3.
Look at the network port connection on the back of the product, and verify that the amber activity light and the green link-status light are lit.
4.
If the problem continues, try a different cable or port on the hub.
The computer is using the incorrect IP address for the product
1.
Open the printer properties and click the Ports tab. Verify that the current IP address for the product is selected. The product IP address is listed on the product configuration page.
2.
If you installed the product using the HP standard TCP/IP port, select the box labeled Always print to
this printer, even if its IP address changes.
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3.
If you installed the product using a Microsoft standard TCP/IP port, use the hostname instead of the IP address.
4.
If the IP address is correct, delete the product and then add it again.
The computer is unable to communicate with the product
1.
Test network communication by pinging the network.
a.
Open a command-line prompt on your computer. For Windows, click Start, click Run, type cmd, and then press Enter .
b.
Type ping followed by the IP address for your product.
For Mac OS X, open the Network Utility, and then supply the IP address in the correct field in the
Ping pane.
c.
If the window displays round-trip times, the network is working.
2.
If the ping command failed, verify that the network hubs are on, and then verify that the network settings, the product, and the computer are all configured for the same network.
The product is using incorrect link and duplex settings for the network
Hewlett-Packard recommends leaving these settings in automatic mode (the default setting). If you change these settings, you must also change them for your network.
New software programs might be causing compatibility problems
Verify that any new software programs are correctly installed and that they use the correct print driver.
The computer or workstation might be set up incorrectly
1.
Check the network drivers, print drivers, and the network redirection settings.
2.
Verify that the operating system is configured correctly.
The product is disabled, or other network settings are incorrect
1.
Review the configuration page to check the status of the network protocol. Enable it if necessary.
2.
Reconfigure the network settings if necessary.
Solve wireless network problems
●
Wireless connectivity checklist
●
The product does not print after the wireless configuration completes
●
The product does not print, and the computer has a third-party firewall installed
●
The wireless connection does not work after moving the wireless router or product
●
Cannot connect more computers to the wireless product
●
The wireless product loses communication when connected to a VPN
●
The network does not appear in the wireless networks list
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●
The wireless network is not functioning
●
Perform a wireless network diagnostic test
●
Reduce interference on a wireless network
Wireless connectivity checklist
● Verify that the network cable is not connected.
●
Verify that the product and the wireless router are turned on and have power. Also make sure that the wireless radio in the product is turned on.
● Verify that the service set identifier (SSID) is correct. Print a configuration page to determine the SSID. If you are not sure the SSID is correct, run the wireless setup again.
●
With secured networks, verify that the security information is correct. If the security information is incorrect, run the wireless setup again.
● If the wireless network is working correctly, try accessing other computers on the wireless network. If the network has Internet access, try connecting to the Internet over a wireless connection.
●
Verify that the encryption method (AES or TKIP) is the same for the product as it is for the wireless access point (on networks using WPA security).
● Verify that the product is within the range of the wireless network. For most networks, the product must be within 30 m (100 ft) of the wireless access point (wireless router).
●
Verify that obstacles do not block the wireless signal. Remove any large metal objects between the access point and the product. Make sure poles, walls, or support columns containing metal or concrete do not separate the product and wireless access point.
● Verify that the product is located away from electronic devices that might interfere with the wireless signal. Many devices can interfere with the wireless signal including motors, cordless phones, security system cameras, other wireless networks, and some Bluetooth devices.
●
Verify that the print driver is installed on the computer.
● Verify that you have selected the correct printer port.
●
Verify that the computer and product connect to the same wireless network.
● For Mac OS X, verify that the wireless router supports Bonjour.
The product does not print after the wireless configuration completes
1.
Make sure that the product is turned on and in the ready state.
2.
Turn off any third-party firewalls on your computer.
3.
Make sure that the wireless network is working correctly.
4.
Make sure that your computer is working correctly. If necessary, restart the computer.
5.
Verify that you can open the product HP Embedded Web Server from a computer on the network.
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The product does not print, and the computer has a third-party firewall installed
1.
Update the firewall with the most recent update available from the manufacturer.
2.
If programs request firewall access when you install the product or try to print, make sure you allow the programs to run.
3.
Temporarily turn off the firewall, and then install the wireless product on the computer. Enable the firewall when you have completed the wireless installation.
The wireless connection does not work after moving the wireless router or product
1.
Make sure that the router or product connects to the same network that your computer connects to.
2.
Print a configuration page.
3.
Compare the service set identifier (SSID) on the configuration page to the SSID in the printer configuration for the computer.
4.
If the numbers are not the same, the devices are not connecting to the same network. Reconfigure the wireless setup for the product.
Cannot connect more computers to the wireless product
1.
Make sure that the other computers are within the wireless range and that no obstacles block the signal. For most networks, the wireless range is within 30 m (100 ft) of the wireless access point.
2.
Make sure that the product is turned on and in the ready state.
3.
Turn off any third-party firewalls on your computer.
4.
Make sure that the wireless network is working correctly.
5.
Make sure that your computer is working correctly. If necessary, restart the computer.
The wireless product loses communication when connected to a VPN
● Typically, you cannot connect to a VPN and other networks at the same time.
The network does not appear in the wireless networks list
●
Make sure the wireless router is turned on and has power.
● The network might be hidden. However, you can still connect to a hidden network.
The wireless network is not functioning
1.
Make sure that the network cable is not connected.
2.
To verify if the network has lost communication, try connecting other devices to the network.
3.
Test network communication by pinging the network.
ENWW Solve connectivity problems 101
a.
Open a command-line prompt on your computer. For Windows, click Start, click Run, type cmd, and then press Enter .
b.
Type ping followed by the router IP address.
For Mac OS X, open the Network Utility, and then supply the IP address in the correct field in the
Ping pane.
c.
If the window displays round-trip times, the network is working.
4.
Make sure that the router or product connects to the same network that the computer connects to.
a.
Print a configuration page.
b.
Compare the service set identifier (SSID) on the configuration report to the SSID in the printer configuration for the computer.
c.
If the numbers are not the same, the devices are not connecting to the same network. Reconfigure the wireless setup for the product.
Perform a wireless network diagnostic test
From the product control panel, you can run a diagnostic test that provides information about the wireless network settings.
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Open the following menus
● System Setup
● Self Diagnostics
3.
Touch the Run Network Test button to start the test. The product prints a test page that shows test results.
Reduce interference on a wireless network
The following tips can reduce interference in a wireless network:
● Keep the wireless devices away from large metal objects, such as filing cabinets, and other electromagnetic devices, such as microwaves and cordless telephones. These objects can disrupt radio signals.
●
Keep the wireless devices away from large masonry structures and other building structures. These objects can absorb radio waves and lower signal strength.
● Position the wireless router in a central location in line of sight with the wireless products on the network.
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Service mode functions
Secondary service menu
Use the secondary service menu to print service-related reports and to run special tests. Customers do not have access to this menu.
Open the secondary service menu
LCD control panels
1.
Press the Setup button.
2.
Press the left arrow button and the OK button at the same time. The 2ndary service menu is displayed.
3.
Use the left and right arrow buttons to navigate through the 2ndary service menu. When finished, press the Cancel button to close the menu.
Touchscreen control panels
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Press the left arrow button and the Cancel button at the same time. The 2ndary Service menu is displayed.
3.
When finished, press the Cancel button to close the menu.
Secondary service menu structure
NOTE:
The order in which the menu items appear in the secondary service menu varies between LCD control panel and touchscreen control panels. The following table might present the menu items in a different order than your product displays them.
Table 2-31 Secondary service menu
Menu item Sub-menu item
Service Reports Cont. Self-Test
Error report
Location (touchscreen control panels only)
LED Test (touchscreen control panels only)
Display test (LCD control panels)
A list of available locations appears
Description
This item prints a continuous configuration page.
This item prints an error report that contains the last 5 instances of the following errors: 49.Error or 79.Error.
This item sets certain product parameters that are dependent on the location, such as the default paper size and the symbol set.
Scroll to the appropriate location and select Yes to set the location. The product automatically restarts after you change the location.
This item tests the LEDs on the product control panel. Each LED turns on in sequence. Touch the OK button to continue to the next LED.
This test verifies that the LEDs and characters on the control-panel display function correctly.
At the beginning of the test, each of the LEDs is turned on one-at-time.
Press the OK button to continue to the next LED.
After the LED test is complete, the product tests the display by turning off all the pixels on the screen and then turning them on.
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Table 2-31 Secondary service menu (continued)
Menu item Sub-menu item
Display test (touchscreen control panels)
Button test
Show FW version
Cal Graphs Mono
Red
Green
Blue
File System Format (fax models only)
Description
This item tests the pixels on the control-panel display. The screen shows solid colors in the following sequence: white, black, red, green, blue.
Touch the OK button to continue to the next screen color.
This test verifies that the control-panel buttons function correctly. The display prompts you to press each button.
Use this item to display the version of the firmware installed on the product.
Use this item to print scan calibration graphs for different scan colors.
For each color, select from a list of scan resolutions and scan stages.
Resolutions
● 300
● 600
●
1200
Scan stages
● Before Offset
●
After Offset
● Before PRNU
● After PRNU
● Before DSNU
● After DSNU
● Before Exposure
●
After Exposure
● Corrected
This items completely reformats the fax file system. All fax pages, fax phonebook entries, blocked fax list entries, and fax log entries are overwritten.
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Product resets
Restore factory settings
Restoring the factory-set defaults returns most of the settings to the factory defaults. It will not reset the page count or tray size, but it might reset the language. To restore the product to the factory-default settings, follow these steps.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Open the following menus:
●
Service
●
Restore Defaults
3.
Press the OK button.
The product automatically restarts.
Touchscreen control panel
1.
On the product control panel, press the Setup button.
2.
Open the following menus:
●
Service
● Restore Defaults
3.
Press the OK button.
The product automatically restarts.
NVRAM initialization
Performing an NVRAM initialization resets the following settings and information:
● All menu settings are reset to factory default values.
●
All localization settings, including language and country/region, are reset.
CAUTION:
All onboard network settings are also reset. Be sure to print a configuration page before restoring defaults. Make note of the IP address that is listed on the Jetdirect configuration page. You might need to restore the IP address after an NVRAM initialization.
After performing an NVRAM initialization, reconfigure any computers that print to this product. Uninstall and then reinstall the product software on the computers.
1.
Turn the product off.
2.
Press the right arrow button. Hold this button as you turn the product on.
3.
When Permanent storage init. appears on the display, release the right arrow button.
When the product has finished the NVRAM initialization, it returns to the Ready state.
ENWW Service mode functions 105
Solve fax problems
●
●
●
●
Fax cuts off or prints on two pages
Check the hardware setup
● Several possible fixes are available. After each recommended action, retry faxing to see if the problem is resolved.
●
For best results during fax problem solving, make sure the line from the product is connected directly to the wall phone port. Disconnect all other devices that are connected to the product.
1.
Verify that the telephone cord is connected to the correct port on the back of the product.
2.
Check the phone line by using the fax test:
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select Service, and then select Run Fax Test. The product prints a fax test report.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Service , and then select Fax Service .
3.
Select Run Fax Test . The product prints a fax test report.
The report contains the following possible results:
● Pass: The report contains all of the current fax settings for review.
● Fail: The report indicates the nature of the error and contains suggestions for how to resolve the issue.
3.
Verify that the product firmware is current:
a.
Go to www.hp.com/support .
b.
Click Drivers & Software, type your product number in the window, and then click Search. If necessary, click your model in a list of similar products.
The Software & Driver Downloads page opens.
c.
Select your operating system from the drop-down menu, and then click Next.
d.
Click the plus sign next to Firmware, and then click HP LaserJet Firmware Update Utility.
e.
Click Download.
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f.
When the download is complete, follow the on-screen instructions to install and run the utility.
The utility checks for firmware updates for your HP product. If updates are found, the utility installs the available update.
g.
When firmware updates are complete, try to resend the fax.
4.
Verify that the fax was set up when the product software was installed.
From the computer, in the HP program folder, run the Fax Setup Utility.
5.
Verify that the telephone service supports analog fax.
NOTE:
HP products are designed specifically for use with analog phone services.
●
If using ISDN or digital PBX, contact your service provider for information about configuring to an analog fax line.
● If using a VoIP service, change the Fax Speed to Slow(V.29) from the control panel. Ask if your service provider supports fax and for the recommended fax modem speed. Some companies might require an adapter.
●
If you are using a DSL service, make sure that a filter is included on the phone-line connection to the product. Contact the DSL service provider, or purchase a DSL filter if you do not have one. If a
DSL filter is installed, try another filter because filters can be defective.
6.
If the error persists, find more detailed problem-solving solutions in the sections that follow this one.
Faxes are sending slowly
The product is experiencing poor phone line quality.
● Retry sending the fax when the line conditions have improved.
●
Check with the phone service provider that the line supports fax.
● Use white paper for the original. Do not use colors such as gray, yellow, or pink.
●
Divide large fax jobs into smaller sections, and then fax them individually.
● Turn off the Error Correction setting.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select Fax Setup, and then select All Faxes.
3.
Select Error Correction, and then select Off.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Service , and then select Fax Service .
3.
Select Error Correction , and then select Off .
NOTE:
Turning off Error Correction can reduce image quality.
●
Increase the Fax Speed setting.
ENWW Solve fax problems 107
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select Fax Setup, and then select All Faxes.
3.
Select Fax Speed, and then select the correct setting.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Fax Setup , and then select Advanced Setup .
3.
Select Fax Speed , and then select the correct setting.
● Change the fax settings on the control panel to a lower resolution.
NOTE:
Higher resolution faxes can take longer to send than lower resolution faxes.
LCD control panel
1.
On the product control panel, press the Setup button.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Fax Setup, and then select Fax Send Setup.
3.
Select Def. Resolution, and then select the correct setting.
2.
Select Fax Setup setting.
, and then select Advanced Setup
3.
Select Fax Resolution , and then select the correct
.
Fax quality is poor
Fax is blurry or too light.
● Increase fax resolution when sending faxes. Resolution does not affect received faxes.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select Fax Setup, and then select Fax Send Setup.
3.
Select Def. Resolution, and then select the correct setting.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Fax Setup , and then select Advanced Setup .
3.
Select Fax Resolution , and then select the correct setting.
NOTE:
Increasing resolution slows transmission speed.
● Turn on the Error Correction setting from the control panel.
LCD control panel
1.
On the product control panel, press the Setup button.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Fax Setup, and then select All Faxes.
3.
Select Error Correction, and then select On.
2.
Select Service , and then select Fax Service
3.
Select Error Correction , and then select On .
.
●
Check the toner cartridges and replace the cartridge if necessary.
● Ask the sender to darken the contrast setting on the sending fax machine, and then resend the fax.
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Fax cuts off or prints on two pages
● Set the Default Paper Size setting. Faxes print on a single size of paper based on the Default Paper Size settings.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select System Setup, and then select Paper Setup.
3.
Select Def. Paper Size, and then select the correct setting.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select System Setup , and then select Paper Setup .
3.
Select Paper Size , and then select the correct setting.
● Set the paper type and size for the tray used for faxes.
●
Turn on the Fit to Page setting to print longer length faxes on letter or A4 size paper.
LCD control panel
1.
On the product control panel, press the Setup button.
2.
Select Fax Setup, and then select Recv. Fax Setup.
3.
Select Fit to Page, and then select On.
Touchscreen control panel
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Select Fax Setup , and then select Advanced Setup .
3.
Select Fit to Page , and then select On .
NOTE:
If the Fit to Page setting is off and the Default Paper Size setting is set to Letter, a Legal-size original prints on two pages.
ENWW Solve fax problems 109
Product updates
Software and firmware updates and installation instructions for this product are available at www.hp.com/ support/ljMFPM176series or www.hp.com/support/ljMFPM177series . Click Downloads and drivers, click the operating system, and then select the download for the product.
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A Service and support
●
Hewlett-Packard limited warranty statement
●
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement
●
●
●
Data stored on the toner cartridge
●
●
●
Customer self-repair warranty service
●
ENWW 111
Hewlett-Packard limited warranty statement
HP PRODUCT
HP Color LaserJet Pro MFP M176n or HP Color LaserJet Pro MFP
M177fw
DURATION OF LIMITED WARRANTY
One-year limited warranty
HP warrants to you, the end-user customer, that HP hardware and accessories will be free from defects in materials and workmanship after the date of purchase, for the period specified above. If HP receives notice of such defects during the warranty period, HP will, at its option, either repair or replace products which prove to be defective. Replacement products may be either new or equivalent in performance to new.
HP warrants to you that HP software will not fail to execute its programming instructions after the date of purchase, for the period specified above, due to defects in material and workmanship when properly installed and used. If HP receives notice of such defects during the warranty period, HP will replace software which does not execute its programming instructions due to such defects.
HP does not warrant that the operation of HP products will be uninterrupted or error free. If HP is unable, within a reasonable time, to repair or replace any product to a condition as warranted, you will be entitled to a refund of the purchase price upon prompt return of the product.
HP products may contain remanufactured parts equivalent to new in performance or may have been subject to incidental use.
Warranty does not apply to defects resulting from (a) improper or inadequate maintenance or calibration, (b) software, interfacing, parts or supplies not supplied by HP, (c) unauthorized modification or misuse, (d) operation outside of the published environmental specifications for the product, or (e) improper site preparation or maintenance.
TO THE EXTENT ALLOWED BY LOCAL LAW, THE ABOVE WARRANTIES ARE EXCLUSIVE AND NO OTHER
WARRANTY OR CONDITION, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED AND HP SPECIFICALLY
DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, AND
FITNESS FOR A PARTICULAR PURPOSE. Some countries/regions, states or provinces do not allow limitations on the duration of an implied warranty, so the above limitation or exclusion might not apply to you. This warranty gives you specific legal rights and you might also have other rights that vary from country/region to country/region, state to state, or province to province.
HP's limited warranty is valid in any country/region or locality where HP has a support presence for this product and where HP has marketed this product. The level of warranty service you receive may vary according to local standards. HP will not alter form, fit or function of the product to make it operate in a country/region for which it was never intended to function for legal or regulatory reasons.
TO THE EXTENT ALLOWED BY LOCAL LAW, THE REMEDIES IN THIS WARRANTY STATEMENT ARE YOUR SOLE
AND EXCLUSIVE REMEDIES. EXCEPT AS INDICATED ABOVE, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE
FOR LOSS OF DATA OR FOR DIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST PROFIT OR
DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OR OTHERWISE. Some countries/regions, states or provinces do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
THE WARRANTY TERMS CONTAINED IN THIS STATEMENT, EXCEPT TO THE EXTENT LAWFULLY PERMITTED, DO
NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS
APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU.
112 Appendix A Service and support ENWW
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement
This HP product is warranted to be free from defects in materials and workmanship.
This warranty does not apply to products that (a) have been refilled, refurbished, remanufactured or tampered with in any way, (b) experience problems resulting from misuse, improper storage, or operation outside of the published environmental specifications for the printer product or (c) exhibit wear from ordinary use.
To obtain warranty service, please return the product to place of purchase (with a written description of the problem and print samples) or contact HP customer support. At HP's option, HP will either replace products that prove to be defective or refund your purchase price.
TO THE EXTENT ALLOWED BY LOCAL LAW, THE ABOVE WARRANTY IS EXCLUSIVE AND NO OTHER WARRANTY
OR CONDITION, WHETHER WRITTEN OR ORAL, IS EXPRESSED OR IMPLIED AND HP SPECIFICALLY DISCLAIMS
ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, AND FITNESS FOR
A PARTICULAR PURPOSE.
TO THE EXTENT ALLOWED BY LOCAL LAW, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR DIRECT,
SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER
BASED IN CONTRACT, TORT, OR OTHERWISE.
THE WARRANTY TERMS CONTAINED IN THIS STATEMENT, EXCEPT TO THE EXTENT LAWFULLY PERMITTED, DO
NOT EXCLUDE, RESTRICT OR MODIFY AND ARE IN ADDITION TO THE MANDATORY STATUTORY RIGHTS
APPLICABLE TO THE SALE OF THIS PRODUCT TO YOU.
ENWW HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement 113
HP policy on non-HP supplies
Hewlett-Packard Company cannot recommend the use of non-HP toner cartridges, either new or remanufactured.
NOTE:
For HP printer products, the use of a non-HP toner cartridge or a refilled toner cartridge does not affect either the warranty to the customer or any HP support contract with the customer. However, if product failure or damage is attributable to the use of a non-HP toner cartridge or refilled toner cartridge, HP will charge its standard time and materials charges to service the product for the particular failure or damage.
114 Appendix A Service and support ENWW
HP anticounterfeit Web site
Go to www.hp.com/go/anticounterfeit when you install an HP toner cartridge and the control-panel message says the cartridge is non-HP. HP will help determine if the cartridge is genuine and take steps to resolve the problem.
Your toner cartridge might not be a genuine HP toner cartridge if you notice the following:
● The supplies status page indicates that a non-HP supply is installed.
●
You are experiencing a high number of problems with the cartridge.
● The cartridge does not look like it usually does (for example, the packaging differs from HP packaging).
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Data stored on the toner cartridge
The HP toner cartridges used with this product contain a memory chip that assists in the operation of the product.
In addition, this memory chip collects a limited set of information about the usage of the product, which might include the following: the date when the toner cartridge was first installed, the date when the toner cartridge was last used, the number of pages printed using the toner cartridge, the page coverage, the printing modes used, any printing errors that might have occurred, and the product model. This information helps HP design future products to meet our customers' printing needs.
The data collected from the toner cartridge memory chip does not contain information that can be used to identify a customer or user of the toner cartridge or their product.
HP collects a sampling of the memory chips from toner cartridges returned to HP's free return and recycling program (HP Planet Partners: www.hp.com/recycle ). The memory chips from this sampling are read and studied in order to improve future HP products. HP partners who assist in recycling this toner cartridge might have access to this data, as well.
Any third party possessing the toner cartridge might have access to the anonymous information on the memory chip.
116 Appendix A Service and support ENWW
End User License Agreement
PLEASE READ CAREFULLY BEFORE USING THIS SOFTWARE PRODUCT: This End-User License Agreement
(“EULA”) is a contract between (a) you (either an individual or the entity you represent) and (b) Hewlett-
Packard Company (“HP”) that governs your use of the software product (“Software”). This EULA does not apply if there is a separate license agreement between you and HP or its suppliers for the Software, including a license agreement in online documentation. The term “Software” may include (i) associated media, (ii) a user guide and other printed materials, and (iii) “online” or electronic documentation (collectively “User
Documentation”).
RIGHTS IN THE SOFTWARE ARE OFFERED ONLY ON THE CONDITION THAT YOU AGREE TO ALL TERMS AND
CONDITIONS OF THIS EULA. BY INSTALLING, COPYING, DOWNLOADING, OR OTHERWISE USING THE SOFTWARE,
YOU AGREE TO BE BOUND BY THIS EULA. IF YOU DO NOT ACCEPT THIS EULA, DO NOT INSTALL, DOWNLOAD, OR
OTHERWISE USE THE SOFTWARE. IF YOU PURCHASED THE SOFTWARE BUT DO NOT AGREE TO THIS EULA,
PLEASE RETURN THE SOFTWARE TO YOUR PLACE OF PURCHASE WITHIN FOURTEEN DAYS FOR A REFUND OF
THE PURCHASE PRICE; IF THE SOFTWARE IS INSTALLED ON OR MADE AVAILABLE WITH ANOTHER HP PRODUCT,
YOU MAY RETURN THE ENTIRE UNUSED PRODUCT.
1.
THIRD PARTY SOFTWARE. The Software may include, in addition to HP proprietary software (“HP
Software”), software under licenses from third parties (“Third Party Software” and “Third Party
License”). Any Third Party Software is licensed to you subject to the terms and conditions of the corresponding Third Party License. Generally, the Third Party License is in a file such as “license.txt” or a
“readme” file. You should contact HP support if you cannot find a Third Party License. If the Third Party
Licenses include licenses that provide for the availability of source code (such as the GNU General Public
License) and the corresponding source code is not included with the Software, then check the product support pages of HP's website (hp.com) to learn how to obtain such source code.
2.
LICENSE RIGHTS. You will have the following rights provided you comply with all terms and conditions of this EULA:
a.
Use. HP grants you a license to Use one copy of the HP Software. “Use” means installing, copying, storing, loading, executing, displaying, or otherwise using the HP Software. You may not modify the HP Software or disable any licensing or control feature of the HP Software. If this Software is provided by HP for Use with an imaging or printing product (for example, if the Software is a printer driver, firmware, or add-on), the HP Software may only be used with such product
(“HP Product”). Additional restrictions on Use may appear in the User Documentation. You may not separate component parts of the HP Software for Use. You do not have the right to distribute the
HP Software.
b.
Copying. Your right to copy means you may make archival or back-up copies of the HP Software, provided each copy contains all the original HP Software’s proprietary notices and is used only for back-up purposes.
3.
UPGRADES. To Use HP Software provided by HP as an upgrade, update, or supplement (collectively
“Upgrade”), you must first be licensed for the original HP Software identified by HP as eligible for the
Upgrade. To the extent the Upgrade supersedes the original HP Software, you may no longer use such
HP Software. This EULA applies to each Upgrade unless HP provides other terms with the Upgrade. In case of a conflict between this EULA and such other terms, the other terms will prevail.
ENWW End User License Agreement 117
4.
TRANSFER.
a.
Third Party Transfer. The initial end user of the HP Software may make a one-time transfer of the
HP Software to another end user. Any transfer will include all component parts, media, User
Documentation, this EULA, and if applicable, the Certificate of Authenticity. The transfer may not be an indirect transfer, such as a consignment. Prior to the transfer, the end user receiving the transferred Software will agree to this EULA. Upon transfer of the HP Software, your license is automatically terminated.
b.
Restrictions. You may not rent, lease or lend the HP Software or Use the HP Software for commercial timesharing or bureau use. You may not sublicense, assign or otherwise transfer the
HP Software except as expressly provided in this EULA.
5.
PROPRIETARY RIGHTS. All intellectual property rights in the Software and User Documentation are owned by HP or its suppliers and are protected by law, including applicable copyright, trade secret, patent, and trademark laws. You will not remove any product identification, copyright notice, or proprietary restriction from the Software.
6.
LIMITATION ON REVERSE ENGINEERING. You may not reverse engineer, decompile, or disassemble the
HP Software, except and only to the extent that the right to do so is allowed under applicable law.
7.
CONSENT TO USE OF DATA. HP and its affiliates may collect and use technical information you provide in relation to (i) your Use of the Software or the HP Product, or (ii) the provision of support services related to the Software or the HP Product. All such information will be subject to HP’s privacy policy. HP will not use such information in a form that personally identifies you except to the extent necessary to enhance your Use or provide support services.
8.
LIMITATION OF LIABILITY. Notwithstanding any damages that you might incur, the entire liability of HP and its suppliers under this EULA and your exclusive remedy under this EULA will be limited to the greater of the amount actually paid by you for the Product or U.S. $5.00. TO THE MAXIMUM EXTENT
PERMITTED BY APPLICABLE LAW, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL,
INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOST PROFITS, LOST
DATA, BUSINESS INTERRUPTION, PERSONAL INJURY, OR LOSS OF PRIVACY) RELATED IN ANY WAY TO THE
USE OF OR INABILITY TO USE THE SOFTWARE, EVEN IF HP OR ANY SUPPLIER HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES AND EVEN IF THE ABOVE REMEDY FAILS OF ITS ESSENTIAL PURPOSE.
Some states or other jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
9.
U.S. GOVERNMENT CUSTOMERS. Software was developed entirely at private expense. All Software is commercial computer software within the meaning of the applicable acquisition regulations.
Accordingly, pursuant to US FAR 48 CFR 12.212 and DFAR 48 CFR 227.7202, use, duplication and disclosure of the Software by or for the U.S. Government or a U.S. Government subcontractor is subject solely to the terms and conditions set forth in this End User License Agreement, except for provisions which are contrary to applicable mandatory federal laws.
10.
COMPLIANCE WITH EXPORT LAWS. You will comply with all laws, rules, and regulations (i) applicable to the export or import of the Software, or (ii) restricting the Use of the Software, including any restrictions on nuclear, chemical, or biological weapons proliferation.
11.
RESERVATION OF RIGHTS. HP and its suppliers reserve all rights not expressly granted to you in this
EULA.
© 2009 Hewlett-Packard Development Company, L.P.
Rev. 04/09
118 Appendix A Service and support ENWW
OpenSSL
This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http:// www.openssl.org/)
THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR ITS
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
This product includes cryptographic software written by Eric Young ([email protected]). This product includes software written by Tim Hudson ([email protected]).
ENWW OpenSSL 119
Customer self-repair warranty service
HP products are designed with many Customer Self Repair (CSR) parts to minimize repair time and allow for greater flexibility in performing defective parts replacement. If during the diagnosis period, HP identifies that the repair can be accomplished by the use of a CSR part, HP will ship that part directly to you for replacement.
There are two categories of CSR parts: 1) Parts for which customer self repair is mandatory. If you request HP to replace these parts, you will be charged for the travel and labor costs of this service. 2) Parts for which customer self repair is optional. These parts are also designed for Customer Self Repair. If, however, you require that HP replace them for you, this may be done at no additional charge under the type of warranty service designated for your product.
Based on availability and where geography permits, CSR parts will be shipped for next business day delivery.
Same-day or four-hour delivery may be offered at an additional charge where geography permits. If assistance is required, you can call the HP Technical Support Center and a technician will help you over the phone. HP specifies in the materials shipped with a replacement CSR part whether a defective part must be returned to HP. In cases where it is required to return the defective part to HP, you must ship the defective part back to HP within a defined period of time, normally five (5) business days. The defective part must be returned with the associated documentation in the provided shipping material. Failure to return the defective part may result in HP billing you for the replacement. With a customer self repair, HP will pay all shipping and part return costs and determine the courier/carrier to be used.
120 Appendix A Service and support ENWW
Customer support
Get telephone support for your country/region
Have the product name, serial number, date of purchase, and problem description ready.
Get 24-hour Internet support
Country/region phone numbers are on the flyer that was in the box with your product or at www.hp.com/support/ .
Download software utilities, drivers, and electronic information
Order additional HP service or maintenance agreements
Register your product www.hp.com/support/ljMFPM176series or www.hp.com/support/ ljMFPM177series www.hp.com/go/ljMFPM176series_software or www.hp.com/go/ ljMFPM177series_software www.hp.com/go/carepack www.register.hp.com
ENWW Customer support 121
122 Appendix A Service and support ENWW
B Product specifications
●
●
Power consumption, electrical specifications, and acoustic emissions
●
ENWW 123
Physical specifications
Table B-1 Physical specifications
Product Height
M176n
M177fw
280 mm (11 in)
335 mm (13.2 in)
Depth
289 mm (11.4 in)
289 mm (11.4 in)
Width
423 mm (16.7 in)
423 mm (16.7 in)
Weight
14.8 kg (32.6 lb)
15.7 kg (34.6 lb)
Table B-2 Product dimensions with document feeder opened
Product Height Depth
M176n
M177fw
280 mm (11 in)
335 mm (13.2 in)
402 mm (15.8 in)
402 mm (15.8 in)
Width
423 mm (16.7 in)
423 mm (16.7 in)
Power consumption, electrical specifications, and acoustic emissions
See www.hp.com/support/ljMFPM176series or www.hp.com/support/ljMFPM177series for current information.
CAUTION:
Power requirements are based on the country/region where the product is sold. Do not convert operating voltages. This will damage the product and void the product warranty.
Environmental specifications
Table B-3 Operating-environment specifications
Environment Recommended
Temperature
Relative humidity
Altitude
17° to 25°C (62.6° to 77°F)
30% to 70% relative humidity (RH)
Not applicable
Allowed
15° to 30°C (59° to 86°F)
10% to 80% RH
0 to 3048 m (0 to 10,000 ft)
124 Appendix B Product specifications ENWW
C Regulatory information
●
●
Environmental product stewardship program
●
Declaration of conformity (M176n model)
●
Declaration of conformity (M177fw model)
●
●
Additional statements for telecom (fax) products
●
Additional statements for wireless products
ENWW 125
FCC regulations
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy. If this equipment is not installed and used in accordance with the instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
●
Reorient or relocate the receiving antenna.
● Increase separation between equipment and receiver.
●
Connect equipment to an outlet on a circuit different from that to which the receiver is located.
● Consult your dealer or an experienced radio/TV technician.
NOTE:
Any changes or modifications to the printer that are not expressly approved by HP could void the user’s authority to operate this equipment.
Use of a shielded interface cable is required to comply with the Class B limits of Part 15 of FCC rules.
126 Appendix C Regulatory information ENWW
Environmental product stewardship program
Protecting the environment
Hewlett-Packard Company is committed to providing quality products in an environmentally sound manner.
This product has been designed with several attributes to minimize impacts on our environment.
Ozone production
This product generates no appreciable ozone gas (O
3
).
Power consumption
Power usage drops significantly while in Sleep or Auto-Off mode, which saves natural resources and saves money without affecting the high performance of this product. Hewlett-Packard printing and imaging equipment marked with the ENERGY STAR qualified imaging products:
® logo is qualified to the U.S. Environmental Protection Agency's
ENERGY STAR specifications for imaging equipment. The following mark will appear on ENERGY STAR
Additional ENERGY STAR qualified imaging product model information is listed at: www.hp.com/go/energystar
Toner consumption
EconoMode uses less toner, which might extend the life of the toner cartridge. HP does not recommend the full-time use of EconoMode. If EconoMode is used full-time, the toner supply might outlast the mechanical parts in the toner cartridge. If print quality begins to degrade and is no longer acceptable, consider replacing the toner cartridge.
Paper use
This product’s manual duplex feature (two-sided printing) and N-up printing (multiple pages printed on one page) capability can reduce paper usage and the resulting demands on natural resources.
Plastics
Plastic parts over 25 grams are marked according to international standards that enhance the ability to identify plastics for recycling purposes at the end of the product’s life.
HP LaserJet print supplies
It’s easy to return and recycle your HP LaserJet toner cartridges after use—free of charge—with HP Planet
Partners. Multilingual program information and instructions are included in every new HP LaserJet toner cartridge and supplies package. You help reduce the toll on the environment further when you return multiple cartridges together rather than separately.
ENWW Environmental product stewardship program 127
HP is committed to providing inventive, high-quality products and services that are environmentally sound, from product design and manufacturing to distribution, customer use and recycling. When you participate in the HP Planet Partners program, we ensure your HP LaserJet toner cartridges are recycled properly, processing them to recover plastics and metals for new products and diverting millions of tons of waste from landfills. Since this cartridge is being recycled and used in new materials, it will not be returned to you. Thank you for being environmentally responsible!
NOTE:
Use the return label to return original HP LaserJet toner cartridges only. Please do not use this label for HP inkjet cartridges, non-HP cartridges, refilled or remanufactured cartridges or warranty returns. For information about recycling your HP inkjet cartridges please go to http://www.hp.com/recycle .
Return and recycling instructions
United States and Puerto Rico
The enclosed label in the HP LaserJet toner cartridge box is for the return and recycling of one or more HP
LaserJet toner cartridges after use. Please follow the applicable instructions below.
Multiple returns (more than one cartridge)
1.
Package each HP LaserJet toner cartridge in its original box and bag.
2.
Tape the boxes together using strapping or packaging tape. The package can weigh up to 31 kg (70 lb).
3.
Use a single pre-paid shipping label.
OR
1.
Use your own suitable box, or request a free bulk collection box from www.hp.com/recycle or
1-800-340-2445 (holds up to 31 kg (70 lb) of HP LaserJet toner cartridges).
2.
Use a single pre-paid shipping label.
Single returns
1.
Package the HP LaserJet toner cartridge in its original bag and box.
2.
Place the shipping label on the front of the box.
Shipping
For US and Puerto Rico HP LaserJet toner cartridge recycling returns, use the pre-paid, pre-addressed shipping label contained in the box. To use the UPS label, give the package to the UPS driver during your next delivery or pick-up, or take it to an authorized UPS drop-off center. (Requested UPS Ground pickup will be charged normal pick-up rates) For the location of your local UPS drop-off center, call 1-800-PICKUPS or visit www.ups.com
.
If you are returning the package with the FedEx label, give the package to either the U.S. Postal Service carrier or FedEx driver during your next pick-up or delivery. (Requested FedEx Ground pickup will be charged normal pick-up rates). Or, you can drop off your packaged toner cartridge(s) at any U.S. Post Office or any
FedEx shipping center or store. For the location of your nearest U.S. Post Office, please call 1-800-ASK-USPS or visit www.usps.com
. For the location of your nearest FedEx shipping center/store, please call 1-800-
GOFEDEX or visit www.fedex.com
.
For more information, or to order additional labels or boxes for bulk returns, visit www.hp.com/recycle or call
1-800-340-2445. Information subject to change without notice.
128 Appendix C Regulatory information ENWW
Residents of Alaska and Hawaii
Do not use the UPS label. Call 1-800-340-2445 for information and instructions. The U.S. Postal Service provides no-cost cartridge return transportation services under an arrangement with HP for Alaska and
Hawaii.
Non-U.S. returns
To participate in HP Planet Partners return and recycling program, just follow the simple directions in the recycling guide (found inside the packaging of your new product supply item) or visit www.hp.com/recycle .
Select your country/region for information on how to return your HP LaserJet printing supplies.
Paper
This product is capable of using recycled papers when the paper meets the guidelines outlined in the
HP LaserJet Printer Family Print Media Guide. This product is suitable for the use of recycled paper according to EN12281:2002.
Material restrictions
HP Color LaserJet Pro MFP M176n
This HP product does not contain added mercury.
This product does not contain batteries.
HP Color LaserJet Pro MFP M177fw
This HP product does not contain added mercury.
This HP product contains a battery that might require special handling at end-of-life. The batteries contained in or supplied by Hewlett-Packard for this product include the following:
Type
Weight
Location
User-removable
Lithium carbon-monofluoride
0.8 g
On formatter board
No
ENWW
For recycling information, you can go to www.hp.com/recycle , or contact your local authorities or the
Electronics Industries Alliance: www.eiae.org
.
Environmental product stewardship program 129
Disposal of waste equipment by users
This symbol means do not dispose of your product with your other household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment. For more information, please contact your household waste disposal service, or go to: www.hp.com/recycle .
Electronic hardware recycling
HP encourages customers to recycle used electronic hardware. For more information about recycling programs go to: www.hp.com/recycle .
Chemical substances
HP is committed to providing our customers with information about the chemical substances in our products as needed to comply with legal requirements such as REACH (Regulation EC No 1907/2006 of the European
Parliament and the Council). A chemical information report for this product can be found at: www.hp.com/go/ reach .
Material Safety Data Sheet (MSDS)
Material Safety Data Sheets (MSDS) for supplies containing chemical substances (for example, toner) can be obtained by accessing the HP Web site at www.hp.com/go/msds or www.hp.com/hpinfo/community/ environment/productinfo/safety .
For more information
To obtain information about these environmental topics:
●
Product environmental profile sheet for this and many related HP products
● HP’s commitment to the environment
●
HP’s environmental management system
● HP’s end-of-life product return and recycling program
●
Material Safety Data Sheets
Visit www.hp.com/go/environment or www.hp.com/hpinfo/globalcitizenship/environment .
130 Appendix C Regulatory information ENWW
Declaration of conformity (M176n model)
Declaration of Conformity
according to ISO/IEC 17050-1 and EN 17050-1
Hewlett-Packard Information Technology DoC#: SHNGC-1203-00-rel.1.0
Manufacturer's Name:
Manufacturer's Address: declares, that the product
Product Name:
Regulatory Model:
Product Options:
Toner Cartridges:
2)
R&D (Shanghai) Co., LTD
Building 6, No. 690 BiBo Road, ZhangJiang, Shanghai, China
HP Color LaserJet Pro MFP M176n
SHNGC-1203-00
All
CF350A, CF351A , CF352A, CF353A
conforms to the following Product Specifications:
SAFETY:
IEC 60950-1:2005 +A1/ EN60950-1: 2006 +A11:2009 +A1:2010 +A12:2011
EMC:
IEC 60825-1:2007 / EN 60825-1:2007 (Class 1 Laser/LED Product)
IEC 62479:2010/EN 62479:2010
GB4943-2011
CISPR22:2008 / EN55022:2010 - Class B 1)
EN 61000-3-2:2006 +A1 +A2
EN 61000-3-3:2008
EN 55024:1998 +A1 +A2
FCC Title 47 CFR, Part 15 Class B / ICES-003, Issue 4
Energy Use
GB9254-2008, GB17625.1-2003
Regulation (EC) No. 1275/2008:
ENERGY STAR® Qualified Imaging Equipment Typical Electricity Consumption (TEC) Test Procedure
RoHS
Supplementary Information:
EN50581:2012
The product herewith complies with the requirements of the EMC Directive 2004/108/EC, the Low Voltage Directive 2006/95/EC, the Ecodesign
Directive 2009/125/EC, the RoHS Directive 2011/65/EU, and carries the CE-Marking accordingly.
This Device complies with Part 15 of the FCC Rules. Operation is subject to the following two Conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1.
The product was tested in a typical configuration with Hewlett-Packard Personal Computer Systems.
2.
For regulatory purposes, this product is assigned a Regulatory model number. This number should not be confused with the marketing names or the product number(s).
Shanghai, China
September 2012
For Regulatory Topics only, contact:
ENWW Declaration of conformity (M176n model) 131
European Contact:
USA Contact:
Your Local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, HQ-TRE, Herrenberger
Straße 140, 71034 Böblingen, Germany www.hp.eu/certificates
Product Regulations Manager, Hewlett-Packard, 3000 Hanover St., Palo Alto 94304, U.S.A.
1-650-857-1501
132 Appendix C Regulatory information ENWW
Declaration of conformity (M177fw model)
Manufacturer's Name:
Declaration of Conformity
according to ISO/IEC 17050-1 and EN 17050-1
Hewlett-Packard Information Technology DoC#: SHNGC-1203-01-rel.1.0
R&D (Shanghai) Co., Ltd.
Building 6, No. 690 BiBo Road, ZhangJiang, Shanghai, China
Manufacturer's Address: declares, that the product
Product Name:
Regulatory Model:
2)
HP Color LaserJet Pro MFP M177fw
SHNGC-1203-01
Including:
BOISB-1102-00 – (US-Fax Module LIU)
BOISB-1102-01 – (EURO-Fax Module LIU)
Product Options:
Toner Cartridges:
SDGOB-1191 – (Radio Module)
All
CF350A, CF351A , CF352A, CF353A
conforms to the following Product Specifications:
SAFETY:
IEC 60950-1:2005 +A1/ EN60950-1: 2006 +A11:2009 +A1:2010 +A12:2011
IEC 60825-1:2007 / EN 60825-1:2007 (Class 1 Laser/LED Product)
EMC:
IEC 62479:2010/EN 62479:2010
GB4943-2011
CISPR22:2008 / EN55022:2010 - Class B 1)
EN 61000-3-2:2006 +A1 +A2
Radio:
TELECOM:
Energy Use:
RoHS:
5)
4)
Supplementary Information:
EN 61000-3-3:2008
EN 55024:1998 +A1 +A2
FCC Title 47 CFR, Part 15 Class B / ICES-003, Issue 4
GB9254-2008, GB17625.1-2003
EN 301 489-1:V1.8.1 / EN 301 489-17:V2.1.1
EN 300 328: V1.7.1
FCC Title 47 CFR, Part 15 Subpart C (Section 15.247) / IC: RSS-210
IEC 62311: 2007/ EN62311: 2008
ES 203 021; FCC Title 47 CFR, Part 68
3)
Regulation (EC) No. 1275/2008
ENERGY STAR® Qualified Imaging Equipment Typical Electricity Consumption (TEC) Test Procedure
EN50581:2012
ENWW Declaration of conformity (M177fw model) 133
The product herewith complies with the requirements of the R&TTE Directive 1999/5/EC, EMC Directive 2004/108/EC, the Low Voltage Directive
2006/95/EC and the Ecodesign Directive 2009/125/EC, the RoHS Directive 2011/65/EUC, and carries the CE-Marking accordingly.
This Device complies with Part 15 of the FCC Rules. Operation is subject to the following two Conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1.
The product was tested in a typical configuration with Hewlett-Packard Personal Computer Systems.
2.
For regulatory purposes, this product is assigned a Regulatory model number. This number should not be confused with the marketing names or the product number(s).
3.
Telecom approvals and standards appropriate for the target countries/regions have been applied to this product, in addition to those listed above.
4.
This product uses an analog fax accessory module which Regulatory Model numbers are: BOISB-1102-00 (US-LIU) or BOISB-1102-01 (EURO
LIU), as needed to meet technical regulatory requirements for the countries/regions this product will be sold.
5.
This product uses a radio module device which Regulatory Model number is SDGOB-1191 as needed to meet technical regulatory requirements for the countries/regions this product will be sold.
Shanghai, China
September 2012
For Regulatory Topics only, contact:
European Contact:
USA Contact:
Your Local Hewlett-Packard Sales and Service Office or Hewlett-Packard GmbH, HQ-TRE, Herrenberger
Straße 140, 71034 Böblingen, Germany www.hp.eu/certificates
Product Regulations Manager, Hewlett-Packard Company, 3000 Hanover St., Palo Alto 94304, U.S.A.
1-650-857-1501
134 Appendix C Regulatory information ENWW
Safety statements
Laser safety
The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration has implemented regulations for laser products manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States. The device is certified as a “Class 1” laser product under the U.S.
Department of Health and Human Services (DHHS) Radiation Performance Standard according to the
Radiation Control for Health and Safety Act of 1968. Since radiation emitted inside the device is completely confined within protective housings and external covers, the laser beam cannot escape during any phase of normal user operation.
WARNING!
Using controls, making adjustments, or performing procedures other than those specified in this user guide may result in exposure to hazardous radiation.
Canadian DOC regulations
Complies with Canadian EMC Class B requirements.
« Conforme à la classe B des normes canadiennes de compatibilité électromagnétiques. « CEM ». »
VCCI statement (Japan)
Power cord instructions
Make sure your power source is adequate for the product voltage rating. The voltage rating is on the product label. The product uses either 100-127 Vac or 220-240 Vac and 50/60 Hz.
Connect the power cord between the product and a grounded AC outlet.
CAUTION:
To prevent damage to the product, use only the power cord that is provided with the product.
Power cord statement (Japan)
ENWW Safety statements 135
EMC statement (Korea)
Laser statement for Finland
Luokan 1 laserlaite
Klass 1 Laser Apparat
HP Color LaserJet Pro MFP M176, M177, laserkirjoitin on käyttäjän kannalta turvallinen luokan 1 laserlaite.
Normaalissa käytössä kirjoittimen suojakotelointi estää lasersäteen pääsyn laitteen ulkopuolelle. Laitteen turvallisuusluokka on määritetty standardin EN 60825-1 (2007) mukaisesti.
VAROITUS !
Laitteen käyttäminen muulla kuin käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle.
VARNING !
Om apparaten används på annat sätt än i bruksanvisning specificerats, kan användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1.
HUOLTO
HP Color LaserJet Pro MFP M176, M177 - kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita.
Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen koulutettu henkilö. Tällaiseksi huoltotoimenpiteeksi ei katsota väriainekasetin vaihtamista, paperiradan puhdistusta tai muita käyttäjän käsikirjassa lueteltuja, käyttäjän tehtäväksi tarkoitettuja ylläpitotoimia, jotka voidaan suorittaa ilman erikoistyökaluja.
VARO !
Mikäli kirjoittimen suojakotelo avataan, olet alttiina näkymättömällelasersäteilylle laitteen ollessa toiminnassa. Älä katso säteeseen.
VARNING !
Om laserprinterns skyddshölje öppnas då apparaten är i funktion, utsättas användaren för osynlig laserstrålning. Betrakta ej strålen.
Tiedot laitteessa käytettävän laserdiodin säteilyominaisuuksista: Aallonpituus 775-795 nm Teho 5 m W
Luokan 3B laser.
136 Appendix C Regulatory information ENWW
GS statement (Germany)
Das Gerät ist nicht für die Benutzung im unmittelbaren Gesichtsfeld am Bildschirmarbeitsplatz vorgesehen.
Um störende Reflexionen am Bildschirmarbeitsplatz zu vermeiden, darf dieses Produkt nicht im unmittelbaren Gesichtsfeld platziert warden.
Das Gerät ist kein Bildschirmarbeitsplatz gemäß BildscharbV. Bei ungünstigen Lichtverhältnissen (z. B.
direkte Sonneneinstrahlung) kann es zu Reflexionen auf dem Display und damit zu Einschränkungen der
Lesbarkeit der dargestellten Zeichen kommen.
Substances Table (China)
Restriction on Hazardous Substances statement (Turkey)
Türkiye Cumhuriyeti: EEE Yönetmeliğine Uygundur
Restriction on Hazardous Substances statement (Ukraine)
Обладнання відповідає вимогам Технічного регламенту щодо обмеження використання деяких небезпечних речовин в електричному та електронному обладнанні, затвердженого постановою
Кабінету Міністрів України від 3 грудня 2008 № 1057
ENWW Safety statements 137
Eurasian Conformity (Belarus, Kazakhstan, Russia)
138 Appendix C Regulatory information ENWW
Additional statements for telecom (fax) products
EU Statement for Telecom Operation
This product is intended to be connected to the analog Public Switched Telecommunication Networks (PSTN) of European Economic Area (EEA) countries/regions.
It meets requirements of EU R&TTE Directive 1999/5/EC (Annex II) and carries appropriate CE conformity marking.
For more details see Declaration of Conformity issued by the manufacturer in another section of this manual.
However due to differences between individual national PSTNs the product may not guarantee unconditional assurance of successful operation on every PSTN termination point. Network compatibility depends on the correct setting being selected by the customer in preparation of its connection to the PSTN. Please follow the instructions provided in the user manual.
If you experience network compatibility issues, please contact your equipment supplier or Hewlett-Packard help desk in the country/region of operation.
Connecting to a PSTN termination point may be the subject of additional requirements set out by the local
PSTN operator.
New Zealand Telecom Statements
The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted that the item complies with minimum conditions for connection to its network. It indicates no endorsement of the product by Telecom, nor does it provide any sort of warranty. Above all, it provides no assurance that any item will work correctly in all respects with another item of Telepermitted equipment of a different make or model, nor does it imply that any product is compatible with all of Telecom’s network services.
This equipment may not provide for the effective hand-over of a call to another device connected to the same line.
This equipment shall not be set up to make automatic calls to the Telecom “111” Emergency Service.
This product has not been tested to ensure compatibility with the FaxAbility distinctive ring service for New
Zealand.
Additional FCC statement for telecom products (US)
This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the back of this equipment is a label that contains, among other information, a product identifier in the format
US:AAAEQ##TXXXX. If requested, this number must be provided to the telephone company.
The REN is used to determine the quantity of devices, which may be connected to the telephone line.
Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call. In most, but not all, areas, the sum of the RENs should not exceed five (5.0). To be certain of the number of devices that may be connected to the line, as determined by the total RENs, contact the telephone company to determine the maximum REN for the calling area.
This equipment uses the following USOC jacks: RJ11C.
An FCC-compliant telephone cord and modular plug is provided with this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack, which is Part 68 compliant. This equipment cannot be used on telephone company-provided coin service.
Connection to Party Line Service is subject to state tariffs.
ENWW Additional statements for telecom (fax) products 139
If this equipment causes harm to the telephone network, the telephone company will notify you in advance that temporary discontinuance of service may be required. If advance notice is not practical, the telephone company will notify the customer as soon as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe it is necessary.
The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of the equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary modifications in order to maintain uninterrupted service.
If trouble is experienced with this equipment, please see the numbers in this manual for repair and (or) warranty information. If the trouble is causing harm to the telephone network, the telephone company may request you remove the equipment from the network until the problem is resolved.
The customer can do the following repairs: Replace any original equipment that came with the device. This includes the toner cartridge, the supports for trays and bins, the power cord, and the telephone cord. It is recommended that the customer install an AC surge arrestor in the AC outlet to which this device is connected. This is to avoid damage to the equipment caused by local lightning strikes and other electrical surges.
Telephone Consumer Protection Act (US)
The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device, including fax machines, to send any message unless such message clearly contains, in a margin at the top or bottom of each transmitted page or on the first page of the transmission, the date and time it is sent and an identification of the business, other entity, or individual sending the message and the telephone number of the sending machine or such business, or other entity, or individual. (The telephone number provided cannot be a 900 number or any other number for which charges exceed local or long distance transmission charges).
Industry Canada CS-03 requirements
Notice: The Industry Canada label identifies certified equipment. This certification means the equipment meets certain telecommunications network protective, operational, and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirement document(s). The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, users should ensure that it is permissible for the equipment to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together.
This precaution can be particularly important in rural areas.
CAUTION:
Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate. The Ringer Equivalence Number (REN) of this device is 0.0B.
This product meets the applicable Industry Canada technical specifications. / Le présent matériel est conforme aux specifications techniques applicables d’Industrie Canada.
Notice: The Ringer Equivalence Number (REN) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the
Ringer Equivalence Number of all the devices does not exceed five (5.0). / L’indice d’équivalence de la
140 Appendix C Regulatory information ENWW
sonnerie (IES) sert à indiquer le nombre maximal de terminaux qui peuvent être raccordés à une interface téléphonique. La terminaison d’une interface peut consister en une combinaison quelconque de dispositifs, à la seule condition que la somme d’indices d’équivalence de la sonnerie de tous les dispositifs n’excède pas cinq.
The standard connecting arrangement code (telephone jack type) for equipment with direct connections to the telephone network is CA11A.
Vietnam Telecom wired/wireless marking for ICTQC Type approved products
ENWW Additional statements for telecom (fax) products 141
Additional statements for wireless products
FCC compliance statement—United States
Exposure to radio frequency radiation
CAUTION:
The radiated output power of this device is far below the FCC radio frequency exposure limits.
Nevertheless, the device shall be used in such a manner that the potential for human contact during normal operation is minimized.
In order to avoid the possibility of exceeding the FCC radio frequency exposure limits, human proximity to the antenna shall not be less than 20 cm (8 in) during normal operation.
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
CAUTION:
Based on Section 15.21 of the FCC rules, changes of modifications to the operation of this product without the express approval by Hewlett-Packard Company may invalidate its authorized use.
Australia statement
This device incorporates a radio-transmitting (wireless) device. For protection against radio transmission exposure, it is recommended that this device be operated no less than 20 cm from the head, neck, or body.
Brazil ANATEL statement
Este equipamento opera em caráter secundário, isto é, não tem direito à proteção contra interferência prejudicial, mesmo de estações do mesmo tipo, e não pode causar interferência a sistemas operando em caráter primário.
Canadian statements
For Indoor Use. This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the radio interference regulations of the Canadian Department of
Communications. The internal wireless radio complies with RSS 210 of Industry Canada.
Pour l´usage d´intérieur. Le présent appareil numérique n´émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de Classe B prescribes dans le règlement sur le brouillage radioélectrique édicté par le Ministère des Communications du Canada. Le composant RF interne est conforme à la norme CNR-210 d´Industrie Canada.
Products with 5 GHz Operation Industry of Canada
CAUTION:
When using IEEE 802.11a wireless LAN, this product is restricted to indoor use, due to its operation in the 5.15- to 5.25-GHz frequency range. Industry Canada requires this product to be used indoors for the frequency range of 5.15 GHz to 5.25 GHz to reduce the potential for harmful interference to cochannel mobile satellite systems. High-power radar is allocated as the primary user of the 5.25- to 5.35-GHz and 5.65- to 5.85-GHz bands. These radar stations can cause interference with and/or damage to this device.
Exposure to Radio Frequency Radiation (Canada)
WARNING!
Exposure to Radio Frequency Radiation. The radiated output power of this device is below the
Industry Canada radio frequency exposure limits. Nevertheless, the device should be used in such a manner that the potential for human contact is minimized during normal operation.
142 Appendix C Regulatory information ENWW
To avoid the possibility of exceeding the Industry Canada radio frequency exposure limits, human proximity to the antennas should not be less than 20 cm (8 inches).
European Union regulatory notice
The telecommunications functionality of this product may be used in the following EU and EFTA countries/ regions:
Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Romania, Slovak Republic, Slovenia, Spain, Sweden, Switzerland, and United Kingdom.
Notice for use in France
For 2.4 GHz Wireless LAN operation of this product certain restrictions apply: This equipment may be used indoor for the entire 2400-2483.5 MHz frequency band (channels 1-13). For outdoor use, only
2400-2454 MHz frequency band (channels 1-9) may be used. For the latest requirements, see www.arcep.fr
.
L'utilisation de cet equipement (2.4 GHz Wireless LAN) est soumise à certaines restrictions : Cet équipement peut être utilisé à l'intérieur d'un bâtiment en utilisant toutes les fréquences de 2400-2483.5 MHz (Chaine
1-13). Pour une utilisation en environnement extérieur, vous devez utiliser les fréquences comprises entre
2400-2454 MHz (Chaine 1-9). Pour les dernières restrictions, voir, www.arcep.fr
.
Notice for use in Russia
Существуют определенные ограничения по использованию беспроводных сетей (стандарта 802.11 b/ g) с рабочей частотой 2,4 ГГц: Данное оборудование может использоваться внутри помещений с использованием диапазона частот 2400-2483,5 МГц (каналы 1-13). При использовании внутри помещений максимальная эффективная изотропно–излучаемая мощность (ЭИИМ) должна составлять не более 100мВт.
Mexico statement
Aviso para los usuarios de México
“La operación de este equipo está sujeta a las siguientes dos condiciones: (1) es posible que este equipo o dispositivo no cause interferencia perjudicial y (2) este equipo o dispositivo debe aceptar cualquier interferencia, incluyendo la que pueda causar su operación no deseada."
Para saber el modelo de la tarjeta inalámbrica utilizada, revise la etiqueta regulatoria de la impresora.
ENWW Additional statements for wireless products 143
Taiwan statement
Korean statement
Vietnam Telecom wired/wireless marking for ICTQC Type approved products
144 Appendix C Regulatory information ENWW
Index
Symbols/Numerics
A
B
background shading,
bands and streaks,
billing filters
blank pages
blank scans, troubleshooting 94
buttons
test on touchscreen control
C
cables
calibration
carousel motor
cartridges
characters, troubleshooting 86
checklist
checklists
CIS (contact image sensor) scanner
cleaning
color alignment, calibrating 47
component tests
components
contact image sensor (CIS) scanner
button test 104 display test 103, 104
message types 66 messages, troubleshooting 66
controls
Copy menu
Copy Setup menu
copying
creases, troubleshooting 87 crooked pages 83, 87
customer support
D
data path
DC controller
circuit diagram 7 components 7
defaults
delivery delay jam
delivery stationary jam
development step
device
diagnostics menu
dialing
display
test on touchscreen control
document feeder
ENWW Index 145
operations 25 paper path 25 sensors 25
document feeder jam detection
door open jam
downstream device detection
drum cleaning
drums
E
electrical system
electronic hardware recycling 130
environmental stewardship
error messages
F
factory defaults, restoring
fax
billing (metering) tone filters 29
downstream current detection
hook switch control 29 line current control 29
pulse dialing 29 ring detect 29
safety isolation 28 safety protection circuitry 28
fax card
hook switch control 29 pulse dialing 29
Fax menu
fax security
security features, computer 27 security features, network 27
Fax Setup menu
fax subsystem
fax troubleshooting
feed system
feed system, document feeder 25
Finnish laser safety statement 136
fuser
fuser motor
fuser wrapping jam
fusing step
G
gray background, troubleshooting
H
hardware setup
high-voltage power supply (HVPS)
home find
hook state
HP Jetdirect print server
HP Web Services menu
HVPS (high-voltage power supply)
I
ID Copy menu
image formation
image processing system
image quality
initialization
input tray
interface ports
intermediate transfer belt (ITB)
146 Index ENWW
INTR (initial rotation) period 3
ITB (intermediate transfer belt)
J
jam detection
trailing edge detection, document
jams
Jetdirect print server
K
L
laser safety statements 135, 136
laser-beam exposure step
latent-image formation stage 14
LEDs test on touchscreen control
light print, troubleshooting 84
lightness
faded print, troubleshooting 84
location
loose toner, troubleshooting 85
low-voltage power supply (LVPS)
LVPS (low-voltage power supply)
M
main motor
Material Safety Data Sheet (MSDS)
media document feeder feeding
memory
memory chip, toner cartridge
menus
messages
motors
N
network configuring (touchscreen control
configuring for LCD control
Network Setup menu
networks
O
operations
fax 27 fax card in subsystem 27 fax subsystem 27 fax, PSTN 27
output quality
P
pages
blank 97 not printing 97 printing slowly 97
paper
document feeder feeding
paper input trays
paper jams
document feeder detection
error messages, document
trailing edge detection, document
paper path
paper pickup problems
photo sensors
photosensitive drum
ENWW Index 147
pickup and feed system
pickup stationary jam
ports
power
power connection
power-on
primary charging step
primary transfer step
printing
product
Q
quality
R
RAM (random access memory)
random access memory (RAM)
HP printing supplies returns and
regional versions
repetitive defects, troubleshooting
reports configuration (LCD control
configuration (touchscreen
demo page (LCD control panel)
demo page (touchscreen control
menu map (LCD control panel)
menu map (touchscreen control
print quality (LCD control panel)
print quality (touchscreen control
supplies status (LCD control
supplies status (touchscreen
usage (touchscreen control
Reports menu
resets
residual media jam
restoring
ring detect
rollers
S
safety
-protection circuitry, fax 28 isolation, fax 28
scan-to-computer
scanner
scanning blank pages, troubleshooting
94 quality, troubleshooting 94
secondary transfer
security features
Self Diagnostics menu
sensors
form sensor, document feeder
paper-present sensor, document
trailing edge detection, document
separation step
Service menu
Setup menu
size specifications, product 124
smeared toner, troubleshooting 85
software
software license agreement 117
solenoids
solving
feeding problems 83 skewed pages 83
specifications
electrical and acoustic 124 physical 124
specks, troubleshooting 84 spots, troubleshooting 84
148 Index ENWW
storing
supplies
support
switches
synchronousDRAM (dynamic
System Setup menu
systems
T
technical support
tests
toner
toner cartridges
trailing edge detection
troubleshooting
pages not printing 97 pages printing slowly 97
pages too dark 93 pages too light 93
touchscreen control-panel
U
USB port
V
vertical lines, troubleshooting 85
vertical white or faded stripes 93
voltages
W
wall find
warranty
wavy paper, troubleshooting 86
Web Services menu
Web sites
Material Safety Data Sheet
white or faded stripes,
wireless network
wireless network interference 102
ENWW Index 149
150 Index ENWW
© 2013 Hewlett-Packard Development Company, L.P.
www.hp.com
*CZ165-90944*
*CZ165-90944*
CZ165-90944
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