imaging & printing
technology
backgrounders
second half 2003
Network solutions: HP Deskjet 5800 series and HP PSC 2500 series
Technology summary
HP offers convenient home networking and built-in wireless capabilities in two new inkjet
products—the HP Deskjet 5800 series color inkjet printer and the HP PSC 2500 series Photosmart
all-in-one printer, flatbed fax, scanner, copier.
Built-in wired and wireless networking capabilities allow customers to connect the printer or all-inone directly to home, home-office and small-office networks—enabling multiple users to print from a
single device. The PSC 2500 series offers additional functionality with access to memory card
readers, flatbed scanning, and electronic fax transmission. Product features are accessible to all
computers on the network, so customers enjoy the same functionality available with a USB
connection.
Two solutions in one
Built-in wireless Wi-Fi (Wireless Fidelity) networking capabilities provide an ideal solution for home,
home-office and small-office networks and are particularly well suited for those using a wireless
router or home gateway to share an Internet connection. Both devices also offer wired networking
via embedded Ethernet connectivity. Embedded Ethernet allows small business, home, and homeoffice users on a wired network to easily share printing and/or all-in-one functions.
The combination of both wired and wireless networking1 in the same product offers customers
flexibility as their home- or small-office networks grow or evolve over time. With support for the
leading industry standards—Ethernet and Wi-Fi— HP Deskjet 5800 and PSC 2500 series offer
excellent integration, simplicity, and compatibility for home environments with multiple computers.
This document briefly discusses wired networking capabilities offered with the Deskjet 5800 and
PSC 2500 series first, followed by a more detailed discussion on wireless networking options.
Network configuration tools and product features are outlined in the Appendix.
Wired networking
What is it?
HP Deskjet 5800 and PSC 2500 series offer embedded Ethernet capabilities that allow multiple
users on a wired network to print from the device. In addition to printing, the PSC 2500 series
offers network users access to memory card readers, scanning, and other all-in-one functions.
1
Only one networking method, either wired or wireless, is available at any given time. When an Ethernet
cable is connected to the printing device, the wireless radio is automatically turned off. It can only be turned
on when the Ethernet cable is removed. The USB port is always active and can be used simultaneously with
one of the networking methods.
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Embedded Ethernet allows customers to connect the printer or all-in-one directly to an Ethernet
network. Customers simply connect an Ethernet cable between the printer or all-in-one and their
home, home-office, or small-office router and then run the installation software. On-screen
instructions provide easy step-by-step installation—no specialized networking skills are required.
How does it work?
HP Deskjet 5800 and PSC 2500 series feature
a built-in Ethernet port that allows users to
connect the device directly to a 10/100 BaseT Ethernet network with an Ethernet cable.
The device can be connected to an Ethernet
network via a network hub, a switch, or a
router. With the unit powered on, users simply
connect the device to an available port on the
network hub or router. Once the device is
connected, the user simply runs the installation
software on each of the computers on the
network.
The Ethernet port on Deskjet 5800 and PSC 2500
series can be connected to an Ethernet-only router
or a wireless router with an available Ethernet port.
HP Deskjet 5800 and PSC 2500 series are
designed to operate on networks that use a
popular protocol called TCP/IP or
Transmission Control Protocol/Internet
Protocol. TCP/IP is also the network
communication protocol used on the Internet.
HP recommends using DHCP (Dynamic Host
Configuration Protocol) to automatically assign
the correct TCP/IP configuration to the printer
or all-in-one. Most routers use a built-in DCHP
feature to assign IP addresses.
Wireless networking
What is it?
HP Deskjet 5800 and PSC 2500 series include built-in wireless networking support for up to five
users. Customers can connect the printer or all-in-one directly to a wireless network without using an
external print server. Wireless networking allows customers with a wireless router and a notebook
or desktop computer with a wireless card to print via a wireless connection—there’s no need for a
cable between the computer and the device. The PSC 2500 series also offers access to wireless
scanning, memory card readers, and electronic fax transmission from a wireless computer.
How does it work?
Built-in wireless communications allow customers to connect the printer or all-in-one directly to a WiFi network. Users simply need a Wi-Fi router and a notebook or desktop computer with a Wi-Fi
card or adapter to access device functions wirelessly.
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Wi-Fi is a wireless communications technology that allows home and office users to connect
computers, printers, and other devices to each other and the Internet without the use of wires.
wires.
Deskjet 5800 and PSC 2500 series offer embedded 802.11b, which is also compatible with
802.11g-compliant devices. 802.11b and 802.11g are variations of the IEEE 802.11 family of
specifications. Both variations work in the 2.4 GHz radio frequency spectrum. 802.11b transmits
data up to 11 Mbps. 2
Two communication modes are
typically used to connect devices to a
wireless network: infrastructure mode,
and ad hoc mode. The major
difference between these two methods
is that infrastructure mode uses an
intermediary device that allows
wireless devices to communicate with
one another; ad hoc mode does not.
HP recommends using infrastructure
mode with the Deskjet 5800 and PSC
2500 series. Infrastructure mode
communicates with other devices on
the network, regardless of whether the
devices are wired or wireless,
The Deskjet 5800 and PSC 2500 series can connect wirelessly
through a wireless access point. The
to a wireless router. In infrastructure mode, a wireless
access point facilitates
access point aids communication between devices.
communication between network
devices. Wireless routers, base
stations, and gateways all have a built-in access
point, in addition to Ethernet ports.
In ad hoc communication mode, devices
communicate directly with other wireless devices
without using an access point. Ad hoc, or peer-topeer networks are typically small and simple, such as
two wireless computers, or a wireless computer and a
wireless printer. HP recommends this mode only for
advanced users , as it requires additional steps
during installation. The use of an access point,
available with infrastructure mode, simplifies the
installation process.
In ad hoc or peer-to-peer mode, devices
communicate directly with other wireless
devices.
2
802.11g—the newest wireless specification—offers higher performance than 802.11b. While customers
with an 802.11g wireless network can connect to the Deskjet 5800 and PSC 2500 series, they will not be
able to take advantage of the full range of speeds provided with 802.11g. This is a function of the 802.11g
specification, which ensures compatibility between 802.11b and 802.11g devices. For many home- and
small-office networks, this reduction in throughput will be unnoticed as the available throughput will still meet
the needs of all but the busiest networks. To maximize speeds on an 802.11g network, customers can use the
devices’ built-in Ethernet port.
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Wireless network settings
Devices on a wireless network share certain settings, such as the communication mode, a network
name, and security settings. A complete set of network settings is called a wireless profile.
Wireless profile—a wireless profile is a set of network settings unique to a given wireless network.
A wireless device may have wireless profiles for several wireless networks. In order to use a printer
or other device, a computer must be set to the profile for the device’s wireless network. For
example, a laptop that is used both at work and at home might have one profile for a wireless
network at work and another profile for a wireless network at home. Printing devices, which
typically do not move between work and home, do not support multiple profiles.
Communication mode—Infrastructure or ad hoc mode (see above).
Network name—a network name, or “Service Set Identifier (SSID),” identifies a particular wireless
network. It is an alphanumeric, case-sensitive character string that provides basic access control to
a wireless network. In order to operate on a network, a device must be set to the network's network
name.
Network security
HP Deskjet 5800 and PSC 2500 series offer the latest advancements in wireless network security:
WEP—Wired Equivalent Privacy provides security by encrypting data sent over radio waves from
one wireless device to another. WEP encodes data sent across the network, making it unintelligible
to eavesdroppers. All devices on the network, including the printing device, must share the same
WEP settings to communicate with each other.
WPA—Like WEP, WPA or Wi-Fi Protected Access (formerly known as Temporal Key Integrity
Protocol or TKIP), provides security by encrypting data sent over radio waves from one wireless
device to another. Unlike WEP, WPA automatically changes the encryption keys after a certain
time interval (see Authentication below). This makes wireless networks less vulnerable to intrusion
and provides a higher level of security. Devices must have the same WPA settings as the printer or
all-in-one in order to communicate with it. Customers can use the printer or all-in-one's embedded
Web server to configure it to use WPA (see the section on embedded Web servers).
Authentication—For wireless networks with authentication, devices use a shared key as a password
and communicate only with devices that know the key. A device that does not know the key cannot
access the network. Authentication is a function of WPA-enabled networks, and is optional for
WEP-enabled networks. If authentication is not used, the network is referred to as an “Open
System” and authentication is not required for devices to access the wireless network.
Wireless network installation
The following network information is needed to install a printer or all-in-one on a wireless network:
•
•
•
The communication mode (for example, infrastructure)
SSID (Service Set Identifier)
Security settings (for example, WEP or WPA encryption)
The Setup Poster and installation software included with Deskjet 5800 and PSC 2500 series guide
the user through the installation process.
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An Ethernet cable is included in-box with both products. The cable is used for wired and wireless
network installations to simplify the installation process. During the initial connection, the software
obtains network settings and other important information needed to install the printer or all-in-one
on a wireless network. Once the setup process is complete, the cable is removed and the device
automatically converts to a wireless connection (see the section on wireless installation in the
Appendix for more information)
How do network solutions offered with HP Deskjet 5800 and PSC 2500 series
benefit customers?
HP Deskjet 5800 and PSC 2500 series offer wired and wireless network solutions. Networking
offers customers a range of benefits—some of which are common to both wired and wireless
solutions—and others which are unique to the specific method (wired or wireless):
Benefits common to both wired and wireless networking:
•
•
•
•
Convenience—up to five network users can access printing and all-in-one functions without
sacrificing convenience or impacting productivity
Simple installation—the device software provides step-by-step instructions—no specialized
networking skills are required for installation on a network with a home- or small-office router
Support for mixed operating system environments—customers can have both PC and Macintosh
computers on the same network
Saves space—no need for each user to make space on their desktop for a printer or all-in-one
Benefits unique to wireless (Wi-Fi) networks:
•
•
•
•
Flexible—customers can locate the printer or all-in-one wherever they want—there is no need to
place the device next to the network router or access point
Reduces cable clutter—helps keep home-office and small-office environments tidy and
organized with fewer wires and cables
Easy to move—simplifies moving from one location to another with fewer wires to relocate
Versatile—for wired users considering wireless in the future, the built-in wireless feature is
always ready when needed
Benefits unique to wired (Ethernet) networks:
•
•
•
Eliminates signal interference—wireless signals from cordless phones, microwave ovens or
other devices won’t affect network performance
Optimal throughput—takes full advantage of 802.11g network capabilities when the printer or
all-in-one is the only 802.11b device on the network3
Secure—provides the highest level of network security; no eavesdropping on wireless signals4
In a mixed 802.11g and 802.11b environment, any 802.11b device such as a printer or computer will
reduce network throughput. In this case, speeds for 802.11g devices will be below standard 802.11g speeds
but greater than 802.11b speeds. The reduction in throughput, a feature of the 802.11g specification,
ensures compatibility between 802.11b and 802.11g devices. For many home- and small-office networks, this
reduction in throughput will be unnoticed as the available throughput will still meet the needs of all but the
busiest networks.
4
All devices on the network, including computers, must have a wired connection to achieve this level of
security.
3
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Appendix: Network tools and features
HP Deskjet 5800 and PSC 2500 series feature a variety of tools for setting up the printer or all-inone on wired or wireless home, home-office and small-office networks.
Wireless networking offers unique benefits, such as allowing notebook computer users the freedom
to move from one area to another in the home and still be connected to the Internet and the printer
or all-in-one (within range). However, wireless networks require additional settings and
configuration parameters, particularly when recommended security features are used.
There are multiple tools available to configure the printer or all-in-one on a wireless network, as
shown in the following table:
•
•
•
•
Installation software—performs software discovery, a process in which the installation software
‘discovers’ the device on the network and sets common networking parameters. Software
discovery is required for all installations.
Embedded Web Server (EWS)—a web page inside the printer or all-in-one that configures
wireless and network settings, including WPA, and provides device information.
Front panel features—buttons, indicator lights, and menu selections featured with Deskjet 5800
and PSC 2500 series.
Default settings—settings that ship with the device
Wireless network configuration tools and settings
Installation
software
WIRELESS
RADIO
ON/OFF
COMMUNICATION
MODE:
INFRASTRUCTURE OR
AD HOC
NETWORK
NAME
(SSID)
WEP
SECURITY
√
√
√
√
√
√
√
√
Embedded
web server
WPA
SECURITY
Front panel
features
√
Default settings:
Deskjet 5800
On
None5
None
(see Note 5)
None
None
Default settings:
PSC 2500 series
Off6
Ad hoc (see note 6)
hpsetup
(see Note 6)
None
None
To simplify wireless installation, the Deskjet 5800 series automatically associates with the strongest wireless
network signal (infrastructure or ad hoc mode) that does not have encryption or authentication enabled.
6
Settings ensure that an unauthorized user cannot access the memory card readers when the HP PSC 2500
series is turned on.
5
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Wireless network installation
The table below outlines the configuration tools used and the steps to follow to add the Deskjet
5800 or PSC 2500 series to an existing wireless network:
NETWORK
WEP-enabled
infrastructure
wireless network
CONFIGURATION TOOLS
CONFIGURATION STEPS
Installation software
Ethernet setup cable
Connect the Ethernet setup cable before you
install the software, according to the
instructions in the Setup Poster. Install the
software and follow the on-screen instructions.
The software:
•
•
Note: The Ethernet setup
cable connects the device to
the wireless router or access
point. It allows the software
to read the current network
settings: infrastructure, SSID,
and whether WEP is
enabled. The Ethernet cable
simplifies the installation
experience.
WPA-enabled
infrastructure
wireless network
•
•
•
•
•
•
•
•
Note: The PSC 2500 series ships with the
wireless radio set to off; the Deskjet 5800
series ships with the wireless radio on.
Embedded Web Server
(EWS)
Installation software
Ethernet setup cable
WPA settings must be configured manually
using the EWS before you install the software.
To install the printer or all-in-one on a WPAenabled network:
•
•
•
•
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Turns the wireless radio on (PSC 2500)
Sets the device to infrastructure mode
Sets the network name (SSID)
Prompts you to enter your WEP encryption
key (once it determines that WEP is
enabled)
Prompts you to remove the Ethernet setup
cable
7
Connect the Ethernet setup cable to the
network router or hub and wait
momentarily for the network link to be
established.
Use the device’s EWS to enter the
network WPA settings. You can access
the EWS by launching the computer’s
Web browser and entering either the
device IP address or host name in the
browser's address box. The IP address or
host name are available from the network
configuration page (see the section on the
EWS for more information).
Unplug the Ethernet cable from the printer
or all-in-one.
Install the software and follow the onscreen instructions. The software performs
the same tasks listed above (except WEP
is not used).
second half 2003
Additional computers on the network
To add the printer or all-in-one to additional computers on the network, install the software on each
computer that will access the device according to the steps in the Setup Poster. The Ethernet setup
cable and network settings are not required as the device is already configured on the network.
Note: The installation CD software only allows for wired and wireless infrastructure configuration.
The embedded Web server must be used to create an ad hoc network between the printer or all-inone and a wireless computer. This setup is only recommended for advanced users.
Installation software
DeskJet 5800 and PSC 2500 series ship with one software CD. While the CD is different for each
product, both offer the following installation options and features:
•
•
•
•
•
Connect via USB or a network
If network, the option of wired or wireless
Automatic discovery of the product on the network
If wireless, automatic configuration of common parameters
Installation of all drivers and the HP photo and imaging software
Embedded web server (EWS)
Deskjet 5800 and PSC 2500 series feature internal web
pages that can be accessed with a web browser. The
embedded web server (EWS) provides a simple way to
manage the printer or all-in-one on a network. Customers
can use the device’s EWS to:
•
•
•
Check device status
Adjust network configurations
Configure the device’s wireless security settings
Before using the printer or all-in-one's internal Web page,
users should verify that the device and the computer are powered on and connected to the network.
To open the device’s internal Web page, users simply launch their Internet browser (Microsoft
Internet Explorer 5.0 or higher or Netscape 4.75 or higher) and enter either the device IP address
or host name in the browser's address box. The IP address or host name are available from the
network configuration page (see the section on front panel features).
Both devices display the same EWS. The only difference is that the HP PSC 2500 EWS has a scan
button on its home page. The scan button can be used for basic image scanning if the complete HP
Photo and Imaging Software is not installed on a networked computer. The feature offers limited
scanning options and is not recommended for typical scanning purposes.
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Front panel features
HP PSC 2500 series
The front panel on the PSC 2500 series has a color LCD
display and front panel buttons for accessing and
viewing the network menu. Network menu options allow
users to print a network configuration page, turn the
wireless radio on or off, and restore wireless defaults.
To view the Network menu, press the
Setup button on the front panel, then
press 6 on the numeric keypad to
bring up the Network menu.
HP Deskjet 5800 series
The Deskjet 5800 has a network
button on the front panel. An icon on
the network button illuminates when
the printer is connected to an Ethernet network, an active wireless network, or a computer or other
wireless device. The icon is off when the printer is not connected to a wired or wireless network.
Once the printer is connected and powered on, users can print a network configuration page
simply by pressing the network button once. The network configuration page supplies useful
information about the printer’s network connection type (wired or wireless), host name, IP address,
configuration source and other details.
Network button
Network icon
Network lights
Ethernet
HP Deskjet 5800 and PSC 2500 series have lights on the
back panel Ethernet port that indicate the status of the
Ethernet connection. The Link light is solid when the device
is connected to an Ethernet network and powered on. The
Activity light flashes when data is being received or
transmitted over the Ethernet connection.
HP PSC 2500 series
The PSC 2500 series has a blue light in
the scanner lid. The light is on whenever
a network connection is active, either
wired or wireless.
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Network connection light:
PSC 2500 series
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HP Deskjet 5800 series, wireless
The Deskjet 5800 series has a blue Wireless Status
light on the top panel that indicates the status of the
printer's internal wireless communications radio. The
light is on when the printer is able to receive and
transmit data wirelessly, flashes when the printer is
receiving data, and off when the printer is unable to
receive or transmit data wirelessly.
Wireless Status light:
Deskjet 5800 series
Network features
Printing
When connected to a wireless or wired Ethernet
network, Deskjet 5800 and PSC 2500 series can
accept multiple print jobs sent from multiple users. Print
jobs are printed in the order received. Up to five users
can be connected at the same time. Print jobs can be sent simultaneously from up to four users. If
more than four users send print jobs to the printer or all-in-one at the same time, jobs from the fifth
user must be re-sent.
HP Deskjet 5800 and PSC 2500 series also support 802.11b wireless printing from iPaq models
with PocketPC 2002 OS and hp mobile printing for PocketPCs.
Scanning
All network users can use the PSC 2500 series to scan. A scan can be initiated from a computer or
from the PSC 2500. If the scan is initiated from a computer, the scanner is ‘reserved’ before the
user walks over to the PSC 2500. The user simply places the original on the scanner glass and
presses the Scan button. The scan is sent to the computer that reserved it. The scan reservation
automatically expires in 90 seconds.
Users also have the option to initiate a scan from the PSC 2500 series front panel by walking over
to it and placing their original on the scanner glass, much as they would to make a copy. Built-in
menus on the PSC 2500 series make scanning from the device easy and fast.
Choose Select Computer
Select a computer on the
network. (It’s easy to give
each computer a
‘friendly’ name, e.g.,
John’s PC or Mary’s PC.)
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Select the destination
application for the scan
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Memory card reader access
Network users can transfer memory card files to a networked computer using the Photo button on
the PSC 2500 series front panel. Since memory cards appear as a “drive” on a networked
computer, users also have the option to move card files to a folder on a networked computer using
Windows Explorer. The network connection uses a Common Internet File System (CIFS) server to
allow users to read and write files over the network to the all-in-one.
Due to slower file transfer rates—about 40kB per second over a network compared with about
450kB per second for USB—transferring memory card files via a network connection is best suited
for a limited number of photos. Users can expect file transfers over a network to take 4-5 minutes
for every 10MB of photos transferred. Other device functions, such as printing or scanning are
available to network users during this time, however. For faster file transfer, or to transfer a larger
number of images, customers can use a USB connection. Other computers can connect to the PSC
2500 series via a network connection at the same time.
E-mailing photos without a computer
Networked PSC 2500 series users can e-mail digital photos directly from the all-in-one using a
memory card and the control panel—no computer is required. Scanned photos, children’s artwork,
or a handwritten note can also be sent. E-mail addresses are configured through software and are
stored in the PSC 2500 series memory. The photos are sent through the network to the router’s
Internet connection, and then over the Internet to the HP Instant Share web site. The HP Instant
Share service e-mails photos without large attachments or slow downloads for the recipient. HP
Instant Share is also available from the HP photo and imaging software on networked computers.
Faxing
All network users can use the PSC 2500 series to send an electronic fax across the network to the
all-in-one, which then sends the fax through the unit’s fax modem. To fax an electronic document
from Microsoft Word, select File and then select Print. For the printer name, select hp psc 2500
series fax. Press OK and follow the on-screen prompts to enter the fax number and other
information. Faxing can also be accomplished from the HP Director software by selecting “Send a
Fax” and following the on-screen prompts. See the technology backgrounder on HP Image Zone
photo and imaging software for more information.
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