REVISION 0
OCT. 1998
QY8-1360-000
COPYRIGHT  1998 CANON INC. CANON BJC-7100 1098 AB 5.00-0 PRINTED IN JAPAN (IMPRIME AU JAPON)
1098 AB 5.00-0
Target Readers
This manual is published by Canon Inc. for qualified persons and contains the necessary technical
information for technical theory, installation, maintenance, and repair of products. This manual covers
all localities where the products are sold. For this reason, it may contain information that does not
apply to your locality.
Revisions
This manual may include technical inaccuracies or typographical errors due to improvements or
changes in the products. When amendments are made to the content of this manual, Canon will issue
technical information as the need arises. In the event of major alterations to the content of this manual
over a long or short period, Canon will publish a revised version of the manual.
The following paragraph does not apply to any countries where such provisions are
inconsistent with the local law.
Trademarks
The product names and company names appearing in this manual are the registered trademarks or
trademarks of the individual companies.
Copyright
This manual is copyrighted and all rights reserved. Under the copyright laws, this manual may not be
copied, reproduced, or translated into other languages, in whole or in part, without the express written
consent of Canon Inc. except in the case of internal business use.
Copyright  1998 by Canon Inc.
CANON INC.
BJ Products Quality Support Dept.
16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213, Japan
This manual was produced on an Apple Macintosh Power Mac 7300/180 personal computer and Apple
LaserWriter II NTX-J laser beam printer; final pages were printed on Agfa SelectSet Avantra 25.
A YANO 640MO drive system NJ640MO with MITSUBISHI MO disk cartridge MR230M1 were used for
storing large volumes of page layout and graphic data for this manual.
All graphics were produced with MACROMEDIA FREEHAND 7.0J.
All documents and all page layouts were created with QuarkXPress 3.3J.
I. ABOUT THIS MANUAL
This manual is divided into five parts containing the information required for servicing the BJC7100 printer.
Part 1: Safety and Precautions
This part contains information on how to service the unit safely. It is very important, and
must be read.
Part 2: Product Specifications
This part outlines the product and its specifications.
Part 3: Operating Instructions
This part explains how to operate the unit properly, how it is installed, and how to use
the service mode.
Part 4: Technical Reference
This part outlines the unit operation giving a technically.
Part 5: Maintenance
This part explains maintenance of the unit. It includes details of disassembly/assembly,
adjustments required when assembling, troubleshooting procedures, and wiring/circuit
diagrams, etc.
This manual does not contain complete information required for
disassembling and assembling the BJC-5500 printer. Please also refer to the
separate Parts Catalog.
I
II. TABLE OF CONTENTS
Part 1: SAFETY AND PRECAUTIONS
Page
1- 1
1- 1
1- 2
1- 3
1- 3
1- 4
1- 5
1- 6
1- 7
1- 7
1- 7
1- 7
1- 8
1- 8
1- 9
1- 9
1- 9
1- 9
1 -10
1 -10
1 -10
1 -11
1 -11
1 -12
1 -12
1 -13
1 -13
1 -14
1 -15
1 -15
1 -15
1 -15
1. SAFETY PRECAUTIONS
1.1 Moving Parts
1.2 Front Cover
1.3 Ink Stains
1.3.1 Ink path
1.3.2 Ink mist
1.4 Live Parts
1.5 BJ Cartridge Metal Plate
2. MACHINE PRECAUTIONS
2.1 BJ Cartridge Handling
2.1.1 Unpacking the BJ cartridge
2.1.2 BJ cartridge protection
2.1.3 Power on/off
2.1.4 When not using the printer
2.1.5 Ink electroconductivity
2.2 Ink Tank Handling
2.2.1 Unpacking the ink tank
2.2.2 Preventing clogging
2.3 Printer Handling
2.3.1 Spurs
2.3.2 Damage due to static electricity
2.3.3 Ink Leakage and dry-out
2.3.4 Carrying the printer
3. NOTES ON SERVICING
3.1 EEPROM Data
3.2 Service Mode of Printer Driver
3.3 Protecting the Power Supply
3.4 Static Electricity
3.5 Disassembly and Assembly
3.5.1 Parts that cannot be disassembled
3.5.2 Parts requiring careful attention during disassembly and assembly
3.6 Self-Diagnosis
2- 1
2- 1
2- 2
2- 3
2- 3
2- 4
2- 5
2- 5
2- 6
2- 6
2- 6
2- 6
2- 7
2- 7
2 -10
2 -10
Part 2: PRODUCT SPECIFICATIONS
1. PRODUCT OUTLINE
1.1 Outline
1.2 Features
1.3 BJ Cartridge
1.3.1 Black BJ cartridge (BC-60)
1.3.2 Photo BJ cartridge (BC-62e Photo)
1.3.3 Color BJ cartridge (BC-61)
1.3.4 BJ cartridge vs print mode
1.4 SB-60 BJ Cartridge Container
1.5 Consumables
1.5.1 BJ cartridge
1.5.2 Ink tank
2. SPECIFICATIONS
2.1 General Specifications
2.2 Paper Specifications
2.2.1 Paper types
II
Page
2 -11
2 -12
2.2.2 Printing range
2.3 Interface Specifications
Part 3: OPERATING INSTRUCTIONS
3- 1
3- 1
3- 2
3- 3
3- 3
3- 3
3- 4
3- 6
3- 7
3- 8
3- 8
3- 8
3- 9
3 -10
3 -12
3 -12
3 -13
3 -14
3 -14
3 -14
3 -15
3 -16
3 -17
3 -17
3 -18
3 -19
3 -19
3 -20
3 -20
3 -21
3 -22
3 -22
3 -23
3 -23
3 -24
1. PRINTER SETUP
1.1 Unpacking
1.2 Installation Location
1.3 Installation
1.3.1 Connecting the interface cable
1.3.2 Connecting the power supply
1.3.3 Installing the BJ cartridge
1.3.4 Replacing the ink tanks
1.3.5 Cartridge container [SB-60]
1.4 Turning Printer Power On and Off
1.4.1 Turning the power on
1.4.2 Turning the power off
1.5 Loading Printer Paper
1.6 Names of Parts and Their Functions
2. TRANSPORTING THE PRINTER
2.1 Transporting the Printer
2.2 Manual Capping
3. PRINTER SERVICING FUNCTIONS
3.1 Error Indications
3.1.1 Operator call errors
3.1.2 Service calls
3.2 Warning Indications
3.3 Function Settings
3.3.1 Items set by control function
3.3.2 Service mode of printer driver
3.4 EEPROM
3.5 Cleaning the BJ Cartridge
3.6 Test Printout
3.7 Pickup Roller Cleaning Function (HR-101)
3.8 Service Mode
3.8.1 Final factory test pattern
3.8.2 Resetting EEPROM data
3.8.3 Printing EEPROM data
3.8.4 Setting destination country
3.8.5 Other Function
444444444444-
1. OVERVIEW
1.1 Printer Block Diagram
1.2 Initial Flowchart
1.3 Print Signal Sequence
1.4 BJ Cartridge Drive
1.4.1 Print drive control
1.5 Power-Off Sequence Flowchart
2. FIRMWARE
2.1 Interface
2.1.1 Compatible mode
2.1.2 Nibble mode
2.1.3 ECP mode
Part 4: TECHNICAL REFERENCE
1
1
2
3
4
4
5
6
6
6
7
7
III
Page
4- 8
4- 9
4- 9
4- 9
4- 9
4 -10
4 -11
4 -11
4 -11
4 -11
4 -11
4 -12
4 -13
4 -13
4 -14
4 -15
4 -15
4 -19
4 -21
4 -22
4 -24
4 -28
4 -29
4 -29
4 -30
4 -33
4 -33
4 -34
4 -36
4 -36
4 -38
4 -39
4 -39
4 -40
4 -40
4 -41
4 -45
4 -45
4 -45
4 -46
4 -46
4 -48
4 -48
4 -48
4 -48
2.2 Print Modes
2.2.1 Plain paper optimized printing mode (P-POP)
2.2.2 Economy print mode (Draft mode)
2.2.3 Standard mode
2.2.4 High quality and fine mode
2.2.5 Print mode settings
2.3 Smoothing Function
2.4 Print Optimization Controls
2.4.1 Power monitor
2.4.2 Head sticking prevention
2.4.3 Ink smear prevention
2.5 Head Overheat Protection
3. PRINTER'S MECHANICAL SYSTEM
3.1 Overview
3.1.1 Structure of printer's mechanical system
3.2 BJ Cartridge
3.2.1 BJ Cartridge structure
3.2.2 Structure of BJ head unit
3.2.3 Nozzle arrays
3.2.4 Signal contacts
3.2.5 Drive circuit
3.2.6 BJ cartridge detection
3.3 Purge Unit
3.3.1 Function of purge unit
3.3.2 Structure of purge unit
3.4 Carriage
3.4.1 Carriage functions
3.4.2 Carriage structure
3.5 Paper Feed/Sheet Feeder Mechanism
3.5.1 Paper feed/sheet feeder mechanism functions
3.5.2 Paper feed/sheet feeder mechanism structure
4. PRINTER ELECTRICAL SYSTEM
4.1 Overview of Printer Electrical System
4.2 Logic
4.2.1 Logic block diagram
4.2.2 Logic components
4.3 Electrical System
4.3.1 Input power supply (AC adaptor)
4.3.2 Output voltages
5. DETECTION FUNCTIONS
5.1 Sensor-based Detection Functions
5.2 Miscellaneous Detection Functions
5.2.1 Waste-ink amount detection
5.2.2 BJ cartridge detection
5.2.3 Ink-out detection
Part 5: MAINTENANCE
555555-
1
1
1
1
1
2
1. MAINTENANCE
1.1 Parts for Periodic Replacement
1.2 Consumable Parts
1.3 Consumables
1.4 Periodic Maintenance
2. SERVICING TOOLS
IV
Page
5- 2
5- 3
5- 4
5- 4
5- 4
5- 4
5- 4
5- 5
5- 5
5- 5
5- 6
5- 7
5- 8
5- 8
5- 8
5- 8
5 -13
5 -13
5 -13
5 -13
5 -14
5 -14
5 -16
5 -37
5 -37
5 -39
5 -44
5 -44
5 -44
5 -45
5 -47
5 -47
2.1 List of Tools
3. APPLYING GREASE
4. DISASSEMBLY AND REASSEMBLY
4.1 Disassembly and Reassembly
4.2 Notes on Disassembly and Reassembly
4.2.1 Main cover
4.2.2 Carriage unit
4.2.3 Bearings at ends of support shaft
4.2.4 Purge unit and bottom case assembly
4.2.5 Securing idler pulley assembly screw
4.3 Waste Ink Absorbers
4.4 Assembling the Chassis
5. ADJUSTMENTS
5.1 Adjustment Locations
5.1.1 Adjusting registration
5.1.2 Checking and adjusting the head gap
6. TROUBLESHOOTING
6.1 Troubleshooting Overview
6.1.1 Overview
6.1.2 Troubleshooting cautions
6.2 Diagnosis
6.2.1 Diagnostic flow
6.2.2 Action
7. CONNECTOR LAYOUT AND SIGNAL ASSIGNMENT
7.1 Logic Board
7.2 Carriage Board
8. CIRCUIT DIAGRAMS
8.1 Parts Layout
8.1.1 Logic board
8.1.2 Carriage board
8.2 Circuit Diagrams
8.2.1 Logic board
V
III. ILLUSTRATION INDEX
Part 1: SAFETY AND PRECAUTIONS
Page
1- 1
1- 2
1- 3
1- 4
1- 4
1- 5
1- 6
1- 7
1- 8
1- 9
1- 9
1 -10
1 -10
1 -11
1 -11
1 -13
1 -14
1 -15
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
2- 1
2- 3
2- 4
2- 5
2- 6
2- 6
2 -11
2 -18
2 -18
2 -18
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
3- 1
3- 2
3- 3
3- 3
3- 4
3- 4
3- 5
3- 6
3- 6
3- 7
3- 8
3- 9
3 -10
3 -11
3 -12
3 -13
3 -14
3 -17
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
1- 1
1- 2
1- 3
1- 4
1- 5
1- 6
1- 7
1- 8
1- 9
1 -10
1 -11
1 -12
1 -13
1 -14
1 -15
1 -16
1 -17
1 -18
The Printer's Moving Parts
Front Cover
Ink Path
BC-62e Photo and BC-61
Ink Mist
AC Adapter
BJ Cartridge Metal Plate
Removing the BJ Cartridge Cap and Tape
BJ Cartridges
Removing the Ink Tank Cap
The Ink Outlets on Ink Tank
Spurs
Contacts
Capping Position
Carrying the Printer
Protecting the Power Supply
Electrical System of Printer
Parts that Cannot be Disassembled
Part 2: PRODUCT SPECIFICATIONS
2- 1
2- 2
2- 3
2- 4
2- 5
2- 6
2- 7
2- 8
2- 9
2 -10
Printer Appearance
Black BJ Cartridge (BC-60)
Photo BJ Cartridge (BC-62e Photo)
Color BJ Cartridge (BC-61)
BJ Cartridge (SB-60)
Ink Tanks
Printing Area
Compatible Mode
Nibble Mode
ECP Mode
Part 3: OPERATING INSTRUCTIONS
3- 1
3- 2
3- 3
3- 4
3- 5
3- 6
3- 7
3- 8
3- 9
3 -10
3 -11
3 -12
3 -13
3 -14
3 -15
3 -16
3 -17
3 -18
Packaging
Printer Dimensions
Connecting the Interface Cable
Connecting the Power Supply
Removing Cap and Tape from BJ Cartridge
Installing BJ Cartridges
Checking Print Head Alignment
Replacing the Ink Tank
Removing Protective Cap from Ink Tank
Cartridge Container SB-60
Incorrect Method of Powering Off
Paper Settings
Names of Parts and Their Functions (1)
Names of Parts and Their Functions (2)
Transporting the Printer
Manual Capping Method
Control Panel
Windows 95 Driver Control Sheet (Sample)
VI
Page
3 -18
3 -20
3 -22
3 -23
Figure
Figure
Figure
Figure
4- 1
4- 2
4- 3
4- 5
4- 6
4- 6
4- 7
4- 7
4- 9
4 -10
4 -11
4 -13
4 -15
4 -16
4 -17
4 -19
4 -19
4 -20
4 -21
4 -22
4 -24
4 -25
4 -32
4 -33
4 -35
4 -36
4 -37
4 -38
4 -39
4 -40
4 -43
4 -44
4 -45
4 -46
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
55555555555-
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
3 -19
3 -20
3 -21
3 -22
Hidden Control Sheet (Sample)
Nozzle Check Pattern (Sample)
Service Mode Test Print (Sample)
EEPROM Data Print (Sample)
Part 4: TECHNICAL REFERENCE
4- 1
4- 2
4- 3
4- 4
4- 5
4- 6
4- 7
4- 8
4- 9
4 -10
4 -11
4 -12
4 -13
4 -14
4 -15
4 -16
4 -17
4 -18
4 -19
4 -20
4 -21
4 -22
4 -23
4 -24
4 -25
4 -26
4 -27
4 -28
4 -29
4 -30
4 -31
4 -32
4 -33
4 -34
Printer Block Diagram
Flowchart of Initialization Sequence
Print Signal Sequence
Power-Off Sequence Flowchart
Bidirectional Centronics Specifications Selection Sequence
Interface Timing (Compatible Mode)
Interface Timing (Nibble Mode)
Interface Timing (ECP Mode)
Photo Print Mode (Image)
Print Mode Main Sheet (Sample)
Print Mode Detail Quality Sheet (Sample)
Printer's Mechanical System
Structure of BC-60
Structure of BC-61
Structure of BC-62e Photo
Structure of BC-60 BJ Head Unit
Structure of BC-61 BJ Head Unit
Structure of BC-62e Photo BJ Head Unit
Nozzle Arrays
Signal Contacts
Block Diagram of BC-60 Drive Circuit
Block Diagram of BC-61/BC-62e Photo Drive Circuit
Purge Unit
Carriage
Paper Feed Motor Drive Switching
Auto Platen-Head Gap Adjustment
Paper Feed Mechanism
Paper Separator
Printer Electrical System
Logic Board Block Diagram
Printer Block Diagram
Motor Drive Circuit
AC Adaptor Output Voltages
Sensor Positions
Part 5: MAINTENANCE
3
4
4
5
5
5
6
7
8
9
9
5- 1
5- 2
5- 3
5- 4
5- 5
5- 6
5- 7
5- 8
5- 9
5 -10
5 -11
Grease Points
Main Cover and Connector Cover
Releasing the Carriage Lock
Bearings at Ends of Support shaft
Purge Unit and Bottom Case Assembly
Tightening Idler Pulley Assembly Screw
Maintenance Jet and Waste Ink Absorbers
Tightening the Chassis Fixing Screws
Screws Influencing Head Gap
Measuring Sheet Setting 1
Measuring Sheet Setting 2
VII
Page
5 -10
5 -10
5 -11
5 -12
5 -37
5 -39
5 -44
5 -44
5 -45
5 -45
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
Figure
5 -12
5 -13
5 -14
5 -15
5 -16
5 -17
5 -18
5 -19
5 -20
5 -21
Thickness Gauge Setting
Check the Head Gap
Adjust the Head Gap 1
Adjust the Head Gap 2
Logic Board
Carriage Board
Logic Board (Face)
Component Board (Back)
Carriage Board (Face)
Carriage Board (Back)
VIII
IV. TABLE INDEX
Part 2: PRODUCT SPECIFICATIONS
Page
2- 5
2 -10
2 -12
2 -13
2 -13
Table
Table
Table
Table
Table
3- 9
3 -14
3 -15
3 -21
Table
Table
Table
Table
22222-
1
2
3
4
5
BJ Cartridge vs Print Mode
Paper Specifications
IO Signals Compatible Mode
IO Signals in Nibble Mode
IO Signals in ECP Mode
Part 3: OPERATING INSTRUCTIONS
3333-
1
2
3
4
Printer Paper Settings
Operator Calls
Service Calls
Service Mode
Part 4: TECHNICAL REFERENCE
4- 8
4 -10
4 -22
4 -27
4 -27
4 -28
4 -28
4 -30
4 -48
Table
Table
Table
Table
Table
Table
Table
Table
Table
5 -39
Table
444444444-
1
2
3
4
5
6
7
8
9
Number of Passes vs Number of Operational Head Nozzles
Main Default Print Mode Settings
BJ Head Input and Output Signals
AND Gate Contacts and IDATA Order
Electrode Connection Pins
Index Connections
Index Sensor Signals and BJ Cartridge Detection
Cleaning Conditions and Ink Consumption (Average)
Ink-out Detection Timing
Part 5: MAINTENANCE
5- 1
Contacts (DARK COL and LIGHT COL)
IX