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 BJC-

7100 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.

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II. TABLE OF CONTENTS

Part 1: SAFETY AND PRECAUTIONS

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

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

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2.2.2 Printing range

2.3 Interface Specifications

Part 3: OPERATING INSTRUCTIONS

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

Part 4: TECHNICAL REFERENCE

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

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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

1. MAINTENANCE

1.1 Parts for Periodic Replacement

1.2 Consumable Parts

1.3 Consumables

1.4 Periodic Maintenance

2. SERVICING TOOLS

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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

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Part 1: SAFETY AND PRECAUTIONS

Figure 1 - 1 The Printer's Moving Parts

Figure 1 - 2 Front Cover

Figure 1 - 3 Ink Path

Figure 1 - 4 BC-62e Photo and BC-61

Figure 1 - 5 Ink Mist

Figure 1 - 6 AC Adapter

Figure 1 - 7 BJ Cartridge Metal Plate

Figure 1 - 8 Removing the BJ Cartridge Cap and Tape

Figure 1 - 9 BJ Cartridges

Figure 1 -10 Removing the Ink Tank Cap

Figure 1 -11 The Ink Outlets on Ink Tank

Figure 1 -12 Spurs

Figure 1 -13 Contacts

Figure 1 -14 Capping Position

Figure 1 -15 Carrying the Printer

Figure 1 -16 Protecting the Power Supply

Figure 1 -17 Electrical System of Printer

Figure 1 -18 Parts that Cannot be Disassembled

Part 2: PRODUCT SPECIFICATIONS

Figure 2 - 1 Printer Appearance

Figure 2 - 2 Black BJ Cartridge (BC-60)

Figure 2 - 3 Photo BJ Cartridge (BC-62e Photo)

Figure 2 - 4 Color BJ Cartridge (BC-61)

Figure 2 - 5 BJ Cartridge (SB-60)

Figure 2 - 6 Ink Tanks

Figure 2 - 7 Printing Area

Figure 2 - 8 Compatible Mode

Figure 2 - 9 Nibble Mode

Figure 2 -10 ECP Mode

Part 3: OPERATING INSTRUCTIONS

Figure 3 - 1 Packaging

Figure 3 - 2 Printer Dimensions

Figure 3 - 3 Connecting the Interface Cable

Figure 3 - 4 Connecting the Power Supply

Figure 3 - 5 Removing Cap and Tape from BJ Cartridge

Figure 3 - 6 Installing BJ Cartridges

Figure 3 - 7 Checking Print Head Alignment

Figure 3 - 8 Replacing the Ink Tank

Figure 3 - 9 Removing Protective Cap from Ink Tank

Figure 3 -10 Cartridge Container SB-60

Figure 3 -11 Incorrect Method of Powering Off

Figure 3 -12 Paper Settings

Figure 3 -13 Names of Parts and Their Functions (1)

Figure 3 -14 Names of Parts and Their Functions (2)

Figure 3 -15 Transporting the Printer

Figure 3 -16 Manual Capping Method

Figure 3 -17 Control Panel

Figure 3 -18 Windows 95 Driver Control Sheet (Sample)

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Figure 3 -19 Hidden Control Sheet (Sample)

Figure 3 -20 Nozzle Check Pattern (Sample)

Figure 3 -21 Service Mode Test Print (Sample)

Figure 3 -22 EEPROM Data Print (Sample)

Part 4: TECHNICAL REFERENCE

Figure 4 - 1 Printer Block Diagram

Figure 4 - 2 Flowchart of Initialization Sequence

Figure 4 - 3 Print Signal Sequence

Figure 4 - 4 Power-Off Sequence Flowchart

Figure 4 - 5 Bidirectional Centronics Specifications Selection Sequence

Figure 4 - 6 Interface Timing (Compatible Mode)

Figure 4 - 7 Interface Timing (Nibble Mode)

Figure 4 - 8 Interface Timing (ECP Mode)

Figure 4 - 9 Photo Print Mode (Image)

Figure 4 -10 Print Mode Main Sheet (Sample)

Figure 4 -11 Print Mode Detail Quality Sheet (Sample)

Figure 4 -12 Printer's Mechanical System

Figure 4 -13 Structure of BC-60

Figure 4 -14 Structure of BC-61

Figure 4 -15 Structure of BC-62e Photo

Figure 4 -16 Structure of BC-60 BJ Head Unit

Figure 4 -17 Structure of BC-61 BJ Head Unit

Figure 4 -18 Structure of BC-62e Photo BJ Head Unit

Figure 4 -19 Nozzle Arrays

Figure 4 -20 Signal Contacts

Figure 4 -21 Block Diagram of BC-60 Drive Circuit

Figure 4 -22 Block Diagram of BC-61/BC-62e Photo Drive Circuit

Figure 4 -23 Purge Unit

Figure 4 -24 Carriage

Figure 4 -25 Paper Feed Motor Drive Switching

Figure 4 -26 Auto Platen-Head Gap Adjustment

Figure 4 -27 Paper Feed Mechanism

Figure 4 -28 Paper Separator

Figure 4 -29 Printer Electrical System

Figure 4 -30 Logic Board Block Diagram

Figure 4 -31 Printer Block Diagram

Figure 4 -32 Motor Drive Circuit

Figure 4 -33 AC Adaptor Output Voltages

Figure 4 -34 Sensor Positions

Part 5: MAINTENANCE

Figure 5 - 1 Grease Points

Figure 5 - 2 Main Cover and Connector Cover

Figure 5 - 3 Releasing the Carriage Lock

Figure 5 - 4 Bearings at Ends of Support shaft

Figure 5 - 5 Purge Unit and Bottom Case Assembly

Figure 5 - 6 Tightening Idler Pulley Assembly Screw

Figure 5 - 7 Maintenance Jet and Waste Ink Absorbers

Figure 5 - 8 Tightening the Chassis Fixing Screws

Figure 5 - 9 Screws Influencing Head Gap

Figure 5 -10 Measuring Sheet Setting 1

Figure 5 -11 Measuring Sheet Setting 2

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Figure 5 -12 Thickness Gauge Setting

Figure 5 -13 Check the Head Gap

Figure 5 -14 Adjust the Head Gap 1

Figure 5 -15 Adjust the Head Gap 2

Figure 5 -16 Logic Board

Figure 5 -17 Carriage Board

Figure 5 -18 Logic Board (Face)

Figure 5 -19 Component Board (Back)

Figure 5 -20 Carriage Board (Face)

Figure 5 -21 Carriage Board (Back)

VIII

IV. TABLE INDEX

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2 -12

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3 -21

5 -39

Part 2: PRODUCT SPECIFICATIONS

Table 2 - 1 BJ Cartridge vs Print Mode

Table 2 - 2 Paper Specifications

Table 2 - 3 IO Signals Compatible Mode

Table 2 - 4 IO Signals in Nibble Mode

Table 2 - 5 IO Signals in ECP Mode

Part 3: OPERATING INSTRUCTIONS

Table 3 - 1 Printer Paper Settings

Table 3 - 2 Operator Calls

Table 3 - 3 Service Calls

Table 3 - 4 Service Mode

Part 4: TECHNICAL REFERENCE

Table 4 - 1 Number of Passes vs Number of Operational Head Nozzles

Table 4 - 2 Main Default Print Mode Settings

Table 4 - 3 BJ Head Input and Output Signals

Table 4 - 4 AND Gate Contacts and IDATA Order

Table 4 - 5 Electrode Connection Pins

Table 4 - 6 Index Connections

Table 4 - 7 Index Sensor Signals and BJ Cartridge Detection

Table 4 - 8 Cleaning Conditions and Ink Consumption (Average)

Table 4 - 9 Ink-out Detection Timing

Part 5: MAINTENANCE

Table 5 - 1 Contacts (DARK COL and LIGHT COL)

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