Canon BJC-8500 Manuel utilisateur

QY8-1356-000

REVISION 0



1999 CANON INC. CANON BJC-8500 0399 AB 0.30-0 PRINTED IN JAPAN (IMPRIME AU JAPON)

MAR. 1999

0399 AB 0.30-0

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.

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.

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-

8500 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 to set it up properly, 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-8500 printer. Please also refer to the

separate Parts Catalog.

This printer prints various ink and plain paper ink optimizer (except in the

draft mode when plain paper, envelope or thick paper is selected). This plain

paper ink optimizer is an almost transparent, colorless liquid.

For convenience, this manual sometimes refers to the plain paper ink

optimizer simply as "ink optimizer" and the combination of ink and plain

paper ink optimizer as "ink."

This manual also refers to the BJ cartridge and print head (head) as the one

and same thing.

II. TABLE OF CONTENTS

Page

Part 1: SAFETY AND PRECAUTIONS

1 - 1 1. PERSONAL SAFETY PRECAUTIONS

1 - 1 1.1 Moving Sections of the Printer

1 - 2 1.2 Ink Stains

1 - 2 1.2.1 Ink path

1 - 3 1.2.2 Ink mist

1 - 4 1.3 Electrically Live Sections of the Printer

1 - 5 2. MACHINE PRECAUTIONS

1 - 5 2.1 Handling BJ Cartridges

1 - 5 2.1.1 Unpacking BJ cartridges

1 - 6 2.1.2 Protecting BJ cartridges

1 - 7 2.1.3 Turing the printer ON/OFF

1 - 7 2.1.4 When not using the printer

1 - 7 2.1.5 Ink electroconductivity

1 - 8 2.2 Handling the Ink Tanks

1 - 8 2.2.1 Unpacking the ink tanks

1 - 8 2.2.2 Protecting the ink tanks

1 - 9 2.3 Handling the Printer

1 - 9 2.3.1 Spurs

1 - 9 2.3.2 Encoder

1 -10 2.3.3 Paper feed roller unit

1 -10 2.3.4 Purge motor

1 -11 2.3.5 Precautions to prevent damage from static electricity

1 -12 2.3.6 Ink leakage/ink dry-up precautions

1 -12 2.3.7 Precautions when carrying the printer

1 -13 3. PRECAUTIONS FOR SERVICE

1 -13 3.1 Precautions Concerning Memory Data

1 -14 3.2 Special Settings

1 -15 3.3 Precautions to Prevent Damage from Static Electricity

1 -16 3.4 Precautions for Disassembly/Assembly

1 -16 3.4.1 Disassembly prohibited parts

1 -16 3.4.2 Precautions for disassembly/assembly

1 -17 3.5 Self-diagnostic Functions

Part 2:

PRODUCT SPECIFICATIONS

2 - 1 1. PRODUCT OUTLINE

2 - 1 1.1 Product Outline

2 - 2 1.2 Features

2 - 3 1.3 BJ Cartridges

2 - 3 1.3.1 Black BJ cartridge [BC-80]

2 - 3 1.3.2 Color BJ cartridge [BC-81]

2 - 4 1.3.3 Photo BJ cartridge [BC-82 Photo]

2 - 5 1.3.4 Relationship between BJ cartridges and printing mode

2 - 6 1.4 BJ Cartridge Container SB-80

2 - 7 1.5 Consumables

2 - 7 1.5.1 BJ cartridge

2 - 7 1.5.2 Ink tank

2 - 8 2. SPECIFICATIONS

2 - 8 2.1 General Specifications

2 -11 2.2 Paper Specifications

2 -11 2.2.1 Paper types

Page

2 -12 2.2.2 Printing area

2 -13 2.3 Interface Specifications

2 -13 2.3.1 Parallel interface

2 -19 2.3.2 Serial interface

Part 3: OPERATING INSTRUCTIONS

3 - 1 1. PRINTER SETUP

3 - 1 1.1 Unpacking

3 - 3 1.2 Installation Space

3 - 4 1.3 Installation Procedure

3 - 4 1.3.1 Connecting the interface cable

3 - 4 1.3.2 Connecting the power supply

3 - 5 1.3.3 Installing BJ cartridges

3 - 8 1.3.4 Replacing ink tanks

3 - 9 1.3.5 BJ cartridge container SB-80

3 -10 1.4 Turning the Printer ON/OFF

3 -10 1.4.1 Turning the printer on

3 -10 1.4.2 Turning the printer off

3 -11 1.5 Paper Settings

3 -13 1.6 Names and Functions of Parts

3 -15 2. TRANSPORTING THE PRINTER

3 -15 2.1 Transporting the Printer

3 -16 2.2 Capping Lock/Unlock

3 -17 3. PRINTER SERVICING FUNCTIONS

3 -17 3.1 Error Indications

3 -17 3.1.1 Operator call

3 -18 3.1.2 Service call

3 -18 3.2 Warning Display

3 -19 3.3 Function Settings

3 -19 3.3.1 Maintenance settable items

3 -21 3.3.2 Custom setting

3 -23 3.4 Control Buttons

3 -23 3.4.1 Cleaning the BJ cartridges

3 -24 3.4.2 Service mode

3 -25 3.5 Self Test Print (Nozzle Check Pattern)

3 -27 3.6 EEPROM

3 -27 3.6.1 Continued use of EEPROM memory data

3 -27 3.6.2 Resetting the EEPROM

3 -28 3.6.3 EEPROM list print

3 -29 3.6.4 Destination setting

Part 4: TECHNICAL REFERENCE

4 - 1 1. OVERVIEW

4 - 1 1.1 Printer Block Diagram

4 - 2 1.2 Initial Flowchart

4 - 5 1.3 Power OFF Operation Flow

4 - 6 1.4 Print Signal Flow

4 - 7 1.5 BJ Cartridge Drive

4 - 7 1.5.1 Printing drive control

4 - 8 2. FIRMWARE

4 - 8 2.1 Interface

4 - 8 2.1.1 Nibble mode

4 - 9 2.1.2 ECP mode

III

Page

4 -10 2.2 Printing Modes

4 -11 2.2.1 P-POP (Plain Paper Optimized Printing) mode

4 -11 2.2.2 Draft mode (Print Quality: High Speed)

4 -11 2.2.3 Photo printing mode

4 -11 2.2.4 Carriage speed

4 -12 2.2.5 Advanced settings

4 -14 2.3 Optimum Printing Control

4 -14 2.3.1 Power monitor

4 -14 2.3.2 Ink-smear control

4 -15 3. PRINTER MECHANISM

4 -15 3.1 Overview of the Mechanical System

4 -16 3.1.1 Mechanical system configuration

4 -17 3.2 BJ Cartridge

4 -17 3.2.1 BJ cartridge structure

4 -18 3.2.2 BJ head unit structure

4 -19 3.2.3 Nozzle arrangement

4 -20 3.2.4 Signal contact part

4 -22 3.2.5 BJ cartridge drive circuit

4 -23 3.2.6 BJ cartridge detection

4 -24 3.3 Purge Unit

4 -24 3.3.1 Purge unit functions

4 -26 3.3.2 Purge unit structure

4 -28 3.4 Carriage Unit

4 -28 3.4.1 Carriage unit functions

4 -29 3.4.2 Carriage unit structure

4 -30 3.5 Paper Feed Section/Sheet Feeder Unit/Cassette Units

4 -30 3.5.1 Paper feed/sheet feeder/cassette functions

4 -32 3.5.2 Sheet feeder unit structure

4 -33 3.5.3 Cassette unit structure

4 -34 3.5.4 Flapper unit structure

4 -35 3.5.5 Path of fan air flow

4 -36 4. PRINTER ELECTRICAL SYSTEM

4 -36 4.1 Overview

4 -37 4.2 Logic Section

4 -37 4.2.1 Logic section block diagram

4 -38 4.2.2 Logic section components

4 -41 4.3 Power Supply Section

4 -41 4.3.1 Block diagram of power supply section

4 -41 4.3.2 Power supply section structure

4 -43 5. DETECTION FUNCTIONS

4 -43 5.1 Sensor Functions

4 -45 5.2 Other Detection Functions

4 -45 5.2.1 Waste ink level detection

4 -45 5.2.2 BJ cartridge sensor

4 -46 5.2.3 Ink-out detection

4 -48 5.2.4 No ink tank detection

Part 5: MAINTENANCE

5 - 1 1. MAINTENANCE

5 - 1 1.1 Periodically-replaced Parts

5 - 1 1.2 Worn Parts

5 - 1 1.3 Consumables

5 - 1 1.4 Periodic Maintenance

Page

5 - 2 2. SERVICE TOOLS

5 - 2 2.1 List of Tools

5 - 3 3. APPLYING GREASE

5 - 6 4. DISASSEMBLY/ASSEMBLY

5 - 6 4.1 About Disassembly/Assembly

5 - 6 4.2 Precautions for Disassembly/Assembly

5 - 6 4.2.1 Unlocking the carriage

5 - 7 4.2.2 Disassembly prohibited parts

5 - 8 4.2.3 Purge unit tubes

5 - 8 4.2.4 Screw fastening of idle pulley ass'y

5 - 9 4.3 Logic Board Replacement

5 - 9 4.3.1 Except for EEPROM replacement

5 - 9 4.3.2 EEPROM replacement

5 -10 4.4 Waste Ink Absorber Replacement

5 -11 5. ADJUSTMENT

5 -11 5.1 Adjustment Locations

5 -11 5.1.1 EEPROM (IC501) and waste ink absorber

5 -11 5.1.2 Adjusting the printing position of BJ cartridges

5 -11 5.1.3 Carriage belt tension adjustment

5 -12 6. TROUBLESHOOTING

5 -12 6.1 Overview of Troubleshooting

5 -12 6.1.1 Definition

5 -12 6.1.2 Precautions for troubleshooting

5 -13 6.2 Error Condition Diagnosis

5 -13 6.2.1 Diagnosis flowchart

5 -16 6.2.2 Error recovery

5 -32 7. CONNECTOR POSITION & SIGNAL ASSIGNMENT

5 -32 7.1 Logic Board

5 -38 7.2 Carriage Board

5 -42 7.3 Panel Board

5 -42 7.4 Carriage Driver Board

5 -43 7.5 Upper Cassette Board

5 -44 7.6 Lower Cassette Board 1

5 -45 7.7 Lower Cassette Board 2

5 -46 7.8 Fan Board

5 -47 7.9 Power Supply Unit

5 -48 8. CIRCUIT DIAGRAMS

5 -48 8.1 Parts Layout

5 -48 8.1.1 Logic board

5 -50 8.1.2 Carriage board

5 -51 8.1.3 Panel board

5 -53 8.2 Circuit Diagrams

5 -53 8.2.1 Logic board

5 -65 8.2.2 Carriage board

5 -68 8.2.3 Carriage driver board

5 -69 8.2.4 Ink sensor/Fan board

5 -70 8.2.5 Panel board

5 -71 8.2.6 Upper cassette board

5 -72 8.2.7 Lower cassette board

III. ILLUSTRATION INDEX

Page

Part 1: SAFETY AND PRECAUTIONS

1 - 1 Figure 1 - 1 Moving Sections of the Printer

1 - 2 Figure 1 - 2 Ink Path

1 - 3 Figure 1 - 3 BC-80, BC-81, and BC-82 Photo

1 - 3 Figure 1 - 4 Ink Mist

1 - 4 Figure 1 - 5 Power Supply Unit

1 - 5 Figure 1 - 6 Removing the Protective Cap

1 - 6 Figure 1 - 7 BJ Cartridges

1 - 8 Figure 1 - 8 Removing the Ink Tank Protective Cap

1 - 8 Figure 1 - 9 Ink Outlets

1 - 9 Figure 1 -10 Spurs

1 - 9 Figure 1 -11 Encoder Film and Carriage Board

1 -10 Figure 1 -12 Paper Feed Roller

1 -10 Figure 1 -13 Purge Motor

1 -11 Figure 1 -14 Contact Sections

1 -12 Figure 1 -15 Capping

1 -12 Figure 1 -16 Precautions when Carrying the Printer

1 -15 Figure 1 -17 Electronic System

1 -16 Figure 1 -18 Disassembly Prohibited Parts

1 -16 Figure 1 -19 How to Release Plastic Hooks

Part 2: PRODUCT SPECIFICATIONS

2 - 1 Figure 2 - 1 External View of Printer

2 - 3 Figure 2 - 2 Black BJ Cartridge [BC-80]

2 - 3 Figure 2 - 3 Color BJ Cartridge [BC-81]

2 - 4 Figure 2 - 4 Photo BJ Cartridge [BC-82 Photo]

2 - 4 Figure 2 - 5 Path of Ink Tank and BJ Cartridge (Front View)

2 - 6 Figure 2 - 6 BJ Cartridge Container [SB-80]

2 - 7 Figure 2 - 7 Ink Tanks

2 -12 Figure 2 - 8 Printing Area

2 -18 Figure 2 - 9 Compatibility Mode Timing Chart

2 -18 Figure 2 -10 Nibble Mode Timing Chart

2 -18 Figure 2 -11 ECP Mode Timing Chart

Part 3: OPERATING INSTRUCTIONS

3 - 1 Figure 3 - 1 Packing (1)

3 - 2 Figure 3 - 2 Packing (2): Lower Cassette

3 - 3 Figure 3 - 3 Installation Space

3 - 4 Figure 3 - 4 Connecting the Interface Cable

3 - 4 Figure 3 - 5 Connecting the Power Supply

3 - 5 Figure 3 - 6 Removing the Protective Cap

3 - 5 Figure 3 - 7 Installing BJ Cartridges

3 - 6 Figure 3 - 8 Checking the Position of the Print Head (1)

3 - 7 Figure 3 - 9 Checking the Position of the Print Head (2)

3 - 8 Figure 3 -10 Replacing Ink Tanks

3 - 8 Figure 3 -11 How to Remove the Ink Tank Protective Cap

3 - 9 Figure 3 -12 BJ Cartridge Container SB-80

3 -10 Figure 3 -13 Precautions When Turning the Printer OFF

3 -11 Figure 3 -14 Paper Settings

3 -13 Figure 3 -15 Names and Functions of Parts (1)

3 -14 Figure 3 -16 Names and Functions of Parts (2)

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