Canon BJC 50 - Color Inkjet Printer User manual

QY8-1358-000
REVISION 0
COPYRIGHT  1998 CANON INC. CANON BJC-50 0498 AB 2.00-0 PRINTED IN JAPAN (IMPRIME AU JAPON)
APR. 1998

0498 AB 2.00-0

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
I. ABOUT THIS MANUAL
This manual is divided into five parts containing the information required for servicing the BJC-
50 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-50 printer. Please also refer to the
separate Parts Catalog.

II. TABLE OF CONTENTS
Page Part 1: SAFETY AND PRECAUTIONS
1 - 1 1. PERSONAL SAFETY PRECAUTIONS
1 - 1 1.1 Moving Section 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 BJ Cartridge Aluminum Plate
1 - 5 2. MACHINE PRECAUTIONS
1 - 5 2.1 BJ Cartridge
1 - 5 2.1.1 BJ cartridge handling
1 - 6 2.1.2 Automatically capping
1 - 6 2.1.3 When not using the printer
1 - 6 2.1.4 Ink conductivity
1 - 7 2.2 Ink Cartridge
1 - 7 2.2.1 Ink cartridge handling
1 - 8 2.3 Lithium Ion Battery Handling
1 - 8 2.3.1 Initial precautions
1 - 8 2.3.2 Storage precaution
1 - 9 2.4 Printer Handling
1 - 9 2.4.1 Precautions to prevent damage from static electricity
1 -10 2.4.2 Ink leakage precautions
1 -11 3. PRECAUTION FOR SERVICE
1 -11 3.1 Precautions Concerning the Memory Data
1 -12 3.2 Precautions to Prevent Damage from Static Electricity
1 -13 3.3 Precautions for Disassembly/Assembly
1 -14 3.4 Built-in Self-diagnostic Functions
Part 2: PRODUCT SPECIFICATIONS
2 - 1 1. PRODUCT OUTLINE
2 - 1 1.1 Product Outline
2 - 2 1.2 Features
2 - 2 1.2.1 Printer
2 - 3 1.3 BJ Cartridge
2 - 3 1.3.1 Color BJ cartridge [BC-11e]
2 - 4 1.3.2 Black BJ cartridge [BC-10]
2 - 5 1.4 Options
2 - 5 1.4.1 BJ cartridge container
2 - 5 1.4.2 Lithium ion battery (LB-50)
2 - 6 1.4.3 Universal adapter (AD-360U)
2 - 7 1.4.4 Color image scanner cartridge (IS-12)
2 - 7 1.4.5 Interface Cable (BIFC-50)
2 - 8 1.5 Consumables
2 - 8 1.5.1 BJ cartridge (Color and Black)
2 - 8 1.5.2 Ink cartridge
2 - 8 1.5.3 Lithium ion battery (LB-50)
2 - 9 2. SPECIFICATIONS
2 - 9 2.1 General Specifications
2 -13 2.2 Paper Specifications
2 -15 2.3 Interface Specifications
2 -15 2.3.1 Parallel interface
2 -20 2.3.2 Infrared interface
2 -22 2.4 Character Code Tables
II

Page Part 3: OPERATING INSTRUCTIONS
3 - 1 1. PRINTER SETUP
3 - 1 1.1 Unpacking
3 - 2 1.2 Installation
3 - 2 1.2.1 Installation space
3 - 3 1.2.2 Installation procedure
3 -10 1.3 Names and Functions of Parts
3 -11 2. TRANSPORTING THE PRINTER
3 -11 2.1 Carrying the Printer
3 -11 2.2 Transporting the Printer
3 -12 3. PRINTER SERVICING FUNCTIONS
3 -12 3.1 Error Indications
3 -15 3.2 Function Setting
3 -15 3.2.1 Default setting
3 -16 3.3 Control Buttons
3 -16 3.3.1 Cleaning the BJ cartridge
3 -17 3.4 Self Test Print
3 -18 3.4.1 Demonstration print
3 -19 3.4.2 Function settings list print
3 -20 3.4.3 Ripple pattern print
3 -21 3.4.4 Nozzle check pattern print
3 -21 3.4.5 All fonts pattern print
3 -22 3.5 Hexadecimal Dump Test Print
3 -23 3.6 EEPROM Data Setting
3 -23 3.6.1 EEPROM data setting mode
3 -23 3.6.2 Setting EEPROM data
3 -24 3.6.3 Displaying EEPROM data
3 -25 3.6.4 EEPROM settings list print
3 -26 3.7 Rewriting Flash ROM
3 -26 3.7.1 Flash ROM rewrite mode
Part 4: TECHNICAL REFERENCE
4 - 1 1. OVERVIEW
4 - 1 1.1 Printer Block Diagram
4 - 2 1.2 Initial Flowchart
4 - 2 1.2.1 Print mode
4 - 3 1.2.2 Scanner mode
4 - 4 1.3 Print Signal Flow
4 - 5 1.4 Print Drive
4 - 5 1.4.1 Printing drive control
4 - 7 1.5 Scanner Drive
4 - 8 1.6 Power Off Operation Flow
4 - 9 2. FIRMWARE
4 - 9 2.1 Interface
4 - 9 2.1.1 Compatible mode
4 -10 2.1.2 Nibble mode
4 -11 2.1.3 ECP mode
4 -12 2.1.4 IrDA
4 -15 2.2 720 dpi Printing/Smoothing Feature
4 -15 2.2.1 Canon extension mode
4 -15 2.2.2 Emulation mode
4 -16 2.3 Printing Modes
4 -17 2.4 Optimum Printing Direction Control
4 -17 2.5 Automatic Emulation Switching
III

Page
4 -18 2.6 Lithium Ion Battery Recharging
4 -18 2.6.1 Switching to recharge mode
4 -18 2.6.2 Recharge protection
4 -18 2.6.3 Recharge control
4 -19 3. PRINTER MECHANISM
4 -19 3.1 Overview of the Mechanical System of the Printer
4 -20 3.1.1 Mechanical system configuration
4 -21 3.2 BJ Cartridge
4 -21 3.2.1 Color BJ cartridge structure
4 -22 3.2.2 Black BJ cartridge structure
4 -23 3.2.3 Bubble jet head-unit structure
4 -26 3.2.4 Head-maintenance function and structure
4 -28 3.3 Purge Section Structure
4 -28 3.3.1 Configuration
4 -29 3.3.2 Operation
4 -30 3.4 Paper Feed Mechanism
4 -30 3.4.1 Outline of paper feed mechanism
4 -32 3.5 Carriage Section
4 -32 3.5.1 Carriage section function
4 -33 3.5.2 Carriage section structure
4 -34 4. PRINTER ELECTRICAL SYSTEM
4 -34 4.1 Overview
4 -35 4.2 Signal Control Section
4 -35 4.2.1 Control board block diagram
4 -36 4.2.2 Control section components
4 -39 4.3 Power Supply Section
4 -39 4.3.1 Block diagram of power supply section
4 -40 4.3.2 Power supply section structure
4 -41 4.3.3 Lithium Ion Battery Recharging Circuit
4 -42 4.3.4 Lithium Ion Battery
4 -44 5. DETECTION FUNCTION
4 -44 5.1 HP Sensor
4 -44 5.2 Paper End Sensor
4 -44 5.3 Delivery Sensor
4 -44 5.4 Temperature Sensor
4 -44 5.5 Head Temperature Sensor
4 -45 5.6 Waste Ink Level Detection
4 -45 5.7 Remaining-ink Level Detection
4 -46 6. SCANNER CARTRIDGE
4 -46 6.1 Scanner Cartridge Overview
4 -46 6.1.1 Block diagram
4 -47 6.2 Scanner Cartridge Structure
4 -49 6.3 Signal Contacts
4 -50 6.4 Scan Mode
4 -50 6.5 Calibration
Part 5: MAINTENANCE
5 - 1 1. MAINTENANCE
5 - 1 1.1 Periodically-replaced Parts
5 - 1 1.2 Consumables
5 - 1 1.3 Periodic Maintenance
5 - 2 2. SERVICE TOOLS
5 - 2 2.1 List of Tools
IV

Page
5 - 3 3. APPLYING THE GREASE
5 - 4 4. ADJUSTMENT
5 - 5 5. TROUBLESHOOTING
5 - 5 5.1 Overview of Troubleshooting
5 - 5 5.1.1 Definition
5 - 5 5.1.2 Precautions for troubleshooting
5 - 7 5.2 Error Condition Diagnosis
5 - 7 5.2.1 Diagnosis flowchart
5 -11 5.2.2 Error recovery
5 -31 6. CONNECTOR POSITION & PIN ALIGNMENT
5 -31 6.1 Control Board
5 -36 6.2 Carriage Ribbon Cable
5 -37 6.3 BJ Cartridge
5 -37 6.4 Scanner Cartridge IS-12
5 -38 7. CIRCUIT DIAGRAMS
5 -38 7.1 Parts Layout
5 -38 7.1.1 Control board (Upper section)
5 -39 7.1.2 Control board (Lower section)
5 -41 7.2 Circuit Diagrams
V

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 Ink Mist
1 - 4 Figure 1 - 4 BJ Cartridge Aluminum Plate
1 - 5 Figure 1 - 5 BJ Cartridge
1 - 7 Figure 1 - 6 Ink Inlet of the Ink Cartridge
1 - 9 Figure 1 - 7 Contact Section of the Carriage Ribbon Cable
1 -10 Figure 1 - 8 Capping Position
1 -12 Figure 1 - 9 Electronic System of the Printer
1 -13 Figure 1 -10 Control Board
1 -13 Figure 1 -11 Removing Plastic Hooks
1 -14 Figure 1 -12 IrDA Unit
Part 2: PRODUCT SPECIFICATIONS
2 - 1 Figure 2 - 1 Printer Appearance
2 - 3 Figure 2 - 2 Color BJ Cartridge [BC-11e]
2 - 4 Figure 2 - 3 Black BJ Cartridge [BC-10]
2 - 5 Figure 2 - 4 Cartridge Container
2 - 5 Figure 2 - 5 Lithium Ion Battery
2 - 6 Figure 2 - 6 Universal Adapter
2 - 7 Figure 2 - 7 Color Image Scanner Cartridge
2 - 7 Figure 2 - 8 Interface Cable
2 - 8 Figure 2 - 9 Ink Cartridge
2 -14 Figure 2 -10 Printing Area
2 -14 Figure 2 -11 Printing Area (Envelope)
2 -19 Figure 2 -12 Timing Chart (Compatibility Mode)
2 -19 Figure 2 -13 Timing Chart (Nibble Mode)
2 -19 Figure 2 -14 Timing Chart (ECP Mode)
2 -20 Figure 2 -15 IrDA Method
2 -21 Figure 2 -16 ASK Method
Part 3: OPERATING INSTRUCTIONS
3 - 1 Figure 3 - 1 Packing Arrangement
3 - 2 Figure 3 - 2 Installation Space
3 - 3 Figure 3 - 3 Connecting the Universal Adapter
3 - 3 Figure 3 - 4 Connecting the Interface Cable
3 - 4 Figure 3 - 5 IrDA Angle of Rotation
3 - 5 Figure 3 - 6 Removing the Head Cap and the Tape
3 - 6 Figure 3 - 7 Installing the BJ Cartridge
3 - 7 Figure 3 - 8 Replacing the Ink Cartridge
3 - 8 Figure 3 - 9 Removing the Cap (Ink Cartridge)
3 - 8 Figure 3 -10 BJ Cartridge Container
3 -10 Figure 3 -11 Names and Functions of Parts
3 -12 Figure 3 -12 Control Panel
3 -18 Figure 3 -13 Demonstration Print (Sample)
3 -19 Figure 3 -14 Function Settings List Print (Sample)
3 -20 Figure 3 -15 Ripple Pattern Print (Sample)
3 -21 Figure 3 -16 Nozzle Check Pattern Print (Sample)
3 -21 Figure 3 -17 All Fonts Pattern Print (Sample)
3 -22 Figure 3 -18 Hexadecimal Dump Test Print (Sample)
VI