Canon MultiPASS C50 User manual

COPYRIGHT  1998 CANON INC. CANON MultiPASS C50 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
REVISION0
HY8-10AH-000
FEB.1998
H12-1033 230V EC
H12-1034 230V UK
H12-1035 230V GER
H12-1037 230V FRN
H12-1038 230V AUS
H12-1039 230V AE
MultiPASS C50
MultiPASS C50
MultiPASS C50
MultiPASS C50
MultiPASS C50
MultiPASS C50
HANDSET KIT

Application
This manual has been issued by Canon Inc. for qualified persons to learn technical theory, installation,
maintenance, and repair of products. This manual covers all localities where the products are sold. For this
reason, there may be information in this manual that does not apply to your locality.
Corrections
This manual may contain technical inaccuracies or typographical errors due to improvements or changes in
products. When changes occur in applicable products or in the content of this manual, Canon will release
technical information as the need arises. In the event of major changes in the contents of this manual over a long
or short period, Canon will issue a new editions of this manual.
The following paragraph does not apply to any countries where such provisions are
inconsistent with local law.
Trademarks
The product names and company names described in this manual are the registered trademarks of the individual
companies.
Copyright
This manual is copyrighted with all rights reserved. Under the copyright laws, this manual may not be copied,
reproduced or translated into another language, in whole or in part, without the written consent of Canon Inc..
Copyright © 1998 by Canon Inc.
CANON INC.
Office Imaging Products Technical Support Dept. 2
5-1 Hakusan 7-Chome, Toride-city, Ibaraki 302-0023, Japan
DTP System
This manual was produced on an Apple Macintosh®personal computer, final pages were printed on Canon
SUPER LASER SHOT B406 PS.
All graphics were produced with Macromedia FreeHand®.
All documents and all page layouts were created with QuarkXPress®.

I. MEANING OF MARKS
The marks used in this manual have the following meanings.
Mark Meaning
States a precaution to be taken to prevent danger to personnel, damage to the product, or
damage to electronic components by discharge of static electricity. for example.
States a precaution to be taken to prevent damage to electronic components by
electrostatic discharge.
Informs you of fire-related cautions.
Informs you that the plug must be removed from the power outlet before starting an
operation.
Gives useful information to understand descriptions.
Indicates sections to be read to obtain more detailed information.
I
NOTE
REFERENCE

II. ABOUT THIS MANUAL
This manual is divided into five parts, and contains information required for servicing the product.
Part 1: Facsimile
This section describes the facsimile function of the respective product.
Part 2: Printer
This section describes the printer function of the respective product.
Each of the above parts is further divided into the following four chapters:
Chapter 1: General Description
This part explains product specifications and the how to service the unit safely. It is very important, so
please read it.
Chapter 2: Technical Reference
This part explains the technical theory of the product.
Chapter 3: Maintenance and Service
This part explains how to maintain the products for adjustment and troubleshooting and service
operations and service switches.
Chapter 4: Appendix
This part explains the informations of the optional products and user data flow.
• For more details of user operations and user reports, see the separate volume of USER'S
GUIDE .
• Procedure for assembly/disassembly and greasing points are not given in this manual.
See the illustrations in the separate volume of PARTS CATALOG .
• Detailed description of each SSSW/parameter is not given in this manual except the new
SSSWs/parameters added to this model.
See G3 Facsimile Service Data Handbook (supplied separately) for details them.
• See the G3 Facsimile Error Code List (Rev.1, supplied separately) for details of the
error codes not shown in this manual.
• Detailed description of connector Locations and Signal Descriptions in not given in this
manual.
See the Circuit Diagram for details them.
II
REFERENCE

III. REVISION HISTORY
REVISION CONTENT
0 Original
III

IV. TABLE OF CONTENTS
Part 1: Facsimile
Page Chapter 1: General Description
1 - 1 1. FEATURES
1 - 1 1.1 Overview
1 - 2 2. SPECIFICATIONS
1 - 2 2.1 General Specification
1 - 2 2.2 Communication Specification
1 - 3 2.3 Scanner Specification
1 - 5 2.4 Printer Specification
1 - 7 2.5 Copy Specification
1 - 8 2.6 Function
1 -11 3. OVERVIEW
1 -11 3.1 External View
1 -14 3.2 Operation Panel
1 -18 3.3 Consumables
1 -18 3.3.1 BJ cartridge and ink cartridge and BJ cartridge container
1 -20 3.3.2 Print media
1 -22 4. DIMENSIONS
1 -23 5. SAFETY & PRECAUTIONS
1 -23 5.1 Personnel Hazards
1 -25 5.1.1 Electrical shock
1 -25 5.1.2 High-temperature parts
1 -26 5.1.3 Fire hazards
1 -26 5.1.4 Moving parts
1 -26 5.1.5 Preventing ink stains
1 -27 5.2 General Cautions
1 -27 5.2.1 Unit cautions
1 -32 5.2.2 BJ cartridge cautions
1 -40 5.2.3 Ink cartridge cautions
1 -42 5.3 Servicing Cautions
1 -42 5.3.1 Damage from static charge
1 -42 5.3.2 Scanner unit
1 -43 5.3.3 Print assembly
1 -45 5.3.4 Paper feed section
1 -45 5.3.5 Control boards
1 -46 5.3.6 Opening the upper cover
1 -47 5.4 Data-related precautions
1 -48 5.4.1 Data in the image storage memory (DRAM)
1 -49 5.4.2 Data in the control processing memory (SRAM)
1 -50 5.4.3 Data in the EEPROM
1 -52 5.4.4 SCNT board replacement precautions
IV

1 -53 5.4.5 Data initialization through service operation
1 -54 5.5 Protective Mechanism
1 -54 5.5.1 Data battery backup function
1 -54 5.5.2 BJ cartridge maintenance features
1 -55 5.5.3 Heat protection mechanism
1 -55 5.5.4 Overcurrent protection
1 -56 5.5.5 Lightning protection
1 -56 5.5.6 Power leakage protection
1 -57 6. QUALIFICATION REQUIRED FOR INSTALLATION WORK
Chapter 2: Technical Reference
2 - 1 1. COMPONENT LAYOUT
2 - 3 2. SCANNER MECHANISM
2 - 6 3. PAPER SUPPLY MECHANISM
2 -11 4. PRINTER SECTION
2 -18 5. BJ CARTRIDGE
2 -18 5.1 Structure
2 -21 5.2 BJ Head Driver Block Diagram
2 -23 5.3 Printing Signal
2 -25 6. ELECTRIC CIRCUIT
2 -25 6.1 Component Block Diagram
2 -26 6.2 Circuit Board Components
2 -29 6.3 Flow of Image Signals
2 -32 7. COMMUNICATION SYSTEM OPERATIONS
2 -32 7.1 FAX/TEL Switching
2 -32 7.1.1 Settings
2 -32 7.1.2 Parameters
2 -33 7.2 Answering Machine Connection
2 -33 7.2.1 Settings
2 -33 7.2.2 Parameters
2 -34 8. NEW FUNCTION
2 -34 8.1 Color Scanning Ability
2 -34 8.1.1 Contact sensor specifications
2 -35 8.1.2 Reading color documents
2 -35 8.1.3 Reading black & white documents
Chapter 3: Maintenance & Service
3 - 1 1. MAINTENANCE LIST
3 - 1 1.1 Consumables
3 - 1 1.2 Cleaning
3 - 2 1.3 Periodic Inspection
3 - 2 1.4 Periodic Replacement Parts
3 - 2 1.5 Adjustment Items
V

3 - 3 1.6 General Tools
3 - 3 1.7 Special Tools
3 - 4 2. HOW TO CLEAN PARTS
3 - 4 2.1 Main Unit Outer Covers
3 - 4 2.2 Separation Roller
3 - 4 2.3 Document Feed/Eject Roller
3 - 4 2.4 Separation Guide
3 - 4 2.5 Scanning Glass (Contact Sensor)
3 - 4 2.6 White Sheet
3 - 4 2.7 Printer Platen
3 - 6 3. ADJUSTMENT
3 - 6 3.1 CS LED Lights-on Duration Adjustment
3 - 7 3.2 Vertical Alignment Correction
3 -10 3.3 Head Gap Adjustment
3 -14 4. TROUBLESHOOTING
3 -14 4.1 Troubleshooting Index
3 -15 4.2 Errors Shown on the Display
3 -15 4.2.1 User error message
3 -19 4.2.2 Error codes
3 -26 4.3 Errors not Shown on the Display
3 -26 4.3.1 General errors
3 -27 4.3.2 Printing problem
3 -29 4.3.3 Scanning problem
3 -31 5. SERVICE SWITCHES
3 -31 5.1 Hardware Switches
3 -32 5.2 Service Data Setting
3 -32 5.2.1 Service data overview
3 -33 5.2.2 Service data registration/setting method
3 -34 5.2.3 Service data setting
3 -41 5.2.4 Explanation of service data
3 -42 5.2.5 New SSSWs/parameters added to this model
3 -52 6. TEST FUNCTIONS
3 -52 6.1 User Test Print Functions
3 -52 6.1.1 Nozzle check
3 -53 6.2 Service Test Functions
3 -53 6.2.1 Test mode overview
3 -54 6.2.2 Test mode flowchart
3 -55 6.2.3 D-RAM tests
3 -55 6.2.4 CS tests
3 -56 6.2.5 PRINT test
3 -58 6.2.6 Modem and NCU tests
3 -61 6.2.7 Faculty tests
3 -66 7. SERVICE REPORT
VI

3 -66 7.1 Report Output Function
3 -66 7.1.1 User report output functions
3 -68 7.1.2 Service report output functions
3 -76 8. WIRING DIAGRAM
3 -76 8.1 Wiring Diagram
3 -77 8.2 Connector Name and Signal Descriptions
Chapter 4: Appendix
4 - 1 1. INSTALLATION
4 - 1 1.1 Setting Up
4 - 1 1.2 Checking Operations
4 - 2 2. OPTION
4 - 2 2.1 HANDSET KIT
4 - 8 3. USER DATA FLOW
4 - 8 3.1 USER DATA FLOW (by Operation Panel)
4 -10 3.2 USER DATA FLOW (by MultiPASS Desktop Manager)
4 -15 3.3 SPECIAL MODE FLOW (by Operation Panel)
4 -17 4. MAKER CODE
INDEX
VII

Part 2: Printer
Chapter 1: General Description
1 - 1 1. FEATURES
1 - 2 2. SPECIFICATIONS
1 - 2 2.1 Basic Specifications
1 - 5 2.2 Interface Specifications
1 -10 3. OVERVIEW
1 -10 3.1 Interface Connector
1 -11 3.2 Printer Operation Panel
1 -12 4. SAFETY & PRECAUTIONS
1 -12 4.1 Personnel Hazards
1 -12 4.2 General Cautions
1 -12 4.2.1 Connecting the interface cable
1 -12 4.2.2 Data lost when power cord is pulled out
1 -12 4.2.3 Data reset
1 -13 5. RESTRICTIONS
Chapter 2: Technical Reference
2 - 1 1. THEORY OF OPERATIONS
2 - 1 2.1 Outline
2 - 2 2.2 Mechanical Overview
2 - 3 2.3 Data Flow
2 - 4 2.4 Printing
2 - 5 2.5 Circuit Overview
2 - 5 2.5.1 Printer circuit
2 - 7 2.6 720 dpi Printing/Smoothing Feature
2 - 7 2.6.1 Canon extension mode
2 - 7 2.6.2 Emulation mode
2 - 8 2.7 Printing Modes
2 - 8 2.7.1 Printing mode
2 - 8 2.7.2 Photoprint mode
2 -10 2.8 Optimum Printing Direction Control
2 -10 2.9 Ink Smear Control
2 -11 2.10Bi-Centronics Interface
2 -11 2.10.1Functions
2 -12 2.10.2Structure
Chapter 3: Maintenance & Service
3 - 1 1. MAINTENANCE LIST
3 - 1 2. HOW TO CLEAN PARTS
3 - 1 3. ADJUSTMENT
3 - 2 4. TROUBLESHOOTING
3 - 2 4.1 Errors Shown on the Display
VIII

3 - 2 4.1.1 User error message
3 - 2 4.1.2 Error codes
3 - 3 4.2 Errors not Shown on the Display
3 - 5 5. SERVICE OPERATION FUNCTION
3 - 5 5.1 Report Output Function
3 - 5 5.2 Service Data
3 - 5 5.3 Test Functions
3 - 5 5.3.1 User test functions
3 - 6 5.3.2 Hexadecimal dump print
3 - 7 6. WIRING DIAGRAM
3 - 7 6.1 Wiring Diagram
3 - 7 6.2 Connector Location and Signal Description
3 - 7 6.2.1 SCNT board
Chapter 4: Appendix
4 - 1 1. INSTALLATION
4 - 2 1.1 Choosing a Location for the Printer
4 - 3 1.2 Connecting the Printer to the Computer
IX

V. ILLUSTRATION INDEX
Part 1: Facsimile
Page Chapter 1: General Description
1 - 4 Figure 1- 1 Scanning Range
1 - 6 Figure 1- 2 Printing Range
1 -11 Figure 1- 3 External View (1)
1 -12 Figure 1- 4 External View (2)
1 -14 Figure 1- 5 Operation Panel (1)
1 -15 Figure 1- 6 Operation Panel (2)
1 -16 Figure 1- 7 Operation Panel (3)
1 -17 Figure 1- 8 Operation Panel (4)
1 -18 Figure 1- 9 Consumables (1)
1 -19 Figure 1-10 Consumables (2)
1 -20 Figure 1-11 Print Media (1)
1 -21 Figure 1-12 Print Media (2)
1 -22 Figure 1-13 Dimensions
1 -23 Figure 1-14 Personnel Hazards (1)
1 -24 Figure 1-15 Personnel Hazards (2)
1 -38 Figure 1-16 Unpacking the BJ Cartridge
1 -39 Figure 1-17 Ink Path Cartridge
1 -40 Figure 1-18 Removing Cartridge Cap
1 -41 Figure 1-19 Ink Outlet
1 -43 Figure 1-20 Print Assembly Precautions
1 -46 Figure 1-21 Opening the Upper Cover
1 -47 Figure 1-22 Memory IC and Backed up Devices
1 -51 Figure 1-23 Waste Ink Absorber
1 -53 Figure 1-24 All Clear
Chapter 2: Technical Reference
2 - 1 Figure 2- 1 Mechanical Layout
2 - 2 Figure 2- 2 Electrical System Layout
2 - 3 Figure 2- 3 Document Feed Section
2 - 6 Figure 2- 4 Paper Feed Section
2 - 8 Figure 2- 5 Paper Feed Motor Drive Switching
2 - 9 Figure 2- 6 Paper Separation Mechanism
2 -11 Figure 2- 7 Printer Section
2 -13 Figure 2- 8 Purge Unit
2 -13 Figure 2- 9 Pump Operation State Detection
2 -16 Figure 2-10 Ink Empty Detection
2 -19 Figure 2-11 Nozzle Arrangement
2 -19 Figure 2-12 Black BJ Cartridge Structure
2 -20 Figure 2-13 Color BJ Cartridge Structure
X

2 -20 Figure 2-14 Photo BJ Cartridge Structure
2 -22 Figure 2-15 BJ Head Driver Block Diagram (Black BJ Cartridge)
2 -22 Figure 2-16 BJ Head Driver Block Diagram (Color BJ Cartridge)
2 -23 Figure 2-17 Printing Sequence (Black BJ Cartridge/HQ Mode)
2 -24 Figure 2-18 Printing Signals (HQ Mode)
2 -25 Figure 2-19 Block Diagram
2 -29 Figure 2-20 G3 Transmission Image Signal Flow
2 -30 Figure 2-21 G3 Reception Image Signal Flow
2 -31 Figure 2-22 Color Copy Image Signal Flow
2 -35 Figure 2-23 Contact Sensor
Chapter 3: Maintenance & Service
3 - 5 Figure 3- 1 Cleaning Location
3 - 6 Figure 3- 2 CS LED Lights-on Duration Adjustment Operation
3 - 7 Figure 3- 3 Printing the Test Pattern
3 - 7 Figure 3- 4 Test Pattern Sample
3 - 8 Figure 3- 5 Correct Test Pattern
3 - 8 Figure 3- 6 Sample Test Pattern with Vertical Misalignment
3 - 9 Figure 3- 7 Vertical Line Misalignment Correction Procedure
3 -10 Figure 3- 8 Headgap
3 -11 Figure 3- 9 Adjustment Preparation
3 -12 Figure 3-10 Head Gap Adjustment (1)
3 -13 Figure 3-11 Head Gap Adjustment (2)
3 -19 Figure 3-12 Service Error Code Display
3 -27 Figure 3-13 Paper Feed Motor/Carriage Motor/Document Feed Motor Connector
3 -28 Figure 3-14 Defective Pattern (Sample)
3 -31 Figure 3-15 Side Switch Location on NCU Board
3 -31 Figure 3-16 Slide Switch Settings
3 -33 Figure 3-17 Service Data Setting Method
3 -34 Figure 3-18 Service Data (page 1)
3 -35 Figure 3-19 Service Data (page 2)
3 -36 Figure 3-20 Service Data (page 3)
3 -38 Figure 3-21 Service Data (page 4)
3 -39 Figure 3-22 Service Data (page 5)
3 -40 Figure 3-23 Service Data (page 6)
3 -41 Figure 3-24 Bit Switch Display
3 -41 Figure 3-25 How to Read Bit Switch Tables
3 -52 Figure 3-26 Nozzle Check Pattern
3 -54 Figure 3-27 Test Mode
3 -55 Figure 3-28 D-RAM Test
3 -56 Figure 3-29 Print Test Pattern Check
3 -57 Figure 3-30 Print Pattern Sample
3 -60 Figure 3-31 CNG and DTMF Signal Reception Tests
XI

3 -62 Figure 3-32 Sensor Tests
3 -64 Figure 3-33 Operation Panel
3 -67 Figure 3-34 Memory Clear List
3 -69 Figure 3-35 System Data List (page 1 ~ page 4)
3 -70 Figure 3-36 System Data List (page 5 ~ page 6)
3 -71 Figure 3-37 System Dump List (1/2)
3 -73 Figure 3-38 System Dump List (2/2)
3 -74 Figure 3-39 Service Error Tx Report
3 -75 Figure 3-40 Service Error Activity Report (receiving)
3 -76 Figure 3-41 Wiring Diagram
Chapter 4: Appendix
4 - 8 Figure 4- 1 User Menu Settings (1/7)
4 - 9 Figure 4- 2 User Menu Settings (2/7)
4 -10 Figure 4- 3 User Menu Settings (3/7)
4 -11 Figure 4- 4 User Menu Settings (4/7)
4 -12 Figure 4- 5 User Menu Settings (5/7)
4 -13 Figure 4- 6 User Menu Settings (6/7)
4 -14 Figure 4- 7 User Menu Settings (7/7)
4 -15 Figure 4- 8 Special Mode Settings
4 -17 Figure 4- 9 Maker Code
XII

Part 2: Printer
Page Chapter 1: General Description
1 - 4 Figure 1- 1 Printing Range
1 - 6 Figure 1- 2 Signal Circuits
1 - 9 Figure 1- 3 Interface Timing
1 -10 Figure 1- 4 Interface Connector
Chapter 2: Technical Reference
2 - 1 Figure 2- 1 Printer Outline
2 - 3 Figure 2- 2 Data Flow (image)
2 - 4 Figure 2- 3 Character Printing
2 - 5 Figure 2- 4 Printer Circuit Block Diagram
2 - 7 Figure 2- 5 720 dpi Printing/Smoothing Feature
2 -13 Figure 2- 6 Nibble Mode Facsimile to Host Data Transfer
Chapter 3: Maintenance & Service
3 - 6 Figure 3- 1 Hexadecimal Dump Print (Sample)
3 - 7 Figure 3- 2 SCNT Board
Chapter 4: Appendix
4 - 2 Figure 4- 1 Location for the Printer
4 - 3 Figure 4- 2 Attaching the Ferrite Core
4 - 3 Figure 4- 3 Connecting the Interface Cable
XIII

XIV
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Part 1
Facsimile

Chapter 1
General
Description