Canon iR1210 Service Manual

iR1200/iR1300 Series
REVISION 0
AUG. 2002
COPYRIGHT
©
2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
FY8-13HU-000
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 contents 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 edition 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 used 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 © 2002 CANON INC.
Caution
Use of this manual should be strictly supervised to avoid disclosure of confidential information.
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2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
INTRODUCTION
1 Symbols Used
This documentation uses the following symbols to indicate special information:
Symbol Description
Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning.
Indicates an item requiring care to avoid electric shocks.
Indicates an item requiring care to avoid combustion (fire).
Memo
REF.
Indicates an item prohibiting disassembly to avoid electric shocks or problems.
Indicates an item requiring disconnection of the power plug from the electric outlet.
Indicates an item intended to provide notes assisting the understanding of the topic in question.
Indicates an item of reference assisting the understanding of the topic in ques­tion.
Provides a description of a service mode.
Provides a description of the nature of an error indication.
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Refers to the Copier Basics Series for a better understanding of the contents.
2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
i
INTRODUCTION
2 Outline of the Manual
This Service Manual provides basic facts and figures needed to service the iR1200 Series/
iR1300 Series products in the field, and it consists of the following chapters:
Chapter 1 Product Outline: specifications, names of parts, safety and warnings Chapter 2 Using the Machine: control panel, user mode, service mode Chapter 3 Installation: site requirements, installation procedure, work for reloca-
tion
Chapter 4 Operation: mechanical system by function, principles of operation of
electrical systems Chapter 5 Mechanical System: mechanical construction, disassembly/assembly Chapter 6 Maintenance and Inspection: periodically replaced parts, durables (life), basic servicing
chart, cleaning Chapter 7 Troubleshooting: standards/adjustments, troubleshooting image faults,
troubleshooting malfunctions Appendix: general timing chart, general circuit diagrams
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2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
INTRODUCTION
The descriptions in this Service Manual are based on he following rules:
1. In each chapter, the uses of the function in question and its relationship to electrical and mechanical systems are discussed and the timing of operation of its associated parts is explained by means of outlines and diagrams. In the diagrams, the symbol
represents a mechanical path, while the symbol
with a name next to it indicates the flow of an electric signal. The expression “turn on the power” means turning on the power switch, closing the front cover, and closing the delivery cover so that the machine will be supplied with power.
2. In circuit diagrams (digital), a signal whose level is High is expressed as being ‘1’, while a single whose level is Low is expressed as being ‘0’; the level of voltage, how­ever, varies from circuit to circuit. The machine uses CPUs, whose internal mechanisms cannot be checked in the field, and, therefore, are not explained. In addition, the machine’s PCBs are not intended for repairs at the user’s and, therefore, are explained by means of block diagrams: two types are used, i.e., between sensors and inputs of PCBs equipped with a control or drive func­tion and between outputs equipped with a control or drive function and loads; in addi­tion, functional block diagrams are used at times.
Changes made to the machine for product improvement are communicated in the form of a Service Information bulletin as needed. All service persons are expected to go through all service documentation including the bulletins and be equipped to respond to the needs of the field (as by being able to identify possible causes of problems).
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2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
iii
INTRODUCTION
This service manual covers the models shown in the following table. Be sure to have a
good understanding of the difference from model to model before referring to this manual.
Model
iR1210
iR1230
Type code
MTC
PVZ QTL
UMA
UVB UVC UVD
UVE ZTY
MTD
MTE
QTM
UNA
UVF UVG UVH
UVJ
ADF
function
√ √ √ √ √ √ √ √
Printer
function
√ √ √ √ √ √ √ √ √
√ √ √ √ √ √ √ √
Fax
function
Cassette
500 sheet (A4) 500 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4)
250 sheet (Universal)
500 sheet (A4) 500 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4) 250 sheet (A4)
Default
Ratio
4R3E 4R3E 2R2E 2R2E 2R2E 2R2E 2R2E 2R2E 2R2E
4R3E 4R3E 2R2E 2R2E 2R2E 2R2E 2R2E 2R2E
Power
supply
230V 230V 230V 230V 230V 230V 230V 230V 127V
230V 230V 230V 230V 230V 230V 230V 230V
iR1270F
iR1310
iR1330
iR1370F
MTF
MTG
UPA
ZTW
ZTZ
ZUB
√ √ √
√ √
√ √ √
√ √ √
√ √ √
250 sheet (A4) 500 sheet (A4) 250 sheet (A4)
500 sheet (LTR/LGL)
500 sheet (LTR/LGL)
500 sheet (LTR/LGL)
The notation “ ” indicates that the item in question is available.
4R
2R2E
4R
3R2E
3R2E
3R2E
230V 230V 230V
120V 120V 120V
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2002 CANON INC. 2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002

Contents

CHAPTER 1 PRODUCT OUTLINE
CONTENTS
1 Specifications...................................... 1-1
1.1 Type............................................ 1-1
1.2 Mechanisms ............................... 1-1
1.3 Functions.................................... 1-2
1.4 Others ......................................... 1-4
1.5 Reproduction Ratio .................... 1-5
1.6 Copying Speed ........................... 1-6
1.6.1 Copying Speed (AB type,
A type) ................................. 1-6
1.6.2 Copying Speed (Inch type).. 1-7
1.7 ADF (if equipped with ADF
functions) ................................... 1-8
1.8 FAX (if equipped fax functions) 1-9
1.8.1 Communications
specifications ........................ 1-9
1.8.2 Scanner section
specifications ...................... 1-10
1.8.3 Printer section
specifications ...................... 1-10
1.8.4 Functions ........................... 1-11
2 Names of Parts .................................. 1-15
2.1 External View ........................... 1-15
2.1.1 Body (ADF type) ............... 1-15
2.1.2 Body (copyboard type) ...... 1-16
2.1.3 ADF (if equipped with ADF
functions) ........................... 1-18
2.2 Cross Section ........................... 1-19
2.2.1 Body .................................. 1-19
2.2.2 ADF (if equipped with ADF
functions) ........................... 1-20
3 Safety and Warnings ......................... 1-21
3.1
3.1.1 Safety of the Laser Scanner
3.1.2 CDRH Requirements ......... 1-21
3.1.3 Handling the Laser Scanner
3.2 Safety of the Toner................... 1-23
3.3 Storing and Handling the Cartridge
3.3.1 Storing a Drum Unit Before
3.3.2 Storing or Handling the
3.3.2.1 Storing After Unpacking 1-24
3.3.2.2 Points to Note When
Safety of Laser Light ......... 1-21
Unit .................................... 1-21
Unit .................................... 1-22
(Drum Unit and Developing
Unit) ......................................... 1-23
Unpacking.......................... 1-23
Cartridge After Unpacking . 1-24
Handling the Cartridge . 1-25
CHAPTER 2 USING THE MACHINE
1 Using the Machine .............................. 2-1
1.1 Control Panel ............................. 2-1
2 User Mode .......................................... 2-5
2.1 User Mode Menu ....................... 2-5
2.2 User Report .............................. 2-18
2.2.1 Manually Generating a
Report ................................ 2-18
2.2.2 Automatically Generating Reports (if equipped with
fax functions) ..................... 2-19
2.2.2.1 Memory Clear List ....... 2-20
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3 Service Mode .................................... 2-21
3.1 Outline ..................................... 2-21
3.2 Using Service Mode ................ 2-23
3.3 List of Service Mode Menus ... 2-24
3.4 Bit Switch Settings
(#1 SSSW) ............................... 2-32
3.5 Menu Switch Settings
(#2 MENU) .............................. 2-48
3.6 Numeric Parameter Setting
(#3 NUMERIC Param.) ........... 2-50
3.7 SPECIAL Setting
(#4A SPECIAL)....................... 2-55
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CONTENTS
3.8 NCU Setting (#4B NCU) ......... 2-55
3.9 ISDN Setting (#4C ISDN) ....... 2-55
3.10 Country/Region of Installation
(#5 TYPE) ................................ 2-55
3.11 Setting the Original Reading
Functions (#6 SCANNER) ...... 2-56
3.12 Setting the Printer Parameters
(#7 PRINTER) ......................... 2-57
3.12.1 #1 SSSW Setting ............... 2-57
3.12.2 #2 NUMERIC Param.
Setting ................................ 2-59
3.12.3 #3 PRINT COUNT ............ 2-59
3.12.4 #4 PRINT RESET ............. 2-59
3.12.5 #5 MLT CLEANING......... 2-59
3.13 PDL (#8 PDL).......................... 2-59
3.14 Counter (#9 COUNTER) ......... 2-60
3.14.1 Counter .............................. 2-60
3.14.2 Clearing the Counter
Readings ............................ 2-61
3.15 Generating a Report
(#10 REPORT) ......................... 2-61
3.16 Downloading
(#11 DOWNLOAD) ................ 2-61
3.17 Clearing (#12 CLEAR) ............ 2-62
3.18 ROM Indication (#13 ROM) ... 2-62
3.19 Resetting the Contact Sensor
Position (#14 CS SET) ............ 2-62
3.20 Service Mode Default Setting .. 2-63
3.21 Test Mode (TEST MODE) ...... 2-73
3.21.1 Outline ............................... 2-73
3.21.2 List of Test Mode Items ..... 2-74
3.21.3 D-RAM Test (1: D-RAM) . 2-81
3.21.4 CCD Test (2: CCD TEST) . 2-82
3.21.5 PRINT Test (3: PRINT) ....... -83
3.21.6 MODEM NCU Test
(4: MODEM NCU) ........... 2-84
3.21.6.1 Relay Test ..................... 2-84
3.21.6.2 Frequency Test .............. 2-85
3.21.6.3 G3 Signal Transmission
Test................................ 2-85
3.21.6.4 DTMF Signal Transmission
Test................................ 2-86
3.21.6.5 Tonal/DTMF Signal
Reception Test .............. 2-86
3.21.6.6. V.34 G3 signal transmission
test................................. 2-87
3.21.7 AGING Test
(5: AGING TEST) ............. 2-88
3.21.8 FACULTY (function) Test
(6: FACULTY TEST) ........ 2-88
3.21.9 BOOK Read Test
(8: BOOK TEST) .............. 2-94
3.22 Service Report.......................... 2-95
3.22.1 Manually Generating
Reports ............................... 2-95
3.22.1.1 SYSTEM (SERVICE)
DATA LIST................... 2-95
3.22.1.2 SYSTEM DUMP LIST 2-96
3.22.1.3 KEY HISTORY
REPORT ....................... 2-98
3.22.1.4 COUNTER REPORT ... 2-99
3.22.1.5 PRINT SPEC
REPORT ..................... 2-100
3.22.2 Automatically Generated
Reports ............................. 2-100
3.22.2.1 Error TX Report
(for service) ................ 2-101
3.22.2.2 RX Report
(for service) ................ 2-102
CHAPTER 3 INSTALLATION
1 Selecting the Site ................................ 3-1
2 Unpacking and Installing the
Machine .............................................. 3-2
2.1 Before Starting ........................... 3-2
2.2 Installation Procedure ................ 3-2
2.3 Unpacking .................................. 3-3
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2.4 Fitting the Cartridge ................... 3-5
2.5 Fitting the Toner bottle .............. 3-6
2.6 Putting Paper in the Cassette ..... 3-8
2.7 Putting Paper in the Manual
Feed Tray ................................... 3-9
2.8 Connecting the Interface Cable
................................................. 3-10
CONTENTS
2.9 Connecting the Modular Cable (if equipped with fax
functions) ................................ 3-10
2.10 Connecting the Power Cord ..... 3-11
2.11 Fitting the Delivery Tray .......... 3-11
2.12 Checking the Copy Images ....... 3-11
2.13 Setting the Printer Functions .... 3-12
CHAPTER 4 OPERATION
1 Basic Operation .................................. 4-1
1.1 Reproduction Processes ............. 4-1
1.1.1 Outline ................................. 4-1
1.2 Functional Construction ............ 4-4
1.3 Outline of the Electrical
Circuitry ..................................... 4-5
1.3.1 Functional Block Diagram .. 4-5
1.3.2 Outlines of Functions .......... 4-6
1.3.2.1 Image Processor PCB ..... 4-6
1.3.2.2 DC Controller PCB ........ 4-7
1.3.2.3 Control Panel PCB ......... 4-8
1.3.2.4 Power Supply PCB ......... 4-8
1.3.2.5 Analog Processor PCB ... 4-9
1.3.2.6 Sensor PCB ..................... 4-9
1.3.2.7 Laser Driver/BD PCB ..... 4-9
1.3.2.8 Main Motor/Scanner
Motor Driver ................... 4-9
1.3.2.9 Printer Controller PCB ... 4-9
1.3.2.10 NCU PCB (if equipped
with fax functions)........ 4-10
1.3.2.11 Modular Jack PCB (if equipped with fax
functions) ...................... 4-10
1.3.2.12 Sensor Relay PCB ........ 4-10
1.4 Power-On Sequence ................. 4-11
1.5 Controlling the Main Motor .... 4-12
1.5.1 Outline ............................... 4-12
2 Image Reading/Processing System ... 4-13
2.1 Outline ..................................... 4-13
3 Laser Exposure System .................... 4-14
3.1 Outline ..................................... 4-14
4 Image Formation System .................. 4-16
4.1 Outline ..................................... 4-16
2.14 Setting Fax Functions (if equipped
with fax functions) ................... 3-13
2.14.1 Setting the Date/Time
(user mode) ........................ 3-13
2.14.2 Setting the Dial Type ......... 3-14
2.14.3 Executing Communications
Testing ............................... 3-14
3 When Relocating the Machine ......... 3-15
5 Pickup/Feeding/Delivery System ..... 4-17
5.1 Outline ..................................... 4-17
5.2 Pickup Operation ..................... 4-18
5.2.1 Pickup from the Cassette ... 4-18
5.2.1.1 Outline .......................... 4-18
5.2.1.2 Retry Pickup ................. 4-19
5.2.1.3 Detecting the Size of
Paper ............................. 4-19
5.2.2 Pickup from the Manual
Feed Tray ........................... 4-20
5.2.2.1 Outline .......................... 4-20
5.2.2.2 Retry Pickup ................. 4-21
5.2.2.3 Detecting the Size of
Paper ............................. 4-21
5.3 Feeding Operation/Delivery
Operation ................................. 4-22
5.3.1 Outline ............................... 4-22
5.3.2 Auto Delivery Control ....... 4-22
5.4 Reducing the Copying Speed .. 4-23
5.4.1 Outline ............................... 4-23
5.5 Detecting Jams ......................... 4-24
5.5.1 Outline ............................... 4-24
5.5.2 Types of Jams .................... 4-24
6 Fixing System ................................... 4-26
6.1 Outline ..................................... 4-26
6.2 Controlling the Fixing
Operation .................................. 4-27
6.2.1 Controlling the Fixing
Temperature ....................... 4-27
6.2.2 Controlling the Fixing Film
Bias .................................... 4-29
6.2.3 Fixing Heater Safety
Mechanism ......................... 4-29
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CONTENTS
6.2.4 Detecting a Fault in the
Fixing Assembly ................ 4-29
7 Power Supply System ....................... 4-31
7.1 Low Voltage Circuit ................. 4-31
7.1.1 Low Voltage Power
Supply Circuit.................... 4-31
7.1.2 Protective Functions .......... 4-33
7.2 High-Voltage Power
Supply Circuit .......................... 4-33
7.3 Controlling the ESS
Mechanism ............................... 4-33
7.3.1 Outline ............................... 4-33
7.3.2 Operation ........................... 4-33
8 Others................................................ 4-34
8.1 Fan ........................................... 4-34
8.1.1 Outline ............................... 4-34
8.2 Back-Up Batteries .................... 4-35
8.2.1 Back-Up Function ............. 4-35
8.2.1.1 Outline .......................... 4-35
8.2.1.2 Lithium Battery (BAT1)... 4-35
8.2.1.3 Vanadium Lithium Second-
ary Battery (BAT2) ....... 4-37
8.2.2 Back-Up Data .................... 4-38
8.2.2.1 Types of Data ................ 4-38
8.2.2.2 Printing the Backup
Data List ....................... 4-40
9 ADF (if equipped with ADF
functions) .......................................... 4-41
9.1 Outline ..................................... 4-41
9.2 Picking Up and Moving
Originals................................... 4-42
9.2.1 Outline ............................... 4-42
9.2.2 Moving Down the Original Pickup Roller and Moving Up
the Original Stopper .......... 4-43
9.3 Detecting an Original Jam ....... 4-44
9.3.1 Outline ............................... 4-44
9.3.2 Types of Jams .................... 4-44
CHAPTER 5 MECHANICAL SYSTEM
1 Points to Note When Disassembling/
Assembling the Machine .................... 5-1
2 Disassembly ........................................ 5-4
2.1 Externals/Auxiliary System ....... 5-4
2.1.1 External Covers ................... 5-4
2.1.1.1 Removing the Left Cover/
Rear Cover ...................... 5-5
2.1.1.2 Removing the Right
Cover .............................. 5-5
2.1.1.3 Removing the Toner
Supply Cover .................. 5-6
2.1.1.4 Removing the Front
Cover .............................. 5-7
2.1.1.5 Removing the Delivery
Cover .............................. 5-7
2.1.1.6 Removing the Delivery Upper Cover/Delivery
Rear Cover ...................... 5-8
2.1.1.7 Removing the Cartridge
Cover .............................. 5-8
2.1.1.8 Removing the Upper
Cover .............................. 5-9
2.1.1.9 Removing the Right
Door .............................. 5-11
2.1.2 Removing the Control
Panel .................................. 5-11
2.1.3 Removing the Copyboard
Glass .................................. 5-13
2.1.4 Removing the Main Motor
Unit .................................... 5-14
2.1.5 Remove the Fan ................. 5-17
2.1.6 Removing the Reader Unit
Slide Detecting Switch ...... 5-19
2.1.7 Removing the Toner Supply
Cover Switch ..................... 5-20
2.1.8 Removing the Humidity
Sensor ................................ 5-20
2.1.9 Removing the Toner Bottle
Sensor ................................ 5-21
2.1.10 Removing the Waste Toner
Full Sensor ......................... 5-21
2.2 PCBs ........................................ 5-22
2.2.1 Removing the Image
Processor PCB ................... 5-22
2.2.2 Removing the Analog
Processor PCB ................... 5-23
2.2.3 Removing the Sensor
PCB.................................... 5-25
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CONTENTS
2.2.4 Removing the DC Controller PCB/Power Supply PCB ... 5-26
2.2.5 Removing the Printer
Controller PCB .................. 5-30
2.2.6 Removing the NCU PCB (if equipped with fax
functions) .......................... 5-31
2.2.7 Removing the Modular Jack
PCB.................................... 5-31
2.2.8 Removing the Sensor Relay
PCB.................................... 5-31
2.3 Original Reading/
Processing System ................... 5-32
2.3.1 Removing the Contact
Sensor ................................ 5-32
2.3.2 Removing the Reader Motor
Drive Unit .......................... 5-33
2.3.3 Removing the Reader Unit 5-35
2.4 Laser Exposure System ............ 5-37
2.4.1 Removing the Laser Scanner
Unit .................................... 5-37
2.5 Image Formation System ......... 5-39
2.5.1 Removing the Transfer
Charging Roller ................. 5-39
2.5.2 Removing the Developing Cylinder/Developing Blade 5-40
2.5.3 Notes on replacing the Developing Cylinder/
Developing Blade .............. 5-43
2.6 Pickup/Feeding System ........... 5-44
2.6.1 Removing the Cassette
Pickup Roller ..................... 5-44
2.6.2 Removing the Cassette
Pickup Solenoid ................. 5-46
2.6.3 Removing the Manual
Feed Tray (upper) .............. 5-48
2.6.4 Removing the Manual
Feed Tray (lower) .............. 5-48
2.6.5 Removing the Manual
Feed Pickup Roller ............ 5-49
2.6.6 Removing the Separation
Pad ..................................... 5-50
2.6.7 Removing the Manual Feed Pickup Solenoid/Manual Feed
Tray Paper Sensor .............. 5-50
2.6.8 Removing the Vertical Path
Roller ................................. 5-51
2.6.9 Removing the Registration
Roller Unit ......................... 5-54
2.7 Fixing System .......................... 5-55
2.7.1 Removing the Fixing
Assembly ........................... 5-55
2.7.2 Removing the Fixing Film Unit/
Fixing Pressure Roller ....... 5-57
2.7.3 Removing the Delivery
Sensor ................................ 5-58
2.8 ADF System (if equipped with
ADF functions) ........................ 5-59
2.8.1 Externals/Auxiliary Control
System ............................... 5-59
2.8.1.1 Removing the ADF ....... 5-59
2.8.1.2 Removing the ADF Drive
Unit ............................... 5-61
2.8.1.3 Removing the ADF Motor
Unit ............................... 5-62
2.8.1.4 Removing the Slide Guide
(front, rear) ................... 5-63
2.8.1.5 Mounting the Slide Guide
(front, rear) ................... 5-64
2.8.2 Pickup System ................... 5-65
2.8.2.1 Removing the Separation
Roller Unit .................... 5-65
2.8.2.2 Removing the Original Pickup roller/Original
Separation roller ........... 5-67
2.8.2.3 Removing the Original Sen­sor/Registration Sensor. 5-67
2.8.2.4 Removing the Original
Separation Pad .............. 5-68
2.8.2.5 Removing the ADF
Registration Roller........ 5-69
2.8.3 Feeding System ................. 5-71
2.8.3.1 Removing the White
Roller ............................ 5-71
2.8.3.2 Removing the Feeding
Outside Guide ............... 5-72
2.8.3.3 Removing the Feed Roll5-73
2.8.3.4 Removing the Original
Feed Roller ................... 5-74
2.8.4 Delivery System................. 5-75
2.8.4.1 Removing the Delivery Stacking Tray/Original
Delivery Roller ............. 5-75
2.8.4.2 Removing the Original
Delivery Sensor ............ 5-76
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CONTENTS
CHAPTER 6 MAINTENANCE AND INSPECTION
1 Periodically Replaced Parts ................ 6-1
2 Durables .............................................. 6-1
3 Scheduled Servicing Chart ................. 6-1
4 Cleaning .............................................. 6-2
4.1 Cleaning by the User (machine) 6-2
4.1.1 Cleaning the Fixing Pressure
Roller ................................... 6-2
4.1.2 Other Cleaning..................... 6-2
4.2 Cleaning by the User (ADF) ...... 6-3
4.2.1 Cleaning the White Roller6-3
4.2.2 Other Cleaning................ 6-3
4.3 Cleaning at Time of a Service
Visit (machine) ........................... 6-4
4.3.1 Selfoc Lens Array of the
Contact Sensor ..................... 6-4
4.3.2 Cassette Pickup Roller ......... 6-5
4.3.3 Manual Feed Pickup Roller . 6-5
4.3.4 Separation Pad ..................... 6-5
4.3.5 Registration Roller............... 6-5
4.3.6 Transfer Guide ..................... 6-5
4.3.7 Transfer Charging Roller ..... 6-5
4.3.8 Separation Static Eliminator . 6-5
4.3.9 Paper Path ............................ 6-5
4.3.10 Fixing Inlet Guide ................ 6-5
4.3.11 Fixing Pressure Roller ......... 6-5
4.3.12 Delivery Roller ..................... 6-6
4.3.13 Back of Copyboard Glass
(Back of Shading Plate) ....... 6-6
4.4 Cleaning at Time of a Service
Visit (ADF) ................................ 6-7
4.4.1 Original Pickup Roller......... 6-7
4.4.2 Original Separation Roller ... 6-7
4.4.3 Original Separation Pad ....... 6-7
4.4.4 ADF Registration Roller...... 6-7
4.4.5 Original Feed Roller ............ 6-7
4.4.6 Original Delivery Roller ...... 6-7
4.4.7 Copyboard Glass
(Original Reading Area) ...... 6-8
CHAPTER 7 TROUBLESHOOTING
1 Standards and Adjustments ................. 7-1
1.1 Checking Against the
Standards .................................... 7-1
1.1.1 Checking the Pressure (nip) of the Fixing Pressure Roller ... 7-1
1.2 Making Adjustments .................. 7-3
1.2.1 Making Adjustments When
Replacing Major Parts ......... 7-3
1.2.2 Preparing a Test Sheet for
Adjustment .......................... 7-4
1.2.3 Adjusting the Mechanical
Systems ............................... 7-5
1.2.4 Adjusting the Electrical
Systems ................................ 7-5
1.2.4.1 Contact Sensor LED Intensity Auto
Adjustment ..................... 7-5
1.2.4.2 Leading Edge Read Start
Position Adjustment ........ 7-6
1.2.4.3 Left/Right Edge Read
1.3 Making Adjustments (ADF) ...... 7-8
1.3.1 Items of Adjustment and
Sequence of Work................ 7-8
1.3.2 Preparing a Test Sheet for
Adjustment .......................... 7-8
1.3.3 Adjusting the Mechanical
Systems ................................ 7-9
1.3.3.1 Removing the Skew ........ 7-9
1.3.3.2 Left/Right Registration
1.3.4 Adjusting the Electrical
Systems .............................. 7-12
1.3.4.1 Registration Arch Auto
1.3.4.2 Original Read Position
Start Position Adjustment 7-7
Adjustment ................... 7-10
Adjustment ................... 7-12
Adjustment .................... 7-12
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CONTENTS
1.3.4.3 Original Speed
Adjustment ................... 7-13
1.3.4.4 Leading Edge Read Start
Position Adjustment ..... 7-14
1.3.4.5 Trailing Edge Read End
Position Adjustment ..... 7-15
1.4 When Replacing a Component 7-16
1.4.1 When Replacing the Image
Processor PCB ................... 7-16
1.4.1.1 Before Starting the Work7-16
1.4.1.2 After Finishing the Work7-17
2 Troubleshooting ................................ 7-18
2.1 Making Initial Checks.............. 7-18
2.1.1 Site Environment ............... 7-18
2.1.2 Checking the Drum Unit ... 7-18
2.1.3 Checking the Paper ............ 7-18
2.1.4 Others ................................ 7-18
2.2 Troubleshooting Flow Chart .... 7-19
2.3 Making Checks in Response to
an Image Fault ......................... 7-20
2.3.1 Checking the Originals
Against the Symptom ........ 7-20
2.3.2 Copyboard Glass and White
Sheet .................................. 7-20
3 Troubleshooting Image Faults .......... 7-21
3.1 Troubleshooting Procedure for
Image Faults ............................. 7-21
3.1.1 The output is too light. ...... 7-22
3.1.2 The output is too dark........ 7-25
3.1.3 The output is foggy vertically
........................................... 7-26
3.1.4 The output has fuzzy, black
vertical lines....................... 7-26
3.1.5 The output is foggy
horizontally. ....................... 7-27
3.1.6 The output has fuzzy, black
horizontal lines. ................. 7-27
3.1.7 The output has black lines
(vertical)............................. 7-28
3.1.8 The output has black lines
(horizontal). ....................... 7-28
3.1.9 The output has white spots
(vertical)............................. 7-28
3.1.10 The output has white lines
(vertical)............................. 7-28
3.1.11 The output has white spots
(horizontal). ....................... 7-29
3.1.12 The output has white lines
(horizontal). ....................... 7-29
3.1.13 The output is soiled. .......... 7-30
3.1.14 The back of the output is
soiled.................................. 7-31
3.1.15 The output has a fixing
fault .................................... 7-32
3.1.16 The output has left/right displace-
ment. .................................. 7-33
3.1.17 The output has a blurry
image. ................................ 7-33
3.1.18 The output has poor sharpness
(out of focus). .................... 7-34
3.1.19 The output is blank. ........... 7-35
3.1.20 The output is solid black. .. 7-37
4 Troubleshooting Malfunctions ......... 7-38
4.1 Troubleshooting Malfunctions
(service error) ........................... 7-38
4.2 Troubleshooting Malfunctions
(other than service error) ......... 7-42
4.2.1 Power is absent. ................. 7-42
4.2.2 The LCD fails to operate. .. 7-42
4.2.3 The contact sensor fails to
move. ................................. 7-43
4.2.4 The contact sensor LED
fails to go ON. ................... 7-43
4.2.5 The speaker fails to generate
sound. ................................ 7-44
4.2.6 The message “CHECK TONER/ DRUM CRG” fails to go
OFF ................................... 7-44
4.2.7 The message “SUPPLY REC. PAPER DRAWER:” fails to go
OFF. (cassette) ................... 7-45
4.2.8 The message “SUPPLY REC. PAPER S.B.:” fails to go OFF.
(manual feed tray).............. 7-45
4.2.9 The message “REC. PAPER JAM SLIDE PLATEN LEFT”
fails to go OFF. .................. 7-46
4.2.10 The message “PLATEN/COVER IS OPEN CLOSE PLATEN/ COVER” fails to go OFF. .. 7-47
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xi
CONTENTS
4.3 Troubleshooting Malfunctions (if equipped with ADF
functions) ................................. 7-48
4.3.1 Original pickup fails. .......... 7-48
4.4 Troubleshooting Malfunctions
(printer functions) .................... 7-49
4.4.1 Printing fails to start. ......... 7-49
4.4.2 Printing stops in the
middle ................................ 7-49
4.5 Troubleshooting (faults unique to models equipped
with fax functions) ................... 7-51
4.5.1 Troubleshooting
Communication Faults....... 7-51
4.5.2 Service Error Code Output 7-53
4.5.3 Error Codes ........................ 7-53
4.5.3.1 Transmission Level (ATT): No.07 of Service Soft Switch
#2 MENU ..................... 7-53
4.5.3.2 NL Equalizer: No.05 of Service Soft Switch
#2 MENU ..................... 7-53
4.5.3.3 Transmission Page Timer: SW12 of Service Soft Switch
#1 SSSW....................... 7-53
4.5.3.4 T0 Timer: No.10 of Service Soft Switch #3 NUMERIC
param. ........................... 7-53
4.5.3.5 T1 Timer: No.11 of Service Soft Switch #3 NUMERIC
param. ........................... 7-54
4.5.3.6 RTN Signal Transmission Condition: No. 02, 03, and 04 of Service Soft Switch
#3 NUMERIC param.... 7-54
4.5.3.7 Echo Remedy................ 7-54
4.5.3.8 Echo Protect Tone: SW03 bit 1 of Service Soft Switch
#1 SSSW....................... 7-54
4.5.3.9 Number of Final Flag Sequences: SW04 bit 2 of Service Soft Switch
#1 SSSW....................... 7-54
4.5.3.10 Subaddress .................... 7-55
4.5.3.11 Password ....................... 7-55
4.5.3.12 Signals .......................... 7-55
4.5.3.13 Timer............................. 7-56
4.5.4 How to Record the
Protocol.............................. 7-57
4.5.5 Causes and Remedies for
User Error Codes ............... 7-58
4.5.6 Causes and Remedies for
Service Error Codes ........... 7-63
4.5.7 Common Faults ................. 7-85
5 Troubleshooting Feeding Faults ....... 7-86
5.1 Outline ..................................... 7-86
5.2 Paper Jams ............................... 7-87
5.2.1 Pickup Assembly (cassette) 7-87
5.2.2 Pickup Assembly
(manual feed tray).............. 7-89
5.2.3 Feeding Assembly ............. 7-91
5.2.4 Fixing Delivery Assembly . 7-93
5.2.5 Checking the Rotation of the
Rollers and Gears .............. 7-94
5.2.5.1 Checking the Rotation of the Cassette Pickup Roller and the Vertical Path Roller . 7-94
5.2.5.2 Checking the Rotation of the Registration Roller and the Gear for the Photosensitive
Drum ............................. 7-94
5.3 Original Jams (if equipped with
ADF functions) ........................ 7-95
5.4 Feeding Faults .......................... 7-96
5.4.1 Double Feeding ................. 7-96
5.4.2 Wrinkles ............................ 7-97
5.5 Faulty Feeding of Originals (if equipped with ADF functions) 7-98
5.5.1 Double Feeding ................. 7-98
5.5.2 Skew .................................. 7-98
6 Arrangement of the Electrical Parts.. 7-99
6.1 Checking the
Photointerrupters ...................... 7-99
6.2 Arrangement and Functions of
Electrical Components ........... 7-101
6.2.1 Solenoids, Motors, Fans .. 7-101
6.2.1.1 Body ........................... 7-101
6.2.1.2 ADF (if equipped with
ADF functions) ........... 7-102
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CONTENTS
6.2.2 Sensors ............................ 7-103
6.2.2.1 Body ........................... 7-103
6.2.2.2 ADF (if equipped with
ADF functions) ........... 7-104
6.2.3 Others .............................. 7-105
6.2.4 PCBs ................................ 7-107
APPENDIX
1 General Timing Chart ........................ A-1
2 General Circuit Diagram.................... A-3
6.3 Variable Resistors, Light Emitting Diodes (LED), and Check
Pins by PCB ........................... 7-109
6.3.1 Image Processor PCB ...... 7-109
6.3.2 DC Controller PCB .......... 7-110
3 List of Special Tools .......................... A-5
4 List of Solvents and Oils ................... A-6
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xiii

CHAPTER 1

PRODUCT OUTLINE
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1 Specifications

1.1 Type
CHAPTER 1 PRODUCT OUTLINE
Item
Body Copyboard glass Light source Lens Photosensitive medium
1.2 Mechanisms
Item
Reproduction Charging Exposure Copy density adjustment Development Pickup
Transfer Separate Cleaning Fixing
Specifications
Desk top (ADF standard type, copyboard standard type) Fixed LED CIS (contact sensor) OPC drum (30-mm dia.) : Drum unit
Specifications
Indirect electrostatic Roller contact Semiconductor laser Auto or manual Dry, 1-component toner projection Cassette: 1 cassette Multifeeder: 1 feeder Roller transfer Static (static eliminator) + curvature Rubber blade SURF (on-demand)
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1-1
CHAPTER 1 PRODUCT OUTLINE
1.3 Functions
Item
Resolution
printer engine copy
print Original type Maximum original size Reproduction ratio Zoom Wait time First copy time
Continuous reproduction Reproduction size
250-sheet cassette
(Fixed to A4 size)
250-sheet cassette
(Universal)
500-sheet cassette
Manual feed tray
Paper type
250-sheet cassette
500-sheet cassette
Manual feed tray
Cassette Manual feed tray capacity Delivery tray capacity Non-image width
Specifications
600 x 600 dpi 1200 equivalent x 600 dpi 2400 equivalent x 600 dpi Sheet, book, 3-D object (2 kg max.) A4 (297 × 210 mm / 11.7" × 8.3"), LGL (356 × 216 mm / 14.0" × 8.5") AB:4R3E, A:2R2E, Inch:3R2E 50% to 200% (1% increments)
8.5 sec (after plug in) / 1.0 sec (after pressing Energy Saver key) 13 sec or less
21.5 sec (after plug in) 18 sec (after pressing Energy Saver key) 99 pages max.
A4
LGL, LTR, A4, B5
LGL, LTR, A4 Width: 76.2 to 216 mm (3.0" to 8.5") Length: 127 to 356 mm (5.0" to 14.0") Weight: 56 to 128 g/m
Plain paper (64 to 80 g/m2), recycled paper (64 to 80 g/m2), col­ored paper (64 to 80 g/m Plain paper (64 to 80 g/m ored paper (64 to 80 g/m Plain paper (64 to 80 g/m ored paper (64 to 80 g/m postcard, thick paper (56 to 128 g/m Claw separation, front loading 10 mm deep, (about 100 sheets of 80 g/m 100 sheets max. Leading edge: 3.0 ± 2.0 mm (0.12" ± 0.08"), left/right edge: 2.5 ±
2.0 mm (0.10" ± 0.08")
2
2
)
2
), recycled paper (64 to 80 g/m2), col-
2
)
2
), recycled paper (64 to 80 g/m2), col-
2
), transparency, tracing paper, label,
2
), envelope
2
paper)
1-2
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CHAPTER 1 PRODUCT OUTLINE
Item
AE Image mode Toner save mode Special mode
Auto power-off Power save mode
N-on-1 1-on-N memory copy Auto copy start Jam recovery Auto clear Date/time set Weekly timer Toner level detection* Cassette paper level detection LGL size detection Toner supply cover open/closed detection Toner bottle position detection Humidity sensor Waste toner full detection e-Maintenance
3
Specifications
Ye s Yes (text, text/photo, photo) Ye s Yes: Tracing paper mode, transparency mode, special paper 1
1
mode*
, special paper 2 mode* No Yes (manually ON/OFF, auto OFF after specific time, auto ON after fax reception/print data reception) Yes (in some functions, 2-on-1) Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s Ye s
2
*1: Thick paper mode; including paper of 105 to 128 g/m2 and Bond paper with poor sur-
face characteristics. *2: Thick paper H mode; envelope, etc. *3: At this time, the copier/printer is capable of printing only so many prints, suspending
operation thereafter.
In the case of fax, select “Print” or “Remain the image data in the memory” at the user
mode display in advance. Follow the action selected at the user mode.
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1-3
CHAPTER 1 PRODUCT OUTLINE
1.4 Others
Item
Operating environment
Temperature range Humidity range Atmospheric pressure
range Power supply Serial number
Power consumption
Maximum
Standby
Operation
Energy save stanby Noise
Standby
Copying
Ozone (after 50000 pages) Dimensions
Width
Depth
Height
250-Sheet cassette 500-Sheet cassette
Weight
250-Sheet cassette 500-Sheet cassette
Consumables storage
Paper
Toner
Specifications
0° to 35°C / 32° to 95°F 35% to 85%
0.61 to 1.01 hPa (0.6 to 1 atm)
120V (50/60Hz), 230V (50/60Hz) MTCxxxx MTDxxxx MTExxxx MTFxxxx MTGxxxx PVZxxxx QTLxxxx TMxxxx UMAxxxx UNAxxxx UPAxxxx UVBxxxx UVCxxxx UVDxxxx UVExxxx UVFxxxx UVGxxxx UVHxxxx UVJxxxx ZTWxxxx ZTYxxxx ZTZxxxx ZUBxxxx
780 W or less 16 W (approx.; reference only) 280 W (approx.; reference only) 2 W or less (approx.; reference only)
Copyboard type: 40 dB or less (impulse mode) ADF type: 40 dB or less (impulse mode: reference) Copyboard type: 66 dB or less (fast mode) ADF type: 69 dB or less (fast mode: reference)
0.05 ppm (Ave.)
Copyboard type: 475 mm (18.7"), ADF type: 475 mm (18.7") Copyboard type: 442 mm (17.4"), ADF type: 442 mm (17.4")
Copyboard type: 295 mm (11.6"), ADF type: 352 mm (13.9") Copyboard type: 327 mm (12.9"), ADF type: 384 mm (15.1")
Copyboard type: 20.5 kg, ADF type: 22.6 kg Copyboard type: 21.9 kg, ADF type: 24.0 kg
Keep wrapped to avoid humidity. Avoid direct sunshine, and store between 0° and 35°C / 32° and 95°F, between 35% and 85%.
1-4
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1.5 Reproduction Ratio
CHAPTER 1 PRODUCT OUTLINE
Item
Direct Reduce I Reduce II Reduce III Reduce IV Reduce V Reduce VI Enlarge I Enlarge II Enlarge III Enlarge IV
4R3E
(AB configuraiton)
1 : 1.000 1 : 0.500
1 : 0.707
1 : 0.816 1 : 0.865 1 : 1.154
1 : 1.414 1 : 2.000
2R2E
(A configuration)
1 : 1.000 1 : 0.500
1 : 0.707
1 : 1.414 1 : 2.000
3R2E
(Inch configuration)
1 : 1.000 1 : 0.500 1 : 0.647
1 : 0.786
1 : 1.294
1 : 2.000
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1-5
CHAPTER 1 PRODUCT OUTLINE
1.6 Copying Speed
1.6.1 Copying Speed (AB type, A type)
Ratio
Size
Paper size
copies/min
Cassette
Manual
feed tray
Direct
Reduce I (50.0%)
III (70.7%)
2
V*
(81.6%)
2
VI*
(86.5%)
*2
EnlargeI
(115.4%) III (141.4%) IV (200.0%)
A4 (210 × 297mm / 8.3" × 11.7") B5 (182 × 257mm / 7.2" × 10.1") A5 (149 × 210mm / 5.9" × 8.3") A4R postcard A4R A5R B5R A5R A4R B5R
B5R A4R A5R A4R postcard A4R
A4 B5 A5
postcard
A5 A5 B5
A4 A4 A4
12 13
-
-
-
-
13
12 12 12
6
12 13 13
*3
13 13 13
12 12 12
*1: If the manual feed tray is in use, the copying speed is indicated assuming that the paper
size setting is correct. *2: AB-configured paper only. *3: In the case of “Special paper 2 mode” selected at the user menu.
*1
The machine performs 3-step copying speed reduction control designed to prevent crack­ing of the fixing heater, otherwise possibly occurring as a result overheating of the ends of the fixing assembly. (See 5.4 of Chapter 4.)
1-6
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1.6.2 Copying Speed (Inch type)
CHAPTER 1 PRODUCT OUTLINE
Ratio
Size
Paper size
copies/min
Cassette
Manual
feed tray
Direct
Reduce I (50.0%)
II (64.7%) IV (78.6%)
Enlarge II (129.4%)
IV (200.0%)
LTR (216 × 279mm / 8.5" × 11.0") LGL (216 × 356mm / 8 .5" × 14.0") STMTR (139 × 216mm / 5.5" × 8.5") MIN LGL STMT LGL LTR
STMTR LTRR MAX (LTR)
LT R
LGL STMT STMT STMT
LT R
LT R
LT R
13 10
13
13 13
13 10
-
-
-
13 13 13 13
13 13
*1: If the manual feed tray is in use, the copying speed is indicated assuming that the paper
size setting is correct.
The machine performs 3-step copying speed reduction control designed to prevent crack­ing of the fixing heater, otherwise possibly occurring as a result overheating of the ends of the fixing assembly. (See 5.4 of Chapter 4.)
*1
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1-7
CHAPTER 1 PRODUCT OUTLINE
1.7 ADF (if equipped with ADF functions)
Items
Pickup Original type Original size
Original orientation Original position Original processing mode Original reading Stack
Mixed original sizes Original AE detection Original size recognition Stamp Power supply Operating environment
Specifications
Auto pickup/delivery (top separation by double-pad)
2
Single-sided sheet (50 to 128 g/m A4R, B5R, A5R, B6, LGL, LTRR, STMTR Length: 128 to 356 mm (5" to 14"), width: 139 to 216 mm (5.5" to
8.5") Face-down Center reference From single-sided to single-sided Stream reading 30 sheets or less (if A4/LTR or smaller) 15 sheets or less (if LGL) Yes (only if of the same paper configuration) No No No From host (5 VDC and 24 V) Same as host
)
The machine may not be able to handle the following types of originals:
• original with a carbon back
• original made of multiple layers (pasted, bound)
• original with a cut-off, 5 or more holes, or tear
• original with a clip, adhesive tape, or glue
• original with curling, wrinkling, or appreciable bending
• transparency
Advise the user to remove as much curling as possible, if any, and place the original in the
original tray so that the side with the curling is the trailing edge.
1-8
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CHAPTER 1 PRODUCT OUTLINE
1.8 FAX (if equipped fax functions)
1.8.1 Communications specifications
Applicable lines
Analog line (one line)
• PSTN (Public Switched Telephone Network)
Transmission method
Half-duplex
Transmission control protocol
ITU-T T.30 binary protocol/ECM protocol
Modulation method
G3 image signals ITU-T V.27ter (2.4kbps, 4.8kbps)
ITU-T V.29 (7.2kbps, 9.6kbps) ITU-T V.17 (14.4kbps, 12kbps, TC9.6kbps, TC7.2kbps) ITU-T V.34 (2.4Kbps, 4.8Kbps, 7.2Kbps, 9.6Kbps, 12Kbps,
14.4Kbps, 16.8Kbps, 19.2Kbps, 21.6Kbps, 24Kbps, 26.4Kbps,
28.8Kbps, 31.2Kbps, 33.6Kbps)
G3 procedure signals ITU-T V.21 (No.2) 300bps
ITU-T V.8, V34 (300bps, 600bps, 1200bps)
Transmission speed
33.6Kbps, 31.2Kbps, 28.8Kbps, 26.4Kbps, 24Kbps, 21.6Kbps, 19.2Kbps, 16.8Kbps,
14.4Kbps, 12Kbps, TC9.6Kbps, TC7.2Kbps, 9.6Kbps, 7.2Kbps, 4.8Kbps, 2.4Kbps
With automatic fallback function
Coding
MH, MR, MMR, JBIG
Error correction
ITU-T ECM
Canon express protocol
None
Transmission output level
from 0 to -15 dBm
Minimum receive input level
-43 dBm (at. V.17)
Modem IC
CONEXANT FM336
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1-9
CHAPTER 1 PRODUCT OUTLINE
1.8.2 Scanner section specifications
Scanning method
Contact sensor scanning method
Scanning line density
Horizontal: Standard/Fine/Superfine 203.2 dpi (8 dots/mm) Ultrafine 406.4 dpi (16 dots/mm) (Interpolated) Vertical: Standard 97.79 dpi (3.85 lines/mm) Fine 195.58 dpi (7.7 lines/mm) Superfine/Ultrafine 391.16 dpi (15.4 lines/mm)
Scanning density adjustment
Light, Standard, Dark: The density level of each mode can be selected
by the user mode menu.
Half tone
64-gradation error diffusion system
1.8.3 Printer section specifications
Printing resolution
600dpi × 600dpi
Reduction for reception
Fixed reduction (75%, 90%, 95%, 97%) Auto reduction (70~100%)
1-10
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1.8.4 Functions
STAMP
None
FAX/TEL switching
Method CNG detection
Message None
Pseudo CI None
Answering machine connection
Yes (Telephone answering priority type)
CNG detection
DPRD
Ye s
CHAPTER 1 PRODUCT OUTLINE
Polling
Polling transmission
None
Polling reception
Receives from a fax in automatic transmission mode
One touch locations Max. 12
Confidential reception
None
Confidential transmission
None
Remote reception
Method ID call# (ID input method)
Remote ID (with ID call#) 2 digits (Default : 25)
Memory reception
Ye s
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1-11
CHAPTER 1 PRODUCT OUTLINE
Auto dialing
Telephone number digits Average 39 digits One-touch dial Max. 12 Coded speed dial Max. 100 Group dial Max. 111 (One-touch : 11, Coded speed dial : 100) Redial Numeric button redial function (max. 120 digits)
Delayed transmission
Locations Max. 122 (One-touch : 12, Coded speed dial : 100)
Numeric button: 10)
No. of reseruation Max. 20
Broadcast transmission
Locations Max. 122 (One-touch : 12, Coded speed dial : 100)
Numeric button: 10)
Group button addresses Max. 111 (One-touch : 11, Coded speed dial : 100)
Relay broadcasting originating
None
Relay broadcasting
None
Closed network
None
Direct mail prevention
None
Dual access
File No. of reservation Max. 21 files
1-12
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