Canon imageRUNNER ADVANCE C7065, imageRUNNER ADVANCE C9075 PRO, imageRUNNER ADVANCE 9070 PRO, imageRUNNER ADVANCE 9060 PRO, imageRUNNER ADVANCE 9065 PRO Service Manual

987654321

imageRUNNER ADVANCE
C9075 PRO/9070 PRO/9065 PRO/9060
PRO/C7065/7055
Service Manual

October 27, 2009

Revision 0

Contents

0 Safety Precautions

CDRH Act -----------------------------------------------------------------------0-2

Laser Safety --------------------------------------------------------------------0-2
Handling of Laser System --------------------------------------------------0-2
Turn power switch ON -------------------------------------------------------0-3

Safety of Toner -----------------------------------------------------------------0-3

About Toner ------------------------------------------------------------------------- 0-3
Toner on Clothing or Skin -------------------------------------------------------- 0-3

Notes When Handling a Lithium Battery --------------------------------0-4
Notes Before it Works Serving ---------------------------------------------0-4

1 Product Overview

Product lineups ----------------------------------------------------------------1-2

Main unit ----------------------------------------------------------------------------- 1-2
Pickup/delivery options ----------------------------------------------------------- 1-2

Applicable options for each model ----------------------------------------------------- 1-2
Compulsory options and conditions ---------------------------------------------------- 1-3

Scanning options ------------------------------------------------------------------- 1-5

Compulsory options and conditions ---------------------------------------------------- 1-5

Expanded-feature options ------------------------------------------------------- 1-6

Compulsory options and conditions ---------------------------------------------------- 1-6

Features -------------------------------------------------------------------------1-7

Product features -------------------------------------------------------------------- 1-7

Features on service work -------------------------------------------------------- 1-8

New Service Mode ------------------------------------------------------------------------- 1-8

Improvement on operability for version upgrading ---------------------------------1-8

Display specications of Jam/Error codes ------------------------------------------- 1-8
Introduction of new connectors---------------------------------------------------------- 1-9

Improvement of serviceability-----------------------------------------------------------1-10

Specications ----------------------------------------------------------------1-11

Specications of main unit ------------------------------------------------------1-11
Power supply specications ----------------------------------------------------1-12

Weight - size -----------------------------------------------------------------------1-13
Productivity (print speed) -------------------------------------------------------1-13
Paper type --------------------------------------------------------------------------1-14

Pickup ----------------------------------------------------------------------------------------1-14

Name of Parts ----------------------------------------------------------------1-16

External View ----------------------------------------------------------------------1-16

Outer Covers --------------------------------------------------------------------------------1-16

Switches, I/F, others-----------------------------------------------------------------------1-16

Sectional View ---------------------------------------------------------------------1-17

Operation ---------------------------------------------------------------------------1-17

Power Supply Switches ------------------------------------------------------------------1-17
Control Panel -------------------------------------------------------------------------------1-18

2 Technology

Basic Conguration -----------------------------------------------------------2-2

Functional Conguration --------------------------------------------------------- 2-2

Basic Sequence -------------------------------------------------------------------- 2-3

Basic sequence at power ON------------------------------------------------------------ 2-3
Basic sequence at printing <Condition:Full color, Cassette 3, A4 1-sided (1

sheet)> ---------------------------------------------------------------------------------------- 2-4

Basic sequence at power ON <Condition:Monochrome, Cassette 3, A4 1-sided

(1 sheet)> ------------------------------------------------------------------------------------- 2-5

Controller System -------------------------------------------------------------2-1

Overview ----------------------------------------------------------------------------- 2-1

Specications/conguration -------------------------------------------------------------- 2-1
Boot/Shutdown sequence ---------------------------------------------------------------- 2-5

Controls ------------------------------------------------------------------------------ 2-7

Overview -------------------------------------------------------------------------------------- 2-7
Control Panel Control ---------------------------------------------------------------------- 2-7
Image Processing Control ---------------------------------------------------------------- 2-8
Counter Control ----------------------------------------------------------------------------- 2-9
Fan --------------------------------------------------------------------------------------------- 2-9
Power Control Function ------------------------------------------------------------------2-11

Protective Function ------------------------------------------------------------------------2-11
Backup Battery -----------------------------------------------------------------------------2-12

Power-saving function --------------------------------------------------------------------2-12
Security features (encryption key and certicate, password protection) -----2-13

High capacity HDD (Option) ------------------------------------------------------------2-20
HDD mirroring feature (option) ---------------------------------------------------------2-21
Removable HDD (option) ----------------------------------------------------------------2-23

Service Operations ---------------------------------------------------------------2-24

When Replacing Parts -------------------------------------------------------------------2-24

Laser Exposure System -----------------------------------------------------2-1

Overview ----------------------------------------------------------------------------- 2-1

Overview -------------------------------------------------------------------------------------- 2-1
Specications -------------------------------------------------------------------------------- 2-3
Parts Conguration ------------------------------------------------------------------------- 2-3

Controls ------------------------------------------------------------------------------ 2-5

Overview -------------------------------------------------------------------------------------- 2-5
Laser ON Timing Control ----------------------------------------------------------------- 2-5
Laser Beam Intensity Control ------------------------------------------------------------ 2-7
Skew correction in horizontal scanning direction ----------------------------------- 2-8
Duplex print magnication correction -------------------------------------------------- 2-9
Laser Scanner Motor Control -----------------------------------------------------------2-10
Laser Shutter Control ---------------------------------------------------------------------2-11

Servicing ----------------------------------------------------------------------------2-12

Periodically Replaced Parts -------------------------------------------------------------2-12
Consumable Parts -------------------------------------------------------------------------2-12
Periodical Servicing List------------------------------------------------------------------2-12
When Replacing Parts--------------------------------------------------------------------2-12
Major Adjustments -------------------------------------------------------------------------2-12

Image Formation System ---------------------------------------------------2-1

Overview ----------------------------------------------------------------------------- 2-1

Overview -------------------------------------------------------------------------------------- 2-1
Specications -------------------------------------------------------------------------------- 2-1
Parts Conguration ------------------------------------------------------------------------- 2-6
Drive Conguration ------------------------------------------------------------------------- 2-8

Printing Process ----------------------------------------------------------------------------2-11

Controls -----------------------------------------------------------------------------2-12

Overview -------------------------------------------------------------------------------------2-12
Process Unit (Bk) --------------------------------------------------------------------------2-14

Process Unit (CL) --------------------------------------------------------------------------2-21
Transfer Assembly -------------------------------------------------------------------------2-24
Toner Supply Assembly ------------------------------------------------------------------2-31
Waste Toner Feed Assembly -----------------------------------------------------------2-35
Image Stabilization Control--------------------------------------------------------------2-36

Servicing ----------------------------------------------------------------------------2-59

Periodically Replaced Parts -------------------------------------------------------------2-59
Consumable Parts -------------------------------------------------------------------------2-59
Periodical Servicing List------------------------------------------------------------------2-59
When Replacing Parts--------------------------------------------------------------------2-60
Major Adjustments -------------------------------------------------------------------------2-60

Fixing System ------------------------------------------------------------------2-1

Overview ----------------------------------------------------------------------------- 2-1

Overview -------------------------------------------------------------------------------------- 2-1
Specications -------------------------------------------------------------------------------- 2-2
Parts Conguration ------------------------------------------------------------------------- 2-3
Drive Conguration ------------------------------------------------------------------------- 2-4

Basic Sequence ----------------------------------------------------------------------------- 2-5

Controls ------------------------------------------------------------------------------ 2-6

Overview -------------------------------------------------------------------------------------- 2-6
Heat Control ---------------------------------------------------------------------------------- 2-6
Fixing Temperature Control -------------------------------------------------------------- 2-7
Edge Heat Rising Prevention Control ------------------------------------------------2-10
Down Sequence Control -----------------------------------------------------------------2-11
Pressure Belt Cooling Control ----------------------------------------------------------2-12
Paper Wrapping Detection --------------------------------------------------------------2-13
Fixing/Pressure Belt Displacement Control -----------------------------------------2-14
Pressure Belt Pressurizing Control----------------------------------------------------2-18
Fixing Assembly life Detection----------------------------------------------------------2-20
Protective Function ------------------------------------------------------------------------2-22

Servicing ----------------------------------------------------------------------------2-23

Periodically Replaced Parts -------------------------------------------------------------2-23
Consumable Parts -------------------------------------------------------------------------2-23
Periodical Servicing List------------------------------------------------------------------2-23
When Replacing Parts--------------------------------------------------------------------2-23
Major Adjustments -------------------------------------------------------------------------2-25
Service Note --------------------------------------------------------------------------------2-25

Pickup / Feed System --------------------------------------------------------2-1

Overview ----------------------------------------------------------------------------- 2-1

Specications -------------------------------------------------------------------------------- 2-2
Parts conguration ------------------------------------------------------------------------- 2-3
Drive Conguration ------------------------------------------------------------------------- 2-6

Paper path ------------------------------------------------------------------------------------ 2-7
Interval speed -------------------------------------------------------------------------------- 2-8
Various types of control ------------------------------------------------------------------2-12

Deck/Cassette Pickup Unit -----------------------------------------------------2-13

Basic Movement ---------------------------------------------------------------------------2-13
Pickup Preceding Control (Left Deck, Cassette 3/4, Multi-drawer Paper Deck) ­2-14
Speed Variable Control (Right Deck, Paper Deck, POD Deck Lite) ----------2-14
Deck/Cassette detection -----------------------------------------------------------------2-15
Paper Size Detection ---------------------------------------------------------------------2-16
Paper Level Detection --------------------------------------------------------------------2-18
Paper Detection ----------------------------------------------------------------------------2-20
Lifter Control --------------------------------------------------------------------------------2-21
Pickup Retry Control ----------------------------------------------------------------------2-22

Multi-purpose Tray Pickup Unit ------------------------------------------------2-23

Basic Movement ---------------------------------------------------------------------------2-23
Paper Size Detection ---------------------------------------------------------------------2-23
Paper Detection ----------------------------------------------------------------------------2-24
Last Paper Detection ---------------------------------------------------------------------2-24

Registration Unit ------------------------------------------------------------------2-25

Registration Control -----------------------------------------------------------------------2-25
Registration Noise Reduction Control ------------------------------------------------2-25
Transparency detection ------------------------------------------------------------------2-26

Delivery Unit ------------------------------------------------------------------------2-27

Basic movement ---------------------------------------------------------------------------2-27
Delivery Speed Reduction Control ----------------------------------------------------2-28

Reverse Unit -----------------------------------------------------------------------2-29

Basic Movement ---------------------------------------------------------------------------2-29
Reverse Flapper Movement ------------------------------------------------------------2-31
Reverse Detachment Control -----------------------------------------------------------2-31

Duplex Unit -------------------------------------------------------------------------2-32

Basic Movement ---------------------------------------------------------------------------2-32
Duplex Flapper Movement --------------------------------------------------------------2-33
Duplex Reverse Control------------------------------------------------------------------2-34

Circulation quantity and limit ------------------------------------------------------------2-35

Jam Detection ---------------------------------------------------------------------2-39

Jam Code List ------------------------------------------------------------------------------2-39

Forced Paper Feed Control -------------------------------------------------------------2-41

Service Work -----------------------------------------------------------------------2-42

Measurement during Parts Replacement -------------------------------------------2-42
Periodic Service ----------------------------------------------------------------------------2-42

MEAP ----------------------------------------------------------------------------2-1

Changes ------------------------------------------------------------------------------ 2-1

Changes of Local UI / Remote UI Designs ------------------------------------------- 2-1
Integration of Remote UI and MEAP Portal ------------------------------------------ 2-2
Changes in Login application components ------------------------------------------- 2-2
Support of USB Devices ------------------------------------------------------------------ 2-2
Changing Default System Manager PIN ---------------------------------------------- 2-3

SVGA Support on Touch Panel (Local UI) -------------------------------------------- 2-3
Initial Display Languages of SMS ------------------------------------------------------ 2-3

Checking the Operating Environment ---------------------------------------- 2-4

SMS ------------------------------------------------------------------------------------------- 2-4
SSO-H Management----------------------------------------------------------------------- 2-5

Setting Up the Network ----------------------------------------------------------- 2-7
Login to SMS ------------------------------------------------------------------------ 2-8

Login by Password Authentication -----------------------------------------------------2-9
Login by RLS Authentication ------------------------------------------------------------2-10

Setting the method to login to SMS ------------------------------------------2-11

Setting for login by Password Authentication --------------------------------------- 2-11
Setting for login by RLS Authentication ----------------------------------------------2-12

Checking MEAP Application Management Page -------------------------2-13
Starting and Stopping a MEAP Application ---------------------------------2-14

MEAP Specications ------------------------------------------------------------2-15

What is MEAP Specications (MEAP Spec Version)? ---------------------------2-15

Checking the Platform Information -------------------------------------------2-15
MEAP Application System Information --------------------------------------2-17

Checking the System Information of a MEAP Application with SMS ---------2-17
Printing the System Information of a MEAP Application -------------------------2-17
Content of MEAP system information ------------------------------------------------2-18

Installing an Application ---------------------------------------------------------2-19

Resource -------------------------------------------------------------------------------------2-19
Procedure to install applications -------------------------------------------------------2-19

Adding a License File ------------------------------------------------------------2-21

Procedure adding a license le --------------------------------------------------------2-21

Disabling a License File --------------------------------------------------------2-23

Procedure disabling a license le (suspending a license) -----------------------2-23

Downloading / Removing an Invalidated License File -------------------2-24

Procedure downloading / removing an invalidated license le -----------------2-24

License for forwarding -----------------------------------------------------------2-26

Outline ----------------------------------------------------------------------------------------2-26
Procedure to create license for forwarding ------------------------------------------2-26

Reusable license ------------------------------------------------------------------2-26
Uninstalling an Application ------------------------------------------------------2-29

Procedure uninstalling an application ------------------------------------------------2-29

Login Service ----------------------------------------------------------------------2-30

Default Authentication overview--------------------------------------------------------2-30
SSO-H (Single Sign-On-H) overview -------------------------------------------------2-30

Authentication methods of SSO-H ----------------------------------------------------2-31
Access Mode in Sites ---------------------------------------------------------------------2-32

Environment conrmation ---------------------------------------------------------------2-34
Specication of SSO-H -------------------------------------------------------------------2-34

Changing Login Services -------------------------------------------------------2-35

Steps to Change Login Services ------------------------------------------------------2-35

Initializing the Password --------------------------------------------------------2-36

Procedure to initialize the SMS login password -----------------------------------2-36

Creating a Backup, Formatting the Hard Disk, Restoring with the
Backup data, Using the SST ---------------------------------------------------2-37

Outline ----------------------------------------------------------------------------------------2-37
Backup Items -------------------------------------------------------------------------------2-37
Requirements for Backup Using the SST -------------------------------------------2-37
Making a Backup and Formatting Hard Disk Drive with Service Support Tool --­2-37

Replacing the Hard Disk Drive ------------------------------------------------2-39

Outline ----------------------------------------------------------------------------------------2-39
HDD replacement procedure -----------------------------------------------------------2-39
Procedures to Restore Backup Data -------------------------------------------------2-39

MEAP Safe Mode (level 2) -----------------------------------------------------2-40

Starting in Safe Mode --------------------------------------------------------------------2-40
How to cancel MEAP SAFE mode ----------------------------------------------------2-42

Setting HTTP port for MEAP application (level 2) ------------------------2-42

Port setup procedure of HTTP Server ------------------------------------------------2-42
Port setup procedure of HTTPS Server ----------------------------------------------2-43

Using USB Devices --------------------------------------------------------------2-44

USB Driver ----------------------------------------------------------------------------------2-44
Initialization of MEAP driver priority registration -----------------------------------2-46
USB Device report print ------------------------------------------------------------------2-46

Reference material ---------------------------------------------------------------2-49

Glossary --------------------------------------------------------------------------------------2-49

Option for exclusive individual measure ------------------------------------2-51

Display Setting of Copy Icon (level2) -------------------------------------------------2-51
Error at starting up the MEAP application/Setting to hide JAM screen (level 2)
2-51
Setting of Screen Transition from MEAP Screen to the Standard Screen
(level2) ----------------------------------------------------------------------------------------2-52

Embedded RDS ---------------------------------------------------------------2-1

Product Overview ------------------------------------------------------------------ 2-1

Overview -------------------------------------------------------------------------------------- 2-1
Features and benets --------------------------------------------------------------------- 2-1
The following functions are added ----------------------------------------------------- 2-1

E-RDS Setup ------------------------------------------------------------------------ 2-2

Conrmation and preparation in advance --------------------------------------------2-2
Relevance to service mode -------------------------------------------------------------- 2-4

FAQ ------------------------------------------------------------------------------------ 2-8
Troubleshooting -------------------------------------------------------------------- 2-9
Error code and strings -----------------------------------------------------------2-12
Service cautions -------------------------------------------------------------------2-14

3 Periodic service

Periodical Service Operation Item ----------------------------------------3-2

4 Parts Replacement and Cleaning

List of Parts ---------------------------------------------------------------------4-2

List of External / Internal Cover ------------------------------------------------ 4-2
List of Main Unit -------------------------------------------------------------------- 4-4
Periodic Replacing Parts, Durable Parts, Cleaning Parts --------------4-12
List of Clutch / Solenoid ---------------------------------------------------------4-24
List of Motor ------------------------------------------------------------------------4-26

List of Fan ---------------------------------------------------------------------------4-35
List of Sensor ----------------------------------------------------------------------4-39
Lamp / Heater, others ------------------------------------------------------------4-47
List of Switch -----------------------------------------------------------------------4-51
List of PCB --------------------------------------------------------------------------4-54
Connector List ---------------------------------------------------------------------4-65

Main Controller --------------------------------------------------------------4-92

Removing the HDD ---------------------------------------------------------------4-92
Removing the Main Controller PCB 1 ---------------------------------------4-94
Removing the Main Controller PCB 2 ---------------------------------------4-97
Opening the Controller Box ----------------------------------------------------4-99

Laser Exposure System ------------------------------------------------- 4-101

Cleaning the Dust-proof Glass ----------------------------------------------4-101

Removing the Laser Scanner Unit ------------------------------------------ 4-104
When replacing the Laser Scanner Unit ----------------------------------4-121

Image Formation System ----------------------------------------------- 4-122

Removing the Developing Assembly (Y) / (M) / (C) and the Drum Unit (Y)
/ (M) / (C) --------------------------------------------------------------------------4-122
Cleaning the Toner Catch Sheet (Y) / (M) / (C) --------------------------4-130
When Replacing the Drum Unit (Y) / (M) / (C) --------------------------- 4-131
Removing the Developing Assembly (Bk) --------------------------------4-132
When Replacing the Developing Assembly ------------------------------ 4-139
Cleaning the Toner Blocking Plastic Film in the Developing Assembly --­4-140
Removing the Primary Charging Assembly ------------------------------4-141
When replacing the Primary Charging Assembly ----------------------- 4-143
Removing the Grid Plate ------------------------------------------------------ 4-146
When replacing the Grid Plate ----------------------------------------------- 4-147
Removing the Grid Cleaning Pad ------------------------------------------- 4-148
Removing the Primary Charging Wire Cleaning Pad Holder --------4-150
Removing the Primary Charging Wire Cleaning Pad Slider----------4-151
Replacing the Primary Charging Wire -------------------------------------4-152
Cleaning the Primary Charging Assembly -------------------------------- 4-155
When Replacing the Primary Charging Wire ----------------------------4-156
Replacing the Primary Charging Wire Unit ------------------------------- 4-157
When Replacing the Primary Charging Wire Unit ----------------------4-159

Removing the Pre-Transfer Charging Assembly ------------------------ 4-160
When replacing the Pre-Primary Transfer Charging Assembly -----4-161
Removing the Pre-Transfer Charging Wire Cleaning Pad Holder and the
Pre-Transfer Charging Wire Cleaning Pad Slider ----------------------4-162
Replacing the Pre-Transfer Charging Wire ------------------------------- 4-164
Cleaning the Pre-transfer Charging Assembly --------------------------4-166
When Replacing the Pre-Primary Transfer Charging Wire ----------- 4-167
Caution When Handling Photosensitive Drum Unit --------------------4-168
Removing the Drum Unit (Bk) -----------------------------------------------4-169
Removing the Drum Cleaning Unit -----------------------------------------4-173
Removing the Drum Cleaning Blade (Bk), Edge Seals (front) / (rear) ----­4-174
Removing the Drum (Bk) ------------------------------------------------------ 4-175
Cleaning the Toner Catch Tray (Bk) ----------------------------------------4-177
Measures in the Drum (Bk) replacement ---------------------------------4-178
Removing the Drum Cleaning Scoop-up Sheet ------------------------- 4-179
Removing Edge Scraper 1 (Bk) and Edge Scraper 2 (Bk) -----------4-181
Removing the Drum Fur Brush ---------------------------------------------- 4-182
Adjustment When Installing/Removing the ITB Unit -------------------4-185
Removing the ITB Unit --------------------------------------------------------4-186
Removing the ITB Cleaning Blade -----------------------------------------4-191
Checking When Replacing the ITB Cleaning Blade--------------------4-192
Removing the ITB Cleaning Unit -------------------------------------------- 4-193
Removing the ITB --------------------------------------------------------------- 4-194
Cleaning in the ITB replacement -------------------------------------------- 4-200
When Replacing the ITB ------------------------------------------------------4-202
Removing the Primary Transfer Roller ------------------------------------4-203
When Replacing the Primary Transfer Roller ---------------------------- 4-206
Removing the Secondary Transfer Inner Roller -------------------------4-207
Removing the ITB Internal Scraper Holder ------------------------------- 4-210
Cleaning the ITB Inner Scraper --------------------------------------------- 4-211
Removing the Drum Heater Unit -------------------------------------------- 4-212
Removing the ITB Motor ------------------------------------------------------4-213
Removing the Patch Sensor Unit -------------------------------------------4-214
When Replacing the Patch Sensor Unit ----------------------------------- 4-216
Cleaning the Patch Sensor Unit --------------------------------------------- 4-217

Removing the Secondary Transfer Outer Unit---------------------------4-218
Removing the Secondary Transfer Static Eliminator-------------------4-220
Removing the Secondary Transfer Outer Roller ------------------------ 4-221
Cleaning the Secondary Transfer Static Eliminator Unit -------------- 4-224
Cleaning the Secondary Transfer Outer Unit ---------------------------- 4-225
Removing the Drum Thermopile --------------------------------------------4-226
Removing the Potential Control PCB Unit (including the Potential
Sensor and the Potential Control PCB) -----------------------------------4-230
Measures in the replacement of the Electric Potential Sensor and the
Potential Control PCB ---------------------------------------------------------4-232
Removing the Drum Thermistor --------------------------------------------- 4-237
Removing the Developing Assembly Inner Temperature Detection PCB ­4-238
Removing the Waste Toner Container -------------------------------------4-239
When Replacing the Waste Toner Container ----------------------------4-240
Manually Removing the Toner Container ---------------------------------4-241
Removing the Hopper Tray (Bk) --------------------------------------------4-245
Removing the Hopper Tray (Y) / (M) / (C) --------------------------------4-249
Removing the Drum Drive Unit (Bk) ---------------------------------------- 4-251
Removing the Drum Drive Unit (Y) / (M) / (C) ---------------------------4-256
Removing the Hopper Unit (Bk) --------------------------------------------- 4-261
Removing the Developing Drive Unit (Bk) -------------------------------- 4-267
Removing the Developing Drive Unit (Y / M / C) ------------------------ 4-269
Removing the Hopper Unit (Y / M / C) ------------------------------------- 4-271

Removing the Waste Toner Pipe (Waste Toner 1 Feed Unit, Waste

Toner 2 Feed Unit) -------------------------------------------------------------- 4-274

Fixing System -------------------------------------------------------------- 4-285

Removing the Fixing Belt Unit -----------------------------------------------4-285
Cleaning and lubrication in the Fixing Belt Unit replacement -------- 4-292
Removing the Pressure Belt Unit -------------------------------------------4-293
Cleaning and lubrication in the Pressure Belt Unit replacement ---- 4-302
Removing the Pressure Heater ---------------------------------------------4-304
Removing the Pressure Thermistor 1 -------------------------------------- 4-306
Removing the Pressure Thermistor 2 -------------------------------------- 4-307
Removing the Pressure Main Thermistor --------------------------------- 4-309

Removing the Pressure Thermo Switch (Removing the Pressure Stay

Unit) -------------------------------------------------------------------------------- 4-311
Removing the Fixing Motor --------------------------------------------------- 4-316
Removing the Fixing Pressure Release Motor -------------------------- 4-317
Removing the Fixing Unit -----------------------------------------------------4-319

Pickup/Feed System ----------------------------------------------------- 4-320

Removing the Multi-purpose Tray Feed Roller -------------------------- 4-320
Removing the Multi-purpose Tray Separation Roller ------------------4-321
Removing the Right Deck ----------------------------------------------------- 4-322
Removing the Right Deck Pickup / Delivery / Separation Roller ---- 4-323

Removing the Left Deck ------------------------------------------------------- 4-324
Removing the Left Deck Pickup / Feed / Separation Roller ---------- 4-325

Removing the Cassette 3 ----------------------------------------------------- 4-326
Removing the Cassette 3 Pickup / Feed / Separation Roller -------- 4-327
Removing the Cassette 4 ----------------------------------------------------- 4-328
Removing the Cassette 4 Pickup / Feed / Separation Roller -------- 4-329
Removing the Multi-purpose Pickup Unit ---------------------------------4-330
Removing the Vertical Path Unit --------------------------------------------4-331

Removing Cassette 3, Cassette 4 and Right Deck Pickup Unit ---- 4-332
Removing the Left Deck Pickup Unit --------------------------------------- 4-333

Removing the Cassette Heater Unit ---------------------------------------4-334
Removing the Delivery Unit --------------------------------------------------4-336
Removing the Reverse Unit -------------------------------------------------- 4-342

Removing the Pre-xing Feed Belt Unit ----------------------------------- 4-348
Cleaning the Post-secondary Transfer Sensor and the Pre-xing Feed

Belt --------------------------------------------------------------------------------- 4-350
Removing the Registration Unit ---------------------------------------------4-351
Cleaning the Transparency Sensor ----------------------------------------4-352
Removing the Cassette Size Detection Unit ----------------------------- 4-353

Removing the Cassette 3 and 4 Paper Level Detection Units ------ 4-354
Removing the Right Deck Paper Level Detection Unit ---------------- 4-355
Removing the Left Deck Paper Level Detection Unit ------------------ 4-356

External and Controls ---------------------------------------------------- 4-357

Removing of the Fixing Dustproof Filter and the Ozone Filter ------ 4-357
Removing the Primary Charging Dustproof Filter-----------------------4-359
Removing the Flat Control Panel Unit -------------------------------------4-360
Removing the Upright Control Panel Unit --------------------------------4-365

Removing the DC Controller PCB ------------------------------------------4-367

Removing the Laser Interface PCB ----------------------------------------4-371
Removing the Main Power Supply Box -----------------------------------4-373

Removing the AC Driver Box ------------------------------------------------4-375
Removing the IH Power Supply PCB Box -------------------------------- 4-378
Removing the Primary Charging High Voltage PCB Box ------------- 4-379
Removing the Pre-primary Transfer Charging High Voltage PCB Unit ---­4-381
Removing the Pickup Feed Driver PCB Unit ----------------------------- 4-382
Removing the Environment Sensor ----------------------------------------4-383

Option ------------------------------------------------------------------------ 4-384

Removing the Reader Unit (including the DADF)-----------------------4-384
Removing the Buffer Pass Unit ---------------------------------------------- 4-398
Removing the DADF -----------------------------------------------------------4-402

5 Adjustment

Overview ------------------------------------------------------------------------5-2

When replacing parts --------------------------------------------------------5-2

Controller System ------------------------------------------------------------------ 5-2

Main Controller PCB 1--------------------------------------------------------------------- 5-2
Main Controller PCB 2--------------------------------------------------------------------- 5-3
DC Controller PCB ------------------------------------------------------------------------- 5-4
HDD -------------------------------------------------------------------------------------------- 5-5
TPM PCB ------------------------------------------------------------------------------------- 5-6
Flash PCB ------------------------------------------------------------------------------------ 5-6
Riser PCB ------------------------------------------------------------------------------------ 5-6

Laser Exposure System ---------------------------------------------------------- 5-7

Laser Scanner Unit ------------------------------------------------------------------------- 5-7

Image Formation System -------------------------------------------------------- 5-7

Primary Charging Wire -------------------------------------------------------------------- 5-7
Grid Plate ------------------------------------------------------------------------------------- 5-7
Primary Charging Assembly ------------------------------------------------------------- 5-7
Pre-Primary Transfer Charging Wire--------------------------------------------------- 5-8
Pre-Primary Transfer Charging Assembly -------------------------------------------- 5-8
Drum Unit ------------------------------------------------------------------------------------- 5-8
Developing Assembly ---------------------------------------------------------------------- 5-8
Potential Sensor ---------------------------------------------------------------------------- 5-9

ITB ---------------------------------------------------------------------------------------------5-12
Primary Transfer Roller-------------------------------------------------------------------5-12
Patch Sensor Unit -------------------------------------------------------------------------5-12
Waste Toner Container -------------------------------------------------------------------5-12
Waste Toner Full Sensor -----------------------------------------------------------------5-12
Fixing belt Unit ------------------------------------------------------------------------------5-12
Pressure belt Unit --------------------------------------------------------------------------5-13
Fixing assembly ----------------------------------------------------------------------------5-14

6 Troubleshooting

Making Initial Checks --------------------------------------------------------6-2

List of Initial Check Items -------------------------------------------------------- 6-2

Test Print ------------------------------------------------------------------------6-3

Overview ----------------------------------------------------------------------------- 6-3
Selecting Test Print TYPE ------------------------------------------------------- 6-3
How to check test print ----------------------------------------------------------- 6-4

16-Gradation (TYPE=4) ------------------------------------------------------------------- 6-4
Full Area Half Tone (TYPE=5) -----------------------------------------------------------6-4
Grid (TYPE=6) ------------------------------------------------------------------------------- 6-5
MCYBk Horizontal Line (TYPE=10) ---------------------------------------------------- 6-5
64-Gradation (TYPE=12) -----------------------------------------------------------------6-6
Full Color 16-gradation (TYPE=14) ----------------------------------------------------6-6

Image Faults -------------------------------------------------------------------6-7

Developing Sleeve Ghost ------------------------------------------------------- 6-7
Uneven vertical lines on a halftone image due to the soiled Charging
Roller ---------------------------------------------------------------------------------- 6-8
Toner Drops in the Developing Assembly ------------------------------------ 6-9
Transfer failure on the trailing edge of the 2nd side of coated paper 6-10
Calibration for color difference on front and back sides ----------------- 6-11
Vertical Lines -----------------------------------------------------------------------6-13

Alarm Code -------------------------------------------------------------------6-14

How to clear 04-3042, 04-3142 and 04-3242: -----------------------------6-14
How to clear 04-3043, 04-3143 and 04-3243: -----------------------------6-14

Upgrading procedure -------------------------------------------------------6-15

Outline -------------------------------------------------------------------------------6-15
Service Support Tool (SST) ----------------------------------------------------6-17

Supported Version ------------------------------------------------------------------------6-17