Canon imageCLASS LBP325dn

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5. Remove the Harness Guide.

6. Remove the Main Controller PCB.

NOTE:

The completed assembly of the Main Controller PCB is shown below.

CAUTION:

“After Replacing the Main Controller PCB” on page 178

5. Parts Replacement and Cleaning

143

Main Page

Table of Contents5
Safety Precautions11
Laser12
Laser Safety12
How to Handle the Laser Scanner Unit12
Power Supply / Lithium Battery13
Power Supply13
Notes When Handling a Lithium Battery13
Toner Safety13
About Toner13
Handling Adhered Toner13
Notes on Works14
Points to Note before Servicing14
Points to Note at Cleaning14
Notes on Assembly/Disassembly14
Product Overview15
Product Lineup16
Host Machine16
Options16
Features17
Specifications18
Product Specifications18
Paper Type19
Paper Size19
Parts Name21
Front Side of the Machine21
Rear Side of the Host Machine22
Inside of the Host Machine23
Cross Section View23
Control Panel24
Technical Explanation (Device)25
Basic Configuration26
Functional Configuration26
Controller System27
Configuration/Function27
Main Controller PCB28
DC Controller PCB29
Motor Control29
Fan Control30
Door Open Detection31
Power Supply31
Protection Function32
Quick Startup33
Energy Saving Function34
Laser Exposure System35
Overview35
Failure Detection35
Image Formation System37
Image Formation Process37
Cartridge40
Fixing System43
Overview/Configuration43
Fixing Temperature Control43
Protective Functions44
Pickup Feed System46
Overview46
Parts Configuration47
Drive Configuration48
Layout of Sensors49
Lifter Control49
Cassette Detection50
Cassette Pickup Control51
Cassette Double Feed Prevention Mechanism51
Paper Detection51
Multi-Purpose Tray Pickup Control51
Skew Correction52
Paper Width Detection53
Paper Length Detection54
Feed Speed Control54
Delivery Tray Full Detection55
Jam Detection55
Technical Explanation (System)58
Version Upgrade59
Overview59
Version Upgrade Using UST60
Update Using Updater60
Version Upgrade Using a USB Flash Drive88
Backup/Restoration89
Backup/Restoration Using the DCM Function89
Backup/Restoration Using a Function Other than the DCM Function98
Monitoring Function (E-Maintenance/Imageware Remote)105
Monitoring Function (E-Maintenance/ Imageware Remote)105
Overview of System105
Cautions When Using E-RDS106
Setting Procedure106
Maintenance108
Error Message List109
MEAP Application Management111
About MEAP111
About SMS111
Setting Procedure116
Maintenance124
Periodical Service127
Periodically Replaced Parts128
Consumable Parts129
Periodical Service130
Parts Replacement and Cleaning131
Parts List132
Major Units132
Electrical Components List132
Removing from the Connection Equipment135
Disengaging the Paper Feeder135
External Cover System137
Removing the Rear Cover Unit137
Removing the Cartridge137
Removing the Right Cover Unit139
Removing the Left Cover143
Removing the Upper Cover Unit146
Removing the Cartridge Cover147
Controller System150
Removing the Controller Cover150
Removing the Main Controller PCB150
Removing the Controller Box154
Removing the DC Controller PCB156
Removing the Fixing Power Supply PCB156
Removing the Low Voltage Power Supply Unit159
Removing the High Voltage Power Supply PCB159
Removing the Control Panel Unit160
Removing the Control Panel Unit Key PCB161
Removing the Main Fan162
Removing the Sub Fan163
Laser Exposure System165
Removing the Laser Scanner Unit165
Image Formation System167
Removing the Transfer Roller Unit167
Pickup Feed Delivery System169
Removing the Registration Unit169
Removing the Main Drive Unit172
Removing the Cassette Pickup Unit175
Removing the Cassette Separation Roller Unit177
Removing the Multi-Purpose Tray Pickup Roller178
Removing the Multi-Purpose Tray Separation Pad179
Fixing System182
Removing the Fixing Assembly182
Removing the Main Motor183
Adjustment187
Actions at Parts Replacement188
Before Replacing the Main Controller PCB188
After Replacing the Main Controller PCB188
Troubleshooting189
Test Print190
Overview190
How to View the Test Print D1194
Device Log List195
Cartridge Log Print196
Troubleshooting198
Remedy for Image Failure198
Image Failures Occur at Regular Intervals198
Checking the Amount of Fixing Nip198
Obtaining Debug Log200
Function Overview200
Debug Log200
Conditions for Collecting Logs200
Debug Log Collection Procedure201
Error/Jam/Alarm204
Overview205
Error Code207
E000-0000-- Fixing Temperature Rising Error207
E001-0000--: Abnormally High Fixing Temperature 1207
E004-0000-- Fixing Drive Assembly Circuit Error207
E004-0005-- Fixing Area Error207
E014-0000-- Main Motor Error207
E014-0001-- Main Motor Error207
E015-0001-- Cassette 1 Lift-Up Error207
E015-0002-- Cassette 2 (Option Cassette 1) Lift-Up Error207
E015-0003-- Cassette 3 (Option Cassette 2) Lift-Up Error208
E015-0004-- Cassette 4 (Option Cassette 3) Lift-Up Error208
E066-0000-- Environment Sensor Error208
E06F-0068-- EEPROM Access Error208
E100-0000-- Laser Scanner Error208
E110-0000-- Scanner Motor Error208
E110-0001-- Scanner Motor Error208
E196-0000-- Firmware Error (the Host Machine or the Option Cassette)208
E196-0002-- DC Controller Internal Error208
E245-1011-- Host Machine FRAM Write Error208
E245-1012-- Host Machine FRAM Write Error209
E245-1013-- Host Machine FRAM Write Error209
E245-1021-- Host Machine FRAM Write Error209
E245-1022-- Host Machine FRAM Write Error209
E245-1023-- Host Machine FRAM Write Error209
E245-2012-- FLASH Write Error209
E245-2022-- FLASH Write Error209
E246-0001-- System Error209
E246-0002-- System Error209
E246-0003-- System Error209
E247-0003-- System Error210
E247-0004-- System Error210
E350-1001-- System Error210
E350-1002-- System Error210
E350-1003-- System Error210
E350-3000-- System Error210
E354-0001-- System Error210
E354-0002-- System Error210
E355-0001-- System Error210
E355-0003-- System Error210
E602-0006-- Firmware Error211
E602-0007-- Firmware Error211
E602-0008-- the Memory Area in the Main Controller Is Depleted211
E602-0009-- MEAP Cannot be Started211
E602-1102-- File System Could Not be Initialized Normally. (MEAP-Related)211
E602-1112-- Device Access Error (MEAP-Related)211
E602-1113-- Device Access Error (MEAP-Related)211
E602-1302-- File System Could Not be Initialized Normally211
E602-1312-- Device Access Error211
E602-1313-- Device Access Error211
E602-1602-- File System Could Not be Initialized Normally. (CDS-Related)212
E602-1612-- Device Access Error (CDS-Related)212
E602-1613-- Device Access Error (CDS-Related)212
E604-0000-- Insufficient Memory Capacity212
E604-0001-- Memory Error212
E616-0001-- MEAP Application Is Lost212
E616-0002-- System Error212
E730-100A-- System Error212
E730-C000-- an Error, such as Failure in Memory Retrieval at Initialization, Occurred212
E730-C001-- an Error Occurred When Accessing the Controller212
E733-0001-- Printer Communication Error213
E733-0004-- Printer Communication Error213
E733-0006-- Printer Communication Error213
E740-0002-- an Invalid MAC Address Has Been Detected213
E740-0004-- Network Chip Error Detection213
E744-0800-- Model Code Mismatch213
E744-0900-- Detection of Invalid Bootable213
E744-1000-- Firmware Error213
E744-1100-- System Error213
E748-2012-- FLASH Rewrite Error213
E760-0000-- Firmware Error214
E805-0001-- Main Fan Failure214
E805-0002-- Sub Fan Failure214
E808-0001-- Low-Voltage Power Supply Failure214
E840-0000-- Fixing Disengagement Error214
Jam Code215
Jam Occurring Area and Detection Sensor for Jam Message on the Control Panel When Jam Code Cannot be Confirmed217
Alarm Code218
10-0100: Cartridge Replacement Completion Alarm218
10-0404: Cartridge Empty Alarm218
Alarm Codes Generated by UGW218
Service Mode219
Overview220
Entering Service Mode220
Remote UI Service Mode220
Service Report221
Service Mode224
Adjust Gr224
Option Gr225
Crgmng Gr227
Function Gr229
Log Gr234
Panel Lock Gr235
F/W Update Gr235
Network Gr236
Sp.admin.mode242
Installation243
Installation of the Host Machine244
Operation When Using Uniflow Online244
Appendices245
Service Tools246
Special Tools246
Solvents and Oil List246
General Circuit Diagram247
General Circuit Diagram (1/2)247
General Circuit Diagram (2/2)248
List of Items Which Can be Imported249
Service Mode Items Which Can be Imported249
Backup Data List251
Backup Data251
Soft Counter Specifications252

Canon imageCLASS LBP325dn - Page 153

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