Canon MF735C Series Service Manual page 7

Removing the Color Displacement Density Sensor Unit....................................................................... 146
Removing the Developing Motor.........................................................................................................147
Removing the Drum Motor................................................................................................................. 149
Fixing System..................................................................................................................................151
Removing the Fixing Assembly.......................................................................................................... 151
Removing the Fixing Power Supply Unit............................................................................................. 153
Removing the Fixing Motor................................................................................................................ 154
Pickup Feed Delivery System......................................................................................................... 155
Removing the Cassette Pickup Roller/Feed Roller Unit ....................................................................... 155
Removing the Cassette Separation Roller Unit ................................................................................... 156
Removing the Duplex Reverse Drive Unit........................................................................................... 158
Removing the Pickup Motor............................................................................................................... 159
Removing the Re-Pickup Unit............................................................................................................ 160
Removing the Lifter Drive Unit............................................................................................................162
Removing the Cassette Pickup Unit....................................................................................................164
Removing the Multi-purpose Tray Pickup Roller.................................................................................. 166
Removing the Multi-purpose Tray Separation Pad............................................................................... 167
Removing the Registration Unit.......................................................................................................... 168
6. Adjustment................................................................................................... 172
Adjustment at Parts Replacement...................................................................................................173
After Replacing the Control Panel.......................................................................................................173
After Replacing the ITB Unit...............................................................................................................173
After Replacing the Color Displacement Density Sensor Unit............................................................... 173
Engine Controller PCB.......................................................................................................................173
Main Controller PCB..........................................................................................................................173
After Replacing the ADF Unit............................................................................................................. 179
After Replacing the Reader CIS Unit...................................................................................................182
After Replacing the Reader Upper Cover Unit..................................................................................... 186
After Replacing the Reader Unit......................................................................................................... 191
After Replacing the ADF CIS Unit....................................................................................................... 198
7. Troubleshooting...........................................................................................202
Test Print......................................................................................................................................... 203
Engine Test Print...............................................................................................................................203
Controller test print............................................................................................................................ 204
Cartridge Log Report......................................................................................................................... 214
Troubleshooting Items.....................................................................................................................216
Recurring faulty image.......................................................................................................................216
Confirming nip width.......................................................................................................................... 216
Action When Hue Differs between the Front and Back Sides of the Output Image at Duplex Copy
(For the duplex scanning ADF model)............................................................................................. 217
Debug Log.......................................................................................................................................219
Function Overview.............................................................................................................................219
Conditions for collecting logs..............................................................................................................219
Collection procedure..........................................................................................................................219
8. Error/Jam/Alarm........................................................................................... 221
Overview......................................................................................................................................... 222
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