Others - Canon imageRUNNER 7105 Service Manual

Contents
14.6.1 Adjusting the Lower Roller Pressure (nip) ..................................................................................... 14- 17
14.6.2 Points to Note When Mounting the Fixing Heater.........................................................................14- 17
14.7 Electrical Components ............................................................................................................................. 14- 18
14.7.1 After Replacing the Hard Disk..........................................................................................................14- 18
14.7.2 After Replacing the Main Controller ................................................................................................ 14- 18
14.7.3 After Replacing the DC Controller PCB..........................................................................................14- 20
14.7.4 After Replacing the Reader Controller PCB .................................................................................. 14- 20
14.7.5 After Replacing the Reader Controller PCB .................................................................................. 14- 20
14.7.6 After Replacing the HV-DC PCB .....................................................................................................14- 21
14.7.7 When Replacing the Potential Sensor/Potential Control PCB.................................................... 14- 21
14.7.8 Checking the Surface Potential Control System ...........................................................................14- 22
14.7.9 Checking the Environment Sensor..................................................................................................14- 24
14.8 Pickup/Feeding System ...........................................................................................................................14- 25
14.8.1 Orientation of the Deck/Cassette Pickup Roller ............................................................................14- 25
14.8.2 Orientation of the Deck/Cassette Separation Roller..................................................................... 14- 25
14.8.3 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly............................... 14- 25
14.8.4 Orientation of the Pickup Roller of the Manual Feed Tray/Side Paper ..................................... 14- 25
14.8.5 Orientation of the Feeding Roller of the Manual Feed Tray........................................................14- 26
14.8.6 Orientation of the Feeding Roller of the Side Paper Deck ..........................................................14- 26
14.8.7 Adjusting the Pressure of the Deck/Cassette Separation Roller................................................ 14- 26
14.8.8 Adjusting the Pressure of the Pickup/Feeding Roller of the Manual .........................................14- 26
14.8.9 Location of the solenoids .................................................................................................................. 14- 27
14.8.10 Position of the Fixing Web Solenoid (SL2) .................................................................................. 14- 27
14.8.11 Position of the Delivery Flapper Solenoid (SL3) .........................................................................14- 27
14.8.12 Position the Fixing/Feeder Unit Locking Solenoid (SL4) ...........................................................14- 27
14.8.13 Position of the Multifeeder Latch Solenoid (SL6)........................................................................ 14- 28
14.8.14 Position of the Deck (right) Pickup Solenoid (SL7)..................................................................... 14- 28
14.8.15 Position of the Deck (Left) Pickup Solenoid (SL8)......................................................................14- 28
14.8.16 Position of the Cassette 3/4 Pickup Solenoid (SL9/10) .............................................................14- 28
14.8.17 Position of the Side Paper Deck Pickup Roller Releasing Solenoid........................................ 14- 29
14.8.18 Fitting the Side Guide Timing Belt of the Manual Feed Tray Assembly.................................. 14- 29
14.8.19 Fitting the Drive Belt ........................................................................................................................14- 29
Chapter 15 Correcting Faulty Images
15.1 Making lnitial Checks.................................................................................................................................. 15- 1
15.1.1 Checking the Side of Installation .......................................................................................................15- 1
15.1.2 Checking the Originals ........................................................................................................................15- 1
15.1.3 Checking the Copyboard Cover, Copyboard Glass, and Standard White Plate........................15- 1
15.1.4 Checking the Charging Assemblies .................................................................................................. 15- 1
15.1.5 Cheiking the Develop Unit ..................................................................................................................15- 1
15.1.6 Checking the Paper .............................................................................................................................15- 1
15.1.7 Checking the Periodically Replaced Parts ....................................................................................... 15- 1

15.1.8 Others .................................................................................................................................................... 15- 2

15.2 Outline of Electrical Components .............................................................................................................15- 3
15.2.1 Clutch/Solenoid ..................................................................................................................................... 15- 3
15.2.1.1 Clutches..........................................................................................................................................15- 3
15.2.1.2 Solenoids........................................................................................................................................ 15- 4
15.2.2 Motor....................................................................................................................................................... 15- 5