Image Adjustment Basic Procedure 2 - Canon CLC5100 Series Manual

Contents
2.1 Image Adjustment Basic Procedure ................................................................................................................... 2 1
2.1.1 Image Adjustment Basic Procedure ............................................................................................................ 2 1
2.1.2 Checking the Transfer System .................................................................................................................... 2 5
2.1.3 Checking the Latent Static Image Formation System ................................................................................. 2 6
2.1.4 Checking the Developing System ............................................................................................................... 2 7
2.2 Image Adjustments............................................................................................................................................. 2 8
2.2.1 Non Image Width........................................................................................................................................ 2 8
2.2.2 Image Margin .............................................................................................................................................. 2 8
2.2.3 Checking and Adjusting the Non Image Width and Margin ...................................................................... 2 9
2.2.4 Adjusting the Image Reading Start Position (ADJ XY) ........................................................................... 2 10
2.2.5 Adjusting the Pick Up Timing (paper deck) ............................................................................................. 2 11
2.2.6 Image Positioning Correction.................................................................................................................... 2 11
2.3 Scanning System .............................................................................................................................................. 2 12
2.3.1 When Replacing the Scanning Lamp, Standard White Plate, Lamp Regulator,
Reflecting Lamp Cover, Reader Controller PCB, Flash memory on Reader controller PCB,
or Analog Processor PCB CCD Unit.............................................................................................................. 2 12
2.3.2 Routing the Scanner Cable ........................................................................................................................ 2 12
2.4 Laser Exposure System .................................................................................................................................... 2 15
2.4.1 When Replacing the Laser Unit ................................................................................................................ 2 15
2.4.2 When Replacing the Video Controller PCB.............................................................................................. 2 15
2.4.3 When Replacing the BD Unit.................................................................................................................... 2 15
2.4.4 Adjusting the Laser Power ........................................................................................................................ 2 15
2.4.5 Adjusting the Laser Intensity .................................................................................................................... 2 17
2.4.6 Laser Focus Adjustment ............................................................................................................................ 2 18
2.5 Image Formation System.................................................................................................................................. 2 20
2.5.1 Adjusting the Tension on the Drive Belt of the Transfer Belt Motor ....................................................... 2 20
2.5.2 Adjusting the Position of the Transfer Belt Related Solenoid .................................................................. 2 20
2.5.3 Adjusting the Height of the Charging Wire .............................................................................................. 2 20
2.5.4 Replacing the Developer ........................................................................................................................... 2 21
2.6 Fixing System................................................................................................................................................... 2 24
2.6.1 Adjusting the Nip (fixing pressure adjusting nut) ..................................................................................... 2 24
2.6.2 Adjusting the Mounting Position of the External Paper Delivery Unit Guide Plate................................. 2 24
2.7 Electrical Components ..................................................................................................................................... 2 26
2.7.1 When Replacing the ROM on the DC Controller PCB or the Reader Controller PCB ............................ 2 26
2.7.2 When Replacing the Reader Controller PCB ............................................................................................ 2 26
2.7.3 When Replacing the DC Controller PCB.................................................................................................. 2 26
2.7.4 Initializing the RAM on the DC controller PCB ....................................................................................... 2 27
2.7.5 Initializing the RAM on the Reader Controller PCB ................................................................................ 2 28
2.7.6 When Replacing the Image Position Correction CCD Unit...................................................................... 2 28
2.7.7 When Replacing the Paper Thickness Sensor ........................................................................................... 2 28
2.7.8 After Replacing the Pick Up Motor/Pick Up Unit.................................................................................... 2 29
2.7.9 Checking the Environment Measurement PCB......................................................................................... 2 29
2.7.10 Checking the High Voltage Control System ........................................................................................... 2 30
2.7.11 Checking the Photointerrupters ............................................................................................................... 2 31
Contents