Canon ImageRunner iR8500 Series Service Manual page 652

Contents
14.6.1 Adjusting the Lower Roller Pressure (nip) ............................................................................................................................ 14-32
14.6.2 Adjusting the Lower Roller Pressure (nip) ............................................................................................................................ 14-32
14.7 Electrical Components ............................................................................................................................................ 14-33
14.7.1 Electrical Parts Requiring Work After Replacement............................................................................................................. 14-33
14.7.2 Electrical Components Requiring Work After Replacement................................................................................................. 14-33
14.7.3 Electrical Parts Requiring Work After Replacement............................................................................................................. 14-33
14.7.4 When Replacing the HDD ..................................................................................................................................................... 14-33
14.7.5 When Replacing the Main Controller PCB ........................................................................................................................... 14-33
14.7.6 Replacing the Main Controller PCB ...................................................................................................................................... 14-34
14.7.7 When Replacing the Main Controller PCB ........................................................................................................................... 14-34
14.7.8 When Replacing the HV-DC PCB......................................................................................................................................... 14-34
14.7.9 When Replacing the DC Controller PCB .............................................................................................................................. 14-35
14.7.10 When Replacing the DC Controller PCB ............................................................................................................................ 14-35
14.7.11 Replacing the Potential Sensor/Potential Control PCB ....................................................................................................... 14-35
14.7.12 When Replacing the HV-DC PCB....................................................................................................................................... 14-36
14.7.13 Checking the Surface Potential Control System.................................................................................................................. 14-37
14.7.14 When Replacing the Potential Sensor/Potential Control PCB............................................................................................. 14-38
14.7.15 Replacing the Potential Sensor/Potential Control PCB ....................................................................................................... 14-39
14.7.16 Checking the Surface Potential Control System.................................................................................................................. 14-40
14.7.17 Checking the Surface Potential Control System.................................................................................................................. 14-42
14.7.18 Checking the Environment Sensor....................................................................................................................................... 14-43
14.7.19 Checking the Environment Sensor....................................................................................................................................... 14-43
14.7.20 Checking the Photointerrupters............................................................................................................................................ 14-43
14.7.21 Checking the Photointerrupters............................................................................................................................................ 14-46
14.7.22 Checking the Photointerrupters............................................................................................................................................ 14-50
14.7.23 Checking the Optical Sensors .............................................................................................................................................. 14-53
14.7.24 Checking the Photointerrupters............................................................................................................................................ 14-54
14.8 Pickup/Feeding System ........................................................................................................................................... 14-58
14.8.1 Orientation of the Deck/Cassette Pickup Roller .................................................................................................................... 14-58
14.8.2 Orientation of the Deck/Cassette Pickup Roller .................................................................................................................... 14-58
14.8.3 Orientation of the Deck/Cassette Separation Roller .............................................................................................................. 14-58
14.8.4 Orientation of the Deck/Cassette Separation Roller .............................................................................................................. 14-58
14.8.5 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly ........................................................................... 14-58
14.8.6 Orientation of the Feeding Roller of the Deck/Cassette Pickup Assembly ........................................................................... 14-59
14.8.7 Orientation of the Pickup Roller of the Manual Feed Tray/Side Paper................................................................................. 14-59
14.8.8 Orientation of the Pickup Roller of the Manual Feed Tray/Side Paper Deck ....................................................................... 14-59
14.8.9 Orientation of the Feeding Roller of the Manual Feed Tray ................................................................................................. 14-59
14.8.10 Orientation for the Feeding Roller of the Manual Feed Tray .............................................................................................. 14-60
14.8.11 Orientation of the Feeding Roller of the Side Paper Deck .................................................................................................. 14-60
14.8.12 Orientation of the Feeding Roller of the Side Paper Deck .................................................................................................. 14-60
14.8.13 Adjusting the Pressure of the Deck/Cassette Separation Roller .......................................................................................... 14-60
14.8.14 Adjusting the Pressure of the Separation Roller of the Deck/Cassette................................................................................ 14-61
14.8.15 Adjusting the Pressure of the Pickup/Feeding Roller of the Manual................................................................................... 14-61
14.8.16 Adjusting the Pressure of the Pickup/Feeding Roller of the Manual Feed Tray ................................................................. 14-61
14.8.17 Locations of the Solenoid .................................................................................................................................................... 14-61
14.8.18 Position of the Solenoids ..................................................................................................................................................... 14-62
14.8.19 Location of the Fixing Web Solenoid (SL2)........................................................................................................................ 14-64
14.8.20 Position of the Fixing Web Solenoid (SL2)......................................................................................................................... 14-64
14.8.21 Position of the Delivery Flapper Solenoid (SL3) ................................................................................................................ 14-64
14.8.22 Position of the Delivery Flapper Solenoid (SL3) ................................................................................................................ 14-64
14.8.23 Position the Fixing/Feeder Unit Locking Solenoid (SL4) ................................................................................................... 14-65
14.8.24 Position of the Fixing Feeding Unit Locking Solenoid (SL4)............................................................................................. 14-65
14.8.25 Position of the Multifeeder Latch Solenoid (SL6)............................................................................................................... 14-65
14.8.26 Adjusting the Position for the Multifeeder Pickup Latch Solenoid (SL6)........................................................................... 14-65
14.8.27 Position of the Deck (right) Pickup Solenoid (SL7)............................................................................................................ 14-65
14.8.28 Position of the Deck (right) Pickup Solenoid (SL7)............................................................................................................ 14-66