Canon iR C6800 Series Service Manual page 15

10.5.16 Primary Exhaust Fan............................................................................................................................ 10 39
10.5.17 Fixing Heat Discharge Fan .................................................................................................................. 10 42
10.5.18 Power Supply Cooing Fan ................................................................................................................... 10 46
10.5.19 Delivery Cooling Fan 1........................................................................................................................ 10 47
10.5.20 Delivery Cooling Fan 2........................................................................................................................ 10 48
10.5.21 Ozone Filter ......................................................................................................................................... 10 49
10.5.22 Toner Filter .......................................................................................................................................... 10 50
10.5.23 Sub Toner Filter ................................................................................................................................... 10 51
Chapter 11 Maintenance and Inspection
11.1 Periodically Replaced Parts............................................................................................................................ 11 1
11.1.1 Overview ................................................................................................................................................. 11 1
11.1.2 Reader Unit.............................................................................................................................................. 11 1
11.1.3 Printer Unit .............................................................................................................................................. 11 2
11.2 Durables and Consumables ............................................................................................................................ 11 3
11.2.1 Overview ................................................................................................................................................. 11 3
11.2.2 Reader Unit.............................................................................................................................................. 11 3
11.2.3 Printer Unit .............................................................................................................................................. 11 4
11.3 Scheduled Servicing Basic Procedure ............................................................................................................ 11 5
11.3.1 Scheduled Servicing Basic Procedure ..................................................................................................... 11 5
11.3.2 Scheduled Servicing (reader unit) ........................................................................................................... 11 6
11.3.3 Scheduled Servicing (printer unit) .......................................................................................................... 11 7
11.3.4 Shifting the Photosensitive Drum Phase ............................................................................................... 11 13
11.4 Cleaning........................................................................................................................................................ 11 21
11.4.1 Cleaning the Secondary Transfer Rear Guide ....................................................................................... 11 21
11.4.2 Cleaning the Registration Roller, Registration Guide, and Transparency Sensor ................................ 11 22
Chapter 12 Standards and Adjustments
12.1 Image Adjustment Basic Procedure ............................................................................................................... 12 1
12.1.1 Image Adjustment Basic Procedure 1 ..................................................................................................... 12 1
12.1.2 Image Adjustment Basic Procedure 2 ..................................................................................................... 12 3
12.1.3 Image Adjustment Basic Procedure 3 ..................................................................................................... 12 4
12.1.4 Image Adjustment Basic Procedure 4 ..................................................................................................... 12 5
12.1.5 Image Adjustment Basic Procedure 5 ..................................................................................................... 12 6
12.1.6 Image Adjustment Basic Procedure 6 ..................................................................................................... 12 7
12.1.7 Potential Control Conversion Table ........................................................................................................ 12 8
12.2 Image Adjustments....................................................................................................................................... 12 16
12.2.1 Image Position ....................................................................................................................................... 12 16
12.2.2 Checking the Image Position................................................................................................................. 12 16
12.2.3 Cassette.................................................................................................................................................. 12 17
12.2.4 Manual Feed Tray ................................................................................................................................. 12 18
12.2.5 Front Deck ............................................................................................................................................. 12 18
12.3 Scanning System .......................................................................................................................................... 12 20
12.3.1 After Replacing the CCD Unit .............................................................................................................. 12 20
12.3.2 After Replacing the Copyboard Glass................................................................................................... 12 21
12.3.3 After Replacing the Reader Controller PCB or Initializing the RAM .................................................. 12 21
12.4 Laser Exposure System ................................................................................................................................ 12 23
12.4.1 After Replacing the Laser Scanner........................................................................................................ 12 23
12.5 Image Formation System.............................................................................................................................. 12 23
12.5.1 After Replacing the Black Developing Unit ......................................................................................... 12 23
12.5.2 Points to Note When Mounting the Polarity Positioning Plate ............................................................. 12 23
12.5.3 Replacing the Color Developing Unit ................................................................................................... 12 24
Contents