Service manual

Contents
11.4.1Outline..................................................................................................................................................... 11- 4
11.4.2Selfoc Lens Array of the Contact Sensor ................................................................................................ 11- 4
11.4.3Cassette Pickup Roller............................................................................................................................. 11- 5
11.4.4Manual Feed Pickup Roller..................................................................................................................... 11- 5
11.4.5Separation Pad......................................................................................................................................... 11- 5
11.4.6Registration Roller .................................................................................................................................. 11- 5
11.4.7Transfer Guide......................................................................................................................................... 11- 5
11.4.8Transfer Charging Roller......................................................................................................................... 11- 6
11.4.9Separation Static Eliminator.................................................................................................................... 11- 6
11.4.10Paper Path.............................................................................................................................................. 11- 6
11.4.11Fixing Inlet Guide ................................................................................................................................. 11- 6
11.4.12Fixing Pressure Roller........................................................................................................................... 11- 6
11.4.13Delivery Roller...................................................................................................................................... 11- 6
11.4.14Back of Copyboard Glass (Back of Shading Plate) .............................................................................. 11- 6
11.4.15Original Pickup Roller (ADF)............................................................................................................... 11- 7
11.4.16Original Feed/Separation Roller (ADF)................................................................................................ 11- 7
11.4.17Original Separation Pad (ADF)............................................................................................................. 11- 7
11.4.18Registration Roller (ADF)..................................................................................................................... 11- 7
11.4.19Original Feed Roller (ADF) .................................................................................................................. 11- 7
11.4.20Original Delivery Roller (ADF) ............................................................................................................ 11- 8
11.4.21Copyboard Glass (Original Reading Area) (ADF)................................................................................ 11- 8
Chapter 12 Standards and Adjustments
12.1 Image Adjustments........................................................................................................................................ 12- 1
12.1.1Leading Edge Read Start Position Adjustment ....................................................................................... 12- 1
12.1.2Left/Right Edge Read Start Position Adjustment.................................................................................... 12- 1
12.2 Scanning System ........................................................................................................................................... 12- 3
12.2.1Preparing a Test Sheet for Adjustment.................................................................................................... 12- 3
12.2.2Contact Sensor LED Intensity Auto Adjustment .................................................................................... 12- 3
12.3 Fixing System................................................................................................................................................ 12- 4
12.3.1Nip Adjustment ....................................................................................................................................... 12- 4
12.4 Electrical Components .................................................................................................................................. 12- 5
12.4.1Outline..................................................................................................................................................... 12- 5
12.4.2When Replacing the Image Processor PCB ............................................................................................ 12- 5
12.5 ADF............................................................................................................................................................... 12- 6
12.5.1 Outline..................................................................................................................................................... 12- 6
12.5.2 Adjusting the Mechanical System .......................................................................................................... 12- 6
12.5.3 Adjusting the Ellectrical System............................................................................................................. 12- 8
Chapter 13 Correcting Faulty Images
13.1 Making lnitial Checks ................................................................................................................................... 13- 1
13.1.1Outline..................................................................................................................................................... 13- 1
13.1.2Making Initial Checks ............................................................................................................................. 13- 1
13.1.3Site Environment..................................................................................................................................... 13- 1
13.1.4Checking the Cartridge............................................................................................................................ 13- 1
13.1.5Checking the Paper.................................................................................................................................. 13- 1
13.1.6Others ...................................................................................................................................................... 13- 1