Canon imageRUNNER 2270 Service Manual page 531

Contents
Chapter 13 Standards and Adjustments
13.1 Image Adjustments ................................................................................................ 13-1
13.1.1 Standards for Image Position .......................................................................... 13-1
13.1.2 Adjusting the Image Position .......................................................................... 13-1
13.1.3 Cassette ........................................................................................................... 13-3
13.1.4 Manual Feed Tray ........................................................................................... 13-6
13.1.5 Side Paper Deck .............................................................................................. 13-7
13.2 Scanning System.................................................................................................... 13-9
13.2.1 After Replacement of the CIS ......................................................................... 13-9
13.2.2 After Replacing the Reader Controller PCB or Initializing the RAM ............ 13-9
13.3 Laser Exposure System........................................................................................ 13-12
13.3.1 After Replacing the Laser Scanner Unit ....................................................... 13-12
13.4 Image Formation System ..................................................................................... 13-13
13.4.1 After Replacing the Developing Unit ........................................................... 13-13
13.4.2 After Replacing the Drum Unit (APVC correction) ..................................... 13-13
13.5 Electrical Components ......................................................................................... 13-14
13.5.1 After Replacing the HDD.............................................................................. 13-14
13.5.2 After Replacing the DC Controller PCB....................................................... 13-14
13.5.3 After Replacing the Main Controller PCB.................................................... 13-15
13.5.4 After Replacing the Main Controller PCB.................................................... 13-16
13.5.5 After Replacing the Reader Controller PCB ................................................. 13-18
13.6 Pickup/Feeding System........................................................................................ 13-20
13.6.1 Adjusting the Horizontal Registration When Replacing the Cassette .......... 13-20
13.6.2 Adjusting the Horizontal Registration When Replacing the Duplex Unit .... 13-23
13.6.3 Adjusting the Manual Feed Pickup Horizontal Registration ........................ 13-23
13.6.4 Registering the Paper Width Basic Value ..................................................... 13-24
Contents