Canon CiRC2550, Руководство по обслуживанию, Страница: 21 / 774

Contents
Chapter 13 Maintenance and Inspection
13.1 Periodically Replaced Parts ...................................................................................................................... 13- 1
13.1.1 Overview ............................................................................................................................................... 13- 1
13.1.2 Reader Unit ........................................................................................................................................... 13- 1
13.1.3 Printer Unit ............................................................................................................................................ 13- 1
13.2 Durables and Consumables ...................................................................................................................... 13- 1
13.2.1 Outline ................................................................................................................................................... 13- 1
13.2.2 Reader Unit ........................................................................................................................................... 13- 1
13.2.3 Printer Unit ............................................................................................................................................ 13- 1
13.3 Scheduled Servicing Basic Procedure .................................................................................................... 13- 3
13.3.1 Scheduled Servicing Basic Procedures ........................................................................................... 13- 3
13.3.2 Items of Work for Scheduled Servicing (reader unit) ..................................................................... 13- 4
13.3.3 Items of Work for Scheduled Servicing (printer unit) ..................................................................... 13- 4
Chapter 14 Standards and Adjustments
14.1
Scanning System
........................................................................................................................................ 14- 1
14.1.1
After Replacing the CIS
...................................................................................................................... 14- 1
14.1.2
After Replacing the Copyboard Glass
.............................................................................................. 14- 1
14.1.3
After Replacing the ADF Reading Glass
.......................................................................................... 14- 1
14.1.4
After Replacing the Reader Controller PCB
.................................................................................... 14- 2
14.2
Laser Exposure System
............................................................................................................................. 14- 2
14.2.1
After Replacing the Laser Scanner Unit
........................................................................................... 14- 2
14.3
Image Formation System
.......................................................................................................................... 14- 3
14.3.1
After Replacing the Secondary Transfer Roller
.............................................................................. 14- 3
14.4
Fixing System
.............................................................................................................................................. 14- 3
14.4.1
Confirming of the nip width
................................................................................................................. 14- 3
14.5
Electrical Components
............................................................................................................................... 14- 3
14.5.1
After Replacing the Reader Controller PCB
.................................................................................... 14- 3
14.5.2
After Replacing the DC Controller PCB
........................................................................................... 14- 4
14.5.3
Replacing Main Controller PCB
........................................................................................................ 14- 4
14.5.4
When Replacing the SRAM PCB
...................................................................................................... 14- 4
14.5.5
When Replacing the HDD
.................................................................................................................. 14- 4
14.6
Pickup/Feeding System
............................................................................................................................. 14- 5
14.6.1
Adjusting the Horizontal Registration When Replacing the Pickup Cassette
............................ 14- 5
14.6.2
Adjust the Horizontal Registration for the Manual Feed Tray
....................................................... 14- 6
Chapter 15 Correcting Faulty Images
15.1 Making lnitial Checks ................................................................................................................................. 15- 1
15.1.1 Checking the Site Environment ......................................................................................................... 15- 1
15.1.2 Checking the Paper ............................................................................................................................. 15- 1
15.1.3
Checking the Durables
........................................................................................................................ 15- 1
15.1.4
Checking the Units and Functional Blocks
...................................................................................... 15- 1
15.1.5
Others
.................................................................................................................................................... 15- 2
15.2 Test Print ...................................................................................................................................................... 15- 2
15.2.1
Overview
............................................................................................................................................... 15- 2
15.2.2
TYPE of test print
................................................................................................................................. 15- 2