Analog Processor Pcb; Preparation For Removing The Analog Processor Pcb; Removing The Analog Processor Pcb; Ncu Board - Canon MF4690 - ImageCLASS B/W Laser Service Manual

Chapter 9

9.3.10 Analog Processor PCB

9.3.10.1 Preparation for Removing the Analog processor
PCB
1) Remove the front cover.
2) Remove the right cover.
3) Remove the left cover.
4) Remove the rear cover.
5) Remove the frame [1].
- 11 screws [2]

9.3.10.2 Removing the Analog processor PCB

1) Remove the Analog processor PCB [1].
- 1 connector [2]
- 2 screws [3]

9.3.11 NCU Board

9.3.11.1 Preparation for Removing the NCU Board

1) Remove the front cover.
2) Remove the right cover.
3) Remove the left cover.
4) Remove the rear cover.
5) Remove the frame [1].
- 11 screws [2]
9-6
F-9-28
F-9-29
F-9-30

9.3.11.2 Removing the NCU Board

1) Remove the NCU board [1].
- 1 connector [2]
- 3 screws [3]
0016-5021

9.3.12 Power Supply PCB

9.3.12.1 Preparation for Removing the Power Supply
Board
1) Remove the front cover.
2) Remove the right cover.
3) Remove the left cover.
4) Remove the rear cover.

9.3.12.2 Removing the Power Supply Board

0016-5022
1) Remove the power supply board [3].
- 2 connectors [1]
- 6 screws [2]
0016-5015

9.3.13 High-voitage Power Supply PCB

9.3.13.1 Preparation for Removing the High Voltage
Power Supply Board
1) Remove the front cover.
2) Remove the right cover.
3) Remove the left cover.
4) Remove the rear cover.
5) Remove the control panel.
6) Remove the printer cover.
7) Remove the upper cover.

9.3.13.2 Removing the High Voltage Power Supply Board

1) Unhook the 2 claws [1], and remove the fixing guide [2].
F-9-31
F-9-32
0016-5016
0016-5017
0016-5018
0016-5019
0016-5020