High-Voltage Pcb; Before Removing The High-Voltage Power Supply Pcb; Removing The High-Voltage Power Supply Pcb; Laser Exposure System - Canon LBP5050 Series Service Manual

3.1.16 High-voltage PCB

3.1.16.1 Before Removing the High-Voltage Power
Supply PCB
LBP5050N / LBP5050
1) Remove the right cover. (page 3-2)[Removing the Right Cover]
2) Remove the left cover. (page 3-2)[Removing the Left Cover]
3) Remove the rear side cover. (page 3-1)[Removing the Rear Side Cover]
4) Remove the upper rear cover. (page 3-1)[Removing the Upper Rear
Cover]
5) Remove the upper cover assembly. (page 3-3)[Removing the Upper
Cover Assembly]

3.1.16.2 Removing the High-Voltage Power Supply PCB

LBP5050N / LBP5050
1) Remove the flat cable [1] from the 2 guides [2].
2) Disconnect the 2 connectors [1] and free the harness [3] from the 2 guides
[2].
[1] [3]
[3] [2]
3) Remove the sub PCB [1].
- 1 screw [2]
4) Free the harness [4] from the guide [3].
[2]
[1]
F-3-57
F-3-58
0018-7569
0018-7570
5) Remove the high-voltage power supply PCB [1].
- 3 screws (binding) [2]
- 1 screw (w/spring) [3]
- 7 claws [4]
[4]

3.2 LASER EXPOSURE SYSTEM

3.2.1 Laser Scanner Unit

3.2.1.1 Before Removing the Laser Scanner Unit

LBP5050N / LBP5050
1) Remove the right cover. (page 3-2)[Removing the Right Cover]
2) Remove the left cover. (page 3-2)[Removing the Left Cover]
3) Remove the rear side cover. (page 3-1)[Removing the Rear Side Cover]
4) Remove the upper rear cover. (page 3-1)[Removing the Upper Rear
Cover]
5) Remove the upper cover assembly. (page 3-3)[Removing the Upper
Cover Assembly]

3.2.1.2 Removing the Laser Scanner Unit

LBP5050N / LBP5050
1) Remove the 2 flat cables [1] from the 2 guides [2].
2) Disconnect the 3 connectors [3].
3) Free the purple harness [4] from the guide [5].
[2]
[1]
[3] [4]
F-3-59
[2] [4]
[2] [4]
F-3-60
Chapter 3
[1]
[3]
0018-7546
0018-7547
3-13