Canon I-Sensys LBP5050, Service Manual

Page: 61 / 104

Chapter 3
3-13
3.1.16 High-voltage PCB
3.1.16.1 Before Removing the High-Voltage Power
Supply PCB
0018-7569
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
0018-7570
LBP5050N / LBP5050
1) Remove the flat cable [1] from the 2 guides [2].
F-3-57
2) Disconnect the 2 connectors [1] and free the harness [3] from the 2 guides
[2].
F-3-58
3) Remove the sub PCB [1].
- 1 screw [2]
4) Free the harness [4] from the guide [3].
F-3-59
5) Remove the high-voltage power supply PCB [1].
- 3 screws (binding) [2]
- 1 screw (w/spring) [3]
- 7 claws [4]
F-3-60
3.2 LASER EXPOSURE SYSTEM
3.2.1 Laser Scanner Unit
3.2.1.1 Before Removing the Laser Scanner Unit
0018-7546
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
0018-7547
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]
[1] [3]
[3] [2]
[2]
[1]
[4] [3]
[2]
[2]
[3] [4]
[4] [4]
[1]