Sub Driver Unit; Before Removing The Sub Drive Assembly; Removing The Sub Drive Assembly; Main Motor - Canon LBP5050 Series Service Manual

Chapter 3
[4] [3]
[2]
[2]

3.1.9 Sub Driver Unit

3.1.9.1 Before Removing the Sub Drive Assembly

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 rear door. (page 3-1)[Removing the Rear Door]
6) Remove the upper cover assembly. (page 3-3)[Removing the Upper
Cover Assembly]
7) Remove the main controller PCB. (page 3-11)[Removing the Main Con-
troller PCB]
8) Remove the low-voltage power supply assembly. (page 3-11)[Remov-
ing the Low-Voltage Power Supply Assembly]
9) Remove the DC controller PCB. (page 3-10)[Removing the DC Con-
troller PCB]
10) Remove the main drive assembly. (page 3-6)[Removing the Main
Drive Assembly]

3.1.9.2 Removing the Sub Drive Assembly

LBP5050N / LBP5050
1) Remove the sub drive assembly cover [1].
- 2 screws [2]
2) Remove the sub drive assembly [1].
- 2 screws [2]
3-8
[1]
[2]
[1]
[2]
F-3-38
Points to Note At Parts Replacement
The dowel pin may come off in certain directions of the shaft [1]. Be careful
not to drop or lose the dowel pin [2].
When installing the sub drive assembly, be sure to fix the dowel pin [2] to
the shaft [1], rotate the shaft [1] and the gear [3], fit the dowel pin [2] into
the pin holder [4] of the gear horizontally and then install the assembly.
[2]
0018-8336
0018-8335

3.1.10 Main Motor

3.1.10.1 Before Removing the Main Motor

LBP5050N / LBP5050
1) Remove the right cover. (page 3-2)[Removing the Right Cover]

3.1.10.2 Removing the Main Motor

LBP5050N / LBP5050
1) Remove the flat cable [1].
- 1 connector [2]
- 2 guides [3]
[1]
F-3-39
[1]
[2]
[3] [4]
0018-7822
0018-7617