Main Controller Pcb; Before Removing The Main Controller Pcb; Removing The Main Controller Pcb; Top Sensor - Canon LBP3250 Series Service Manual

Chapter 3
[3] [2]
[7]
[2] [6]
Point to Note at Installation
When installing the terminal [1], be sure to make it in contact with the
contact spring [2] as shown in the figure below.
[2]

3.1.11 Main Controller PCB

3.1.11.1 Before Removing the Main Controller PCB

1) Remove the upper cover. (page 3-2)Reference[Removing the Upper
Cover]
2) Remove the left cover. (page 3-1)Reference[Removing the Left Cover]

3.1.11.2 Removing the Main Controller PCB

1) Remove the main controller unit [1].
- 1 flat cable [2]
- 1 screw (with washer) [3]
- 2 screws (TP) [4]
3-8
[1]
[2]
[4]
[5]
F-3-25
[1]
[4]
[4]
2) Remove the claw [1] to remove the guide [2].
3) Remove the main controller PCB [3].
- 4 screws [4]
- 1 cover [5]
- 1 fixing plate [6]
[4]
[4]
0019-7888

3.1.12 Top sensor

3.1.12.1 Before Removing the Paper Lead Edge Sensor

1) Remove the upper cover. (page 3-2)Reference[Removing the Upper
0019-7890
Cover]
2) Remove the left cover. (page 3-1)Reference[Removing the Left Cover]
3) Remove the right cover. (page 3-1)Reference[Removing the Right Cov-
er]
4) Remove the rear cover. (page 3-1)Reference[Removing the Rear Cover]
5) Remove the main controller PCB. (page 3-8)Reference[Removing the
Main Controller PCB]

3.1.12.2 Removing the Paper Lead Edge Sensor

1) Remove the rear inner cover [1].
- 1 screw [2]
- 2 claws [3]
[3]
[1]
[2]
F-3-26
[2]
[1]
[3]
[5]
F-3-27
[6]
0019-8137
0019-8139