Canon LBP253 SM Manual page 96

5. Remove Controller Box[1]
• 5 connectors [2]
• 2 Wire Saddle [3]
• Harness guide [4]
• 5 Screw [5]
5x
[5]
[2]
CAUTION:
Points to Note when Removing the Controller Box:
A washer is attached to the screw, so be careful not to
lose it when removing.
6. Remove 2 screw [1].
2x
3x 5x
[1]
[2]
[5]
[4]
[3]
[2]
[1]
7. Disengage 2 latch [1] on left and right side of frame,
and move Engine Controller Board [2] downwards.
[1]
8. Remove the Engine Controller PCB [1] while paying
attention not to get the harness [2] and the Flat Cable
[3] caught.
89
4. Disassembly/Assembly
[1]
[2]
[1]
[2]
[3]