Remove The Power Supply Pcb; Removing The Engine Controller Board - Canon LBP253 SM Manual

Remove the Power Supply
PCB
■ Preparations
1. Remove Left Cover."Removing the Left Cover" on
page 80
2. Remove Right Cover."Removing the Right Cover"
on page 80
3. Remove Rear Cover Unit."Removing the Rear Cover
Unit / Duplex Feed Unit" on page 81
4. Remove Main Controller
Controller Board" on page 84
5. Remove Duplex Reverse Sensor
Duplex Reverse Sensor Unit" on page 86
6. Remove Engine Controller
Engine Controller Board" on page 87
■ Procedure
1. Remove Power Supply PCB [1].
• 3 Connectors [2]
• 1 Screw [3]
• 1 Ring Core [4]
1x
[2]
[3]
Board."Removing the Main
Unit."Remove the
Board."Removing the
1x
[1]
2x
[4]
[2]
Removing the Engine
Controller Board
■ Preparations
1. Remove Left Cover."Removing the Left Cover" on
page 80
2. Remove Right Cover."Removing the Right Cover"
on page 80
3. Remove Main Controller
Controller Board" on page 84
4. Remove Rear Cover
Unit / Duplex Feed Unit" on page 81
5. Remove Duplex Reverse Sensor
Duplex Reverse Sensor Unit" on page 86
■ Procedure
1. Remove harness guide [1].
• 2 Harness guide [1]
• 5 Connectors [3]
[1]
87
4. Disassembly/Assembly
Board."Removing the Main
Unit."Removing the Rear Cover
Unit."Remove the
[2]
5x
[3]