Canon imageRUNNER ADVANCE C5051 Series Service Manual page 334

4
Parts Replacement and Cleaning > Main Controller > Removing the Main Controller PCB 1 > Procedure
Removing the Main Controller PCB 1
■ Preparations
1) Open the Right Lower Cover and Right Upper Cover.
2) Remove the Right Rear Cover.
• 1 screw (RS tight; M4)
• 2 screws (TP; M3)
• 1 claw
■ Procedure
1) If the Reader is installed, remove the Reader Power Cable.
• 2 connectors
• 2 wire saddles
• 1 cable guide
Reader power cable
x2
x2
Wire saddles
4 Parts Replacement and Cleaning > Main Controller > Removing the Main Controller PCB 1 > Procedure
x3
Claw
F-4-50
Cable guide
Connectors
F-4-51
2) Remove the USB cable and the control panel communication cable.
Control panel
communication cable
x2
3) Remove the 2 screws and lift the grip.
x2
4) Hold the grip and remove the Main Controller PCB 1.
NOTE:
If option PCB is installed, remove it.
USB cable
F-4-52
Grips
F-4-53
Main controller PCB 1
F-4-54
4-68
4-68