Parts Replacement Procedure; Main Controller Pcb; Removing The Rear Cover; Removing The Main Controller Pcb - Canon iR4570 Series Service Manual

Chapter 4
4.7
Parts
Procedure

4.7.1 Main Controller PCB

4.7.1.1 Removing the Rear
Cover
iR2270 / iR2870 / iR3570 / iR4570
1) Remove the 13 screws [1] and then the other screw
[2]; then, detach the rear cover [3].
If the left cover (lower) has already been detached, the
screw [3] should also have been removed.
[3] [1]
[1]
[1]
[1]
[1]
[1]
[1]
F-4-21
4.7.1.2 Removing the Main
Controller PCB
iR2270 / iR2870 / iR3570 / iR4570
4-20
Replacement
0007-6401
[1]
[1]
[1]
[1]
[1]
[1]
[2]
0007-6417
1) Disconnect the connector [1].
F-4-22
Freeing the Flexible Cable
To free the flexible cable [1], shift up the lock first as
shown.
F-4-23
2) Remove the 9 screws [1], and detach the main
controller PCB [2].