Removing The Main Controller Box Cover; Removing The Differential Pcb/Differential Pcb Relay Board; Removing The Pixel/Line Conversion Pcb; Removing The Main Controller Pcb - Canon ImageRunner iR8500 Series Service Manual

Chapter 4
[1]
[1]

4.7.2.4 Removing the Main Controller Box Cover

iR105i/iR105+ / iR9070 / iR85+ / iR8070
1) Remove the 4 screws [1], and detach the main controller box cover
[2].
4.7.2.5 Removing the Differential PCB/Differential PCB
Relay Board
iR105i/iR105+ / iR9070 / iR8070
1) Loosen the 2 screws [1], and remove the reader controller
communication cable [2].
[2]
4-28
[2]
F-4-39
0008-2692
[1]
[2]
[1]
F-4-40
0008-2694
[1]
F-4-41
2) Remove the 2 screws [1], and detach the differential PCB [2] in the
arrow direction.
[2]
[1]

4.7.2.6 Removing the Pixel/Line Conversion PCB

iR105i/iR105+ / iR9070 / iR85+ / iR8070
1) Remove the 2 screws [1], and detach the PCB mount [2].
[1]
2) Disconnect the 3 connectors [1], and remove the 2 screws [2]; detach
the pixel/line conversion PCB [3] in the arrow direction.
[2] [1]
[1]

4.7.2.7 Removing the Main Controller PCB

iR105i/iR105+ / iR9070 / iR85+ / iR8070
1) Disconnect the 11 connectors [1], and remove the 8 screws [2]; detach
the main controller PCB [3] in the arrow direction.
F-4-42
0008-2696
[1]
[2]
F-4-43
[3]
[1]
F-4-44
0008-2622