Canon 7086 Series Service Manual - page 175
Chapter 4
4-15
F-4-28
4.6.2.2 Removing the Main Controller PCB
0010-8730
iR7105 / iR7095 / iR7086
1) Disconnect the 11 connectors [1].
F-4-29
2) Remove the main controller PCB [1].
- 9 screws [2]
- 2 screws [3] (using a precision screwdriver)
F-4-30
4.6.2.3 Removing the Main Controller PCB (up graded
version)
0018-0403
iR7105 / iR7095 / iR7086 / iR7095P
1) Disconnect the 11 connectors [1].
F-4-31
2) Remove the main controller PCB [1].
- 9 screws [2]
- 2 screws [3] (using a precision screwdriver)
F-4-32
4.6.2.4 When Replacing the Main Controller PCB
0010-8734
iR7105 / iR7095 / iR7086
Before Starting the Work (backing up the data)
If possible, perform the following:
- Using the SST, download the data stored in the RAM of the main controller.
- Print out the user mode/service mode data.
- If you are replacing the main controller PCB, be sure to physically transfer
the following from the existing to the new PCB:
[1] BootROM
[2] HDD
[3] image memory (DDR-SDRAM)
[4] counter memory PCB
[2]
[1]
[1]
[1]
[2]
[2]
[2]
[3]
[1]
[1]
[2]
[2]
[2]
[3]