Bootrom - Canon imageRUNNER 7095 Service Manual

Chapter 4
4) Remove the reader I/F PCB [1].
- 2 screws [2]
F-4-23
5) Disconnect the 4 connectors [1] of the video
PCB.
F-4-24
6) Remove the video PCB unit [1].
- 2 screws [2]
[2]
[1]
F-4-25
4.6.2.2 Removing the Main Controller
PCB
1) Disconnect the 11 connectors [1].
F-4-26
4-14
2) Remove the main controller PCB [1].
- 9 screws [2]
- 2 screws [3] (using a precision screwdriver)
[2]
[1]
[2]
[1]
4.6.2.3 When Replacing the Main
Controller PCB
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
0010-8730
[1]
[2]
[1]
F-4-27
[3]
[1]
[4]
F-4-28
[2]
[3]
0010-8734
[2]