Procedure After Replacing The Dc Controller Pcb; Memory Controller Pcb; Before Removing The Memory Controller Pcb; Removing The Memory Controller Pcb - Canon Color imageCLASS MF9170c Service Manual

[2]
[2]
[1]
F-10-59
2) Remove the DC controller PCB [1].
- 4 screws [2]
[1]
[2]
F-10-60
10.5.13.3 Procedure after Replacing the DC controller
PCB
imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
After replacing the DC controller PCB, restore the backup data from the
main controller PCB.
1) Using the service mode, restore the backup data of the DC controller
stored in NVRAM of the main controller PCB to NVRAM of the DC con-
troller PCB.
COPIER> FUNCTION> VIFFNC> RSTR-DCN
2) Execute "Initial Setting/Registration > Adjustment/Cleaning > Automatic
Gradation Correction > Full Correction".

10.5.14 Memory Controller PCB

10.5.14.1 Before Removing the Memory Controller PCB

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
1) Remove the ETB unit.(page 7-31)Reference [Removing the ETB Unit]
2) Remove the rear cover unit.(page 10-11)Reference [Removing the Rear
Cover Unit]
3) Remove the left cover.(page 10-13)Reference [Removing the Left Cov-
er]
4) Remove the right cover.(page 10-11)Reference [Removing the Right
Cover]
5) Remove the Electrical Components Cover.(page 10-15)Reference [Re-
moving the Electrical Components Cover]
6) Remove the Controller Box.(page 10-15)Reference [Removing the Con-
troller Box]
7) Remove the Off Hook PCB. (only of the machine with FAX)(page 10-
25)Reference [Removing the Off Hook PCB]
8) Remove the DC Controller PCB.(page 10-22)Reference [Removing the
DC Controller PCB]
9) Remove the Laser Scanner Cover.(page 10-16)Reference [Removing the
Laser Scanner Cover]

10.5.14.2 Removing the Memory Controller PCB

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
[2]
[1]
[2]
[1]
[2]
[1]
[2]
0021-0347
0020-3352
0019-5777
1) Remove the memory controller PCB [1].
- 4 connectors [2]
- 3 screws [3]
[1]
[3]
F-10-61

10.5.15 Duplexing Driver PCB

10.5.15.1 Before Removing the Duplex Driver PCB

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
1) Remove the ETB unit.(page 7-31)Reference [Removing the ETB Unit]
2) Remove the rear cover unit.(page 10-11)Reference [Removing the Rear
Cover Unit]
3) Remove the right cover.(page 10-11)Reference [Removing the Right
Cover]

10.5.15.2 Removing the Duplex Driver PCB

imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
1) Remove the duplex driver PCB [1].
- 3 connectors [2]
- 3 screws [3]
[3] [2] [1]
F-10-62

10.5.16 Low-voltage Power Supply PCB

10.5.16.1 Before Removing the Low-Voltage Power
Supply PCB
imageCLASS MF9170c / imageCLASS MF9150c / imageCLASS MF8450c
MEMO:
19 parts (e.g.: external cover, unit) need to be removed when removing the
low voltage power supply PCB. Be sure to have enough space equivalent to
1,700mm x 1,100mm for storing parts.
Chapter 10
[2]
0019-5742
0019-5743
[2]
[3]
0019-5738
10-23