Electrical Components; When Replacing The Dc Controller Pcb; When Replacing The Hvt Pcb; After Replacing The Hdd - Canon iR6570 series Service Manual

13.7 Electrical Components

13.7.1 When Replacing the DC Controller PCB

Be sure to perform the following when replacing the DC controller PCB:
1) Transfer the 6 EEPROMs from the existing PCB to the new PCB.
Refer to the color of the round label to make sure that the ROM is
positioned correctly.
2) Enter the values indicated on the label [1] of the new PCB using the
following service mode items:
COPIER> ADJUST> HV-TR> D-PRE-TR
COPIER> ADJUST> HV-TR> D-HV-TR
COPIER> ADJUST> HV-SP> D-HV-SP
COPIER> ADJUST> DEVELOP> D-HV-DE
3) Move the J303 shorting connector from the existing to new PCB.
Take full care. Failure to connect the shorting connector will cause the
control panel display to fail.
Yellow
Red
(ICS3)
(ICS2)
[2]
[1]
Brown
(ICS1)

13.7.2 When Replacing the HVT PCB

Enter the values indicated on the label of the HVT PCB using the
following service mode items:
COPIER>ADJUST>HV-TR>H-PRE-TR
COPIER>ADJUST>HV-TR>HVT-TR
COPIER>ADJUST>HV-SP>HVT-SP
COPIER>ADJUST>DEVELOP>HVT-DE

13.7.3 After Replacing the HDD

1) Format the HDD.
Start up the machine in safe mode (i.e., while holding down the 2 and 8
keys, turn on the main power).
Using the HD format function of the SST, format all partitions ($); for
details, see the descriptions given for upgrading.
2) Download the system software.
Using the SST, download the following: System, Language, RUI,
MEAP CONT (MEAP content), SDICT (OCR dictionary), KEY (key/
certificate for encrypted communication), TTS (audio dictionary).

13.7.4 When Replacing the Main Controller PCB

If you are replacing the main controller PCB, be sure to transfer the
0009-4594
White
(ICS6)
Blue
(ICS5)
Green
(ICS4)
F-13-58
0009-4696
0009-5132
0009-5135
following components from the old to new PCB:
[2]
[1] Boot ROM
[2] HDD
[3] image memory (SDRAM)
[4] counter memory PCB
Chapter 13
[4]
[1]
[3]
F-13-59
13-29