Electrical Components - Canon iR4570 Series Service Manual

13.5 Electrical Components

13.5.1 After Replacing the
HDD
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
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,
LANGUAGE, RUI, PS-FRONT, OCR dictionary,
SSL coding key, SSL CA certificate, MEAP
content.
Keep in mind that the machine may take about 5 min
to start up after downloading.
13.5.2 After Replacing the
DC Controller PCB
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
- Before replacing the DC controller PCB, print out
the latest P-PRINT page.
C O P I E R > F U N C T I O N > M I S C - P > P -
PRINT
1) Using the SST, download the latest system
software.
2) Using the following service mode item, initialize
the memory of the DC controller PCB:
COPIER>FUNCTION>CLEAR>DC-CON
3) Using the following service mode items, enter the
values indicated on the P-PRINT page:
- COPIER>ADJUST>LASER>LA-DELAY/ LA-
OFF/ POWER
- COPIER>ADJUST>DEVELOP>DE-OFST
0007-8275
download the following:
0007-4922
- COPIER>ADJUST>BLANK>BLANK-T/
BLANK-B
- COPIER>ADJUST>HV-RPRI>OFST-DC/ OFST-
AC
- COPIER>ADJUST>HV-TR all items under
- COPIER>ADJUST>FEED-ADJ all items under
- COPIER>ADJUST>CST-ADJ all items under
- COPIER>ADJUST>FIXING all items under
- COPIER>ADJUST>MISC all items under
4) Execute the following service mode items:
- COPIER > FUNCTION > DPC > D-GAMMA
13.5.3 After Replacing the
Main Controller PCB
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
If you are replacing the main controller PCB, be sure
to transfer the following components from the
old to new PCB:
[1] boot ROM
[2] HDD
[3] image memory (SDRAM)
[4] counter memory PCB
F-13-23
Chapter 13
0007-5188
13-11