When Replacing The Dc Controller Pcb - Canon iR5000 Service Handbook
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- Service manual (839 pages) ,
- Driver manual (86 pages) ,
- Function manual (167 pages)
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7.5 When Replacing the DC Controller PCB
1) Print out the data of user mode/service mode.
2) Replace the DC controller PCB.
3) Remove the EEPROMs (6 pc.) from the existing PCB, and mount them to the new PCB.
4) After assembling the machine, connect the power plug to the power outlet, and turn on
the main power switch.
5) Enter the values recorded on the label attached to the new DC controller PCB in service
mode:
COPIER>ADJUST>DEVELOP>D-HV-DE
COPIER>ADJUST>HV-TR>D-PRE-TR
COPIER>ADJUST>HV-TR>D-HV-TR
COPIER>ADJUST>HV-SP>D-HV-SP
6) Check to make sure that the following service mode settings are the same as the data ob-
tained before replacing the PCB:
COPIER>ADJUST>LASER>(all items)
COPIER>ADJUST>DEVELOP>(all items except D-HV-DE)
COPIER>ADJUST>DENS>(all items)
COPIER>ADJUST>BLANK>(all items)
COPIER>ADJUST>V-CONT>(all items)
COPIER>ADJUST>HV-PRI>(all items)
COPIER>ADJUST>HV-TR>(all items except D-PRE-TR and D-HV-TR)
COPIER>ADJUST>HV-SP>(all items except D-HV-SP)
COPIER>ADJUST>FEED-ADJ>(all items)
COPIER>ADJUST>CST-ADJ>(all items)
COPIER>ADJUST>MISC>(all items)
If a fault is found in the service mode settings, enter the respective setting recorded on the
service label in service mode; however, enter the settings recorded on the label attached to
the high-voltage unit for the following service mode items:
COPIER>ADJUST>DEVELOP>HVT-DE
COPIER>ADJUST>HV-TR>HVT-TR
COPIER>ADJUST>HV-TR>H-PRE-TR
COPIER>ADJUST>HV-SP>HVT-SP
CHAPTER 2 STANDARDS AND ADJUSTMENTS
2-45
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