E196; E202 - Canon iR5000 Service Manual

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Connector
2) Is the connector (J108) on the DC controller PCB connected cor-
rectly?
NO:
Controller cooling fan (FM4), DC controller PCB
3) Try replacing the controller cooling fan. Is the problem corrected?
YES: End.
NO:

4.1.17 E196

EEPROMs
1) If the EEPROMs (6 pc.) have been removed from the DC controller
PCB, have they been put back in their initial sockets?
IC Nos. and Stickers on the EEPROMs
IC104: brown, IC105: red, IC109: yellow,
IC110: green, IC127: blue, IC130: white
EEPROMs
2) Are all EEPROMs securely connected to the sockets of the DC con-
troller PCB?
NO:
Data
3) Execute the following in service mode:
COPIER>FUNCTION>CLEAR>DC-CON. Is the problem cor-
rected? Thereafter, be sure to enter the service mode data once
again.
YES: Check the operation; if normal, end the work.
EEPROM, DC controller PCB
4) Try replacing the EEPROM. Is the problem corrected?
Thereafter, be sure to enter the service mode data once again.
YES: End.
NO:

4.1.18 E202

General condition
1) Is the scanner in its home position when E202 is indicated?
NO:
4-26 T
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Connect the connector securely.
Check the wiring; if normal, replace the DC controller PCB.
Connect them correctly.
Check the wiring; if normal, replace the DC controller PCB.
See "The scanner fails to move forward."
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