Canon iR5000 Service Manual page 639

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Connector
2) Is the connector (J108) on the DC controller PCB connected cor-
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
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-
NO:
Data
3) Execute the following in service mode:
YES: Check the operation; if normal, end the work.
EEPROM, DC controller PCB
4) Try replacing the EEPROM. Is the problem corrected?
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
rectly?
Connect the connector securely.
Check the wiring; if normal, replace the DC controller PCB.
PCB, have they been put back in their initial sockets?
troller PCB?
Connect them correctly.
COPIER>FUNCTION>CLEAR>DC-CON. Is the problem cor-
rected? Thereafter, be sure to enter the service mode data once
again.
Thereafter, be sure to enter the service mode data once again.
Check the wiring; if normal, replace the DC controller PCB.
See "The scanner fails to move forward."
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