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January 2000 © TOSHIBA TEC 4 - 29 FC-22 TROUBLESHOOTING
C3C Main charger wire abnormal (K)
C3D Main charger wire abnormal (C)
C3E Main charger wire abnormal (M)
C3F Main charger wire abnormal (Y)
Is the harness between the LGC board and the EPU drawer connector or any harness inside
the EPU open-circuited?
Is the wire cleaner drive motor connector, the connector J119 on the LGC board, the connector
of the wire cleaner home position switch, or the connector of the wire cleaner limit switch dis-
connected?
Is the wire cleaner home position switch or the wire cleaner limit switch defectively installed?
1. Reconnect the connector. Replace the harness.
2. Reinstall the wire cleaner home position switch or the wire cleaner limit switch
securely.
Is the main charger dislocated?
Is the wire cleaner home position switch or the wire cleaner limit switch disconnected?
1. Reinstall the main charger.
2. Reconnect the wire cleaner home position switch.
3. Reconnect the wire cleaner limit switch.
Is the mechanical load too heavy?
1. Check if the cleaning pad is in normal contact with the main charger wire.
2. Eliminate any foreign matter present in the drive system.
3. Check if any movable component is abnormally worn.
4. Clean the wire cleaner drive auger and remove stains or foreign matters.
5. Clean the slidable surface of the charger case and remove stains or foreign
matters.
1. Replace the wire cleaner home position switch or the wire cleaner limit switch.
2. Replace the wire cleaner drive motor.
3. Replace the LGC board.
NO
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YES
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NO
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YES
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NO
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YES
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