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ERROR CODE AND TROUBLESHOOTING
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[C4A0] End of cleaning web
(1) Check if the cleaning web is remaining.
(2) Check if the connector CN332 on the LGC board is not disconnected.
(3) Check if there is no abnormality at the web sensor.
(4) Replace the LGC board.
[C4B0] IGBT overheating abnormality
1. Check the LGC board
(1) Check if the conductor pattern on the board is short circuited or open circuited.
(2) Check if NVRAM is mounted.
(3) Replace the LGC board.
2. Clear the status counter
Change the current status counter value (08-2002) “30 or more” or “4” to “0”.
[CD50] Web motor signal path abnormality
(1) Check if the connector of the web motor and connector pins are not disconnected.
(2) Check if the harness at the fuser unit is not open-circuited.
(3) Check if the connector of the LGC board and connector pins are not disconnected.
(4) Check if the harness between the connector of the LGC board and the fuser unit is not open
circuited.
(5) Replace the LGC board.
(6) Replace the fuser unit.
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