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TROUBLESHOOTING
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[E480] Bridge unit open jam
Is the Bridge unit open?
È YES Æ Remove the paper if there is any, then close the unit.
NO
Is the bridge unit cover opening/closing detection switch working?
(Perform the input check: 03-[FAX]ON/[0]/[B])
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È
NO Æ 1) Check if the connector of the bridge unit cover opening/closing detection
switch is disconnected.
2) Check if the connector CN353 on the LGC board is disconnected.
3) Check if the connector pins are disconnected or the harnesses are open
circuited.
4) Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5) Replace the bridge unit cover opening/closing detection switch.
6) Replace the LGC board.
YES
Replace the LGC board.
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