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ERROR CODE and TROUBLESHOOTING
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[CD71] Waste toner transport motor locking error
[CD80] Waste toner motor locking error
Classification Error item
Process related service call The auger in the waste toner transport path does not rotate.
Check item Measures
EPU tray (process unit) • Pull out the process unit, rotate the gear counterclockwise
and check if the load is extremely heavy.
• Is the load still extremely heavy after the gear is rotated for
a while to discharge the toner from the waste toner
transport path?
• Is the load still extremely heavy after the actuator is
removed, the auger is pulled out and clean them?
Fig.8-2
Waste toner transport motor (M33) • Motor check
(Perform the output check: 03-234)
• Connector check
• Harness check
Auger lock detection sensor (S42) • Sensor check
(Perform the input check: K: 03-[FAX]ON/[0]/[B])
• Connector check
• Harness check
EPU board • Connector check (CN551, CN557)
• Board check
LGC board • Connector check (CN308, CN331)
• Board check
Replace parts Remarks
Waste toner transport motor
Auger lock detection sensor
EPU board
LGC board
Classification Error item
Process related service call The auger (TRU side) in the TRU waste toner transport path
does not rotate.
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