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Diagnostic Information 2-61
5016-001
B 84 Transfer Belt Exhausted or 917 Error Code displays, the OPC/
ITM drive gear is turning and a new ITM does not fix the problem.
C The waste toner bottle is not detected, and a new ITM does not fix
the problem.
FRU Action
1 Transfer Belt
Position Sensor
(PS200)
Engine Board
MSN Cable
The transfer belt sensor is a LED Optotransistor
pair that detects the belt by sensor (PS200)
reflecting light from the LED to the belt in the ITM
and back to the phototransistor. The sensor
checks when the transfer belt has reached home
position. Check the transfer belt sensor for correct
operation.
If the sensor is not operating properly, replace the
FRU's in the following order.
1. Belt position sensor
2. Engine board
3. MSN cable
FRU Action
1 Waste Toner
Sensor Board
(PQ350)
Engine Board
MSN Cable
Check the waste toner sensor board cable and
MSN cable connections.
• If correct, check the waste toner sensor for
proper operation.
• If the sensor is not operating correctly, replace
the following FRU's, in the order shown:
1. Waste toner sensor board
2. Engine board
3. MSN cable