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Check of Photoconductor Unit attachment. Re-attach Photoconductor Unit.
Is the Drum of Photoconductor Unit rotating?
Remove Photoconductor Unit. Turn gear of Photoconductor Unit until silver seal attached to Belt can be seen.Is silver seal dirty?
Remove Photoconductor Unit. Is SENSOR TR-0 attached securely?
Remove Photoconductor Unit. Are there any dirt or foreign bodies on the SENSOR TR-0 surface?
Does the error recur when the power is turned ON?
Remove Photoconductor Unit. The voltage of P416-2 ↔ P416-3 on PWBA MCU is 5 VDC when silver paper or other reflective object comes close to the sensing area of SENSOR TR-0, and is 0 VDC when the object is released?
The voltage of P416-1 ↔ P416-3 on PWBA MCU is 5 VDC?
Disconnect the P/J416 from PWBA MCU. Do all of the wiring below have normal continuity?
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