No drum gear position sensor
signal is detected within 0.8
second (C2a/k: 125 mm/s,
C2b: 162 mm/s) or 2.0
seconds (81 mm/s).
• Defective PCU
• Defective drum motor
• Defective drum gear
position sensor
1. Turn the main switch off and on.
2. Check and/or replace the PCU.
3. Check and/or replace the sensor.
I can almost guarantee the drum motor failed. I keep one in stock, the new ones have a shield to protect the circuitry. Attached is the tech bulletin...
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