397
Color drum motor error
The LOCK signal error is detected when the EGB monitors the color drum motor state. (This
monitoring is done immediately after power-on, when the motor starts rotating, and
immediately after the motor stops.)
• Disconnected or defective motor harness.
•
Motor slips due to excessive load
1.
Check the harness from the color drum motor. Replace it if necessary.
SC 4xx (Image Transfer and Transfer Error)
400
TM sensor error
The CPU detected a low voltage of the positive reflection output under the threshold in the TM
sensor.
• TM sensors are dirty.
• A solid print out due to an electrostatic charging error
•
The TM sensor is defective.
1. Clean the TM sensors.
2. Replace the TM sensors.
3. Check the image transfer unit.
4. Turn the power Off and On.
6. Troubleshooting
162
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