Ricoh D104 Field Service Manual page 589

No. Type
Paper tray feed motor lock (optional Paper Tray Unit)
A motor lock signal is not detected for more than 1.5 s at power-on or the lock signal
is not detected for more than 1.0 s during rotation.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the feed motor
drive and caused an overload.
506 B
• Paper tray feed motor connection loose, disconnected, or damaged
• Paper tray feed motor defective
1. Check or replace the harness.
2. Replace the feed motor.
3. Replace the BCU
No. Type
By-pass bottom plate error
The signal from the by-pass tray HP sensor does not change for 1.0 second after
the by-pass motor has rotated counterclockwise.
If this condition occurs three consecutive times, the SC is generated.
• Disconnect or defective harness of the by-pass motor
508 B
• Defective or disconnected connection for the by-pass motor.
• Defective by-pass motor
• Disconnect or defective harness of the by-pass HP sensor
• Defective or disconnected connection for the by-pass HP sensor.
• Defective by-pass HP sensor
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
6
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