Ricoh MP C3004 - Paper Transfer Unit Open;Close LED Not Lit; Paper Transfer Unit Open;Close LED Always Lit

Cause verification Problem Judgement
Execute an INPUT check without an object (e.g. paper) placed within
the sensor detection range.
0: Open
Solution:
• Clean the sensor.
• Reconnect the connector.
• Replace the sensor.
• Replace the Paper Transport IOB.
• Replace the harness.
Paper Transfer Unit Open/Close LED not lit
Target Part/SP No.:Paper Transfer Unit Open/Close LED / SP5-804-206 (PTR Open/Close
LED)
Cause verification Problem Judgement
Turn ON the paper transfer unit open/close LED with OUTPUT check 1: Close
Execute an OUTPUT check without an object (e.g. paper) placed within
the sensor detection range.
0: Open
Solution:
• Clean the LED.
• Reconnect the connector.
• Replace the LED.
• Replace the Paper Transport IOB.
• Replace the harness.
Paper Transfer Unit Open/Close LED always lit
Target Part/SP No.:Paper Transfer Unit Open/Close Sensor / SP5-803-028 (PTR Open/Close
Sensor)
Cause verification Problem Judgement
Execute an INPUT check with an object (e.g. paper) placed within the
sensor detection range
1: Close
6. Troubleshooting
1136