Ricoh MP C3004 Field Service Manual page 1117

Cause verification
Execute an INPUT check when there is paper at the position of
the referenced sensor.
Solution:
• Clean the sensor.
• Reconnect the connector.
• Replace the sensor.
• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.:Paper Feed Sensor (1st Feed Tray) / SP5-803-002 (Paper Feed Sensor 1)
Cause verification
Execute an INPUT check when there is no paper at the position
of the referenced sensor.
Execute an INPUT check when there is paper at the position of
the referenced sensor.
Solution:
• Clean the sensor.
• Reconnect the connector.
• Replace the sensor.
• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.:Bypass Feed Solenoid / SP5-803-016 (Bypass Pickup Solenoid)
Turn the referenced solenoid OFF with OUTPUT check
Turn the referenced solenoid ON with OUTPUT check
Solution:
• Reconnect the connector.
• Replace the solenoid.
• Replace the Paper Transport IOB.
• Replace the harness.
Cause verification
Troubleshooting for Transport/Paper Feeding of the Machine
Problem Judgement
1: Paper not detected
Problem Judgement
1: Paper detected
0: Paper not detected
Problem Judgement
Drive sound heard
Drive sound not heard
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