Ricoh MP C3004 Field Service Manual page 1127

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.:Duplex/Bypass Motor / SP5-804-071 (Duplex Bypass
Motor:CW:Standard Speed)
Cause verification
Turn the referenced motor OFF with OUTPUT check
Turn the referenced motor ON with OUTPUT check
Solution:
• Reconnect the connector.
• Replace the motor.
• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.:Reverse Motor / SP5-804-047 (Inverter Motor:CW:Standard Speed)
Cause verification
Turn the referenced motor OFF with OUTPUT check
Turn the referenced motor ON with OUTPUT check
Solution:
• Reconnect the connector.
• Replace the motor.
• Replace the Paper Transport IOB.
• Replace the harness.
Troubleshooting for Transport/Paper Feeding of the Machine
Problem Judgement
1: Paper not detected
Problem Judgement
Drive sound heard
Drive sound not heard
Problem Judgement
Drive sound heard
Drive sound not heard
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