Ricoh MP C2504 Field Service Manual page 1038

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.: Bypass/Duplex 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.
Checking paper jam, or paper status
Check if there is no double feeding.
Check if the paper is curled too much.
Check if extra thin paper or thick paper exceeding the
supported paper thickness is being used.
Check if the paper thickness and size are detected correctly.
Troubleshooting for Transport/Paper Feeding of the Machine
Problem Judgement
1: Paper not detected
Problem Judgement
Drive sound heard
Drive sound not heard
Fan the paper.
If the paper is curled too much, switch
on the anti-condensation heater for
paper tray.
Use a supported paper type.
Set the paper thickness and size to the
correct value.
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