Ricoh MP C2504 Field Service Manual page 1032

• Clean the sensor.
• Reconnect the connector.
• Replace the sensor.
• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.: Transport Motor / SP5-804-028
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 the paper position (Check whether or not the leading
edge of the paper, side paper guide, and end paper guide
are positioned according to the manual.)
Check if the paper has reached the maximum stackable limit
of the side paper guide.
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.
Check if the paper being used produces a lot of paper dust.
Check if there is no double feeding.
Check if the paper feed tray is not stained with a lot of paper
dust.
Check if the paper roller is not stained with paper dust.
Troubleshooting for Transport/Paper Feeding of the Machine
Problem Judgement
Drive sound heard
Drive sound not heard
• Check the paper orientation.
• Turn the paper in the feed tray
upside down.
Reduce the paper to below the
stackable limit.
Use a supported paper type.
Set the paper thickness and size to the
correct value.
Change the paper type (if possible).
Fan the paper.
Clean the paper feed tray.
Clean the pick-up roller, feed roller,
and friction roller for 2nd feed tray.
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