• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.:Reverse Motor / SP5-804-047 (Inverter Motor:CW:Standard Speed)
Cause verification Problem Judgement
Turn the referenced motor OFF with OUTPUT check Drive sound heard
Turn the referenced motor ON with OUTPUT check Drive sound not heard
Solution:
• Reconnect the connector.
• Replace the motor.
• Replace the Paper Transport IOB.
• Replace the harness.
Target Part/SP No.:Bypass Length Sensor / SP5-803-024 (By-pass: Sub Scan Length Sensor)
Cause verification Problem Judgement
Execute an INPUT check when there is no paper at the position of
the referenced sensor.
1: Paper detected
Execute an INPUT check when there is paper at the position of the
referenced sensor.
0: Paper not detected
Solution:
• Clean the sensor.
• Reconnect the connector.
• Replace the sensor.
• 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 the paper orientation.
• Turn the paper in the feed tray
upside down.
Check if the paper has reached the maximum stackable limit
of the side paper guide.
Reduce the paper to below the
stackable limit.
Troubleshooting for Transport/Paper Feeding of the Machine
1021
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