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3. Troubleshooting
Unrecoverable Jamming
Bypass Tray
Paper feed jam – Bypass tray (Double Feeding)
Description: The registration sensor did not detect the leading edge of the paper fed from the bypass tray.
3
Probable Cause: Registration sensor signals did not change, dirt, other foreign matter detected on transport
belt.
Location: Transport unit, 1st, 2nd registrations sensors
Service Center Procedure:
1.
Confirm that rear paper guide is set correctly.
2.
Confirm that the paper is not curled.
3.
Confirm that the type of paper can be used with the printer.
Replacement Procedure:
1.
Clean transport belt.
2.
Replace Registration Sensors 1, 2.
3.
Replace Multi Bypass Tray.
4.
Replace the printer.
Paper exit jam – Bypass tray
Description: After the trailing edge sensor detected the trailing edge of the paper fed from the bypass tray,
the paper stopped at the 2nd registration sensor.
Probable Cause: 2nd registration sensor signal did not change.
Location: 2nd registration sensor
Service Center Procedure:
1.
Confirm that rear paper guide is set correctly.
2.
Confirm that the paper is not curled.
3.
Confirm that the type of paper can be used with the printer.
Replacement Procedure:
1.
Replace Registration Sensors 1, 2.
2.
Replace control board.
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