Ricoh MP 7503SP Field Service Manual page 1280

7. Troubleshooting
SC505-04 B
1278
• Lift motor harness connector loose, broken, defective
• Lift sensor harness connector loose, broken, defective
• Paper sensor harness connector loose, broken, defective
• Lower limit sensor harness connector loose, broken, defective
• Paper height sensor harness connector loose, broken, defective
• Lift motor defective
• Lift sensor defective
• Paper sensor defective
• Lower limit sensor defective
• Paper height sensor defective
• LCIT main board defective
• Inspect lift motor harness, connector and replace if defective
• Inspect lift sensor harness, connector and replace if defective.
• Inspect paper sensor harness, connector and replace if defective.
• Inspect lower limit sensor harness, connector and replace if defective.
• Inspect paper height sensor harness, connector and replace if defective.
• Replace lift motor.
• Replace lift sensor.
• Replace paper sensor.
• Replace lower limit sensor.
• Replace paper height sensor.
• Replace LCIT main board
LCIT error: Paper overload error
At initialization the machine detected both the lift sensor and lower limit sensor
ON.
• Paper tray overload
• Lift sensor harness, connector loose, broken, defective
• Lower limit sensor harness, connector loose, broken, defective
• Lift sensor defective
• Lower limit sensor defective
• LCIT main board defective