Sc5Xx: Paper Feed And Fusing - Ricoh Aficio MP C305SP Field Service Manual

SC5xx: Paper Feed and Fusing

No. Type
501 B 1st paper tray lift motor malfunction
502 B 2nd paper tray lift motor malfunction (optional paper feed unit)
503 B 3rd paper tray lift motor malfunction (optional paper feed unit)
The paper lift sensor does not detect paper or finish the detection within the
specified time, after the tray lift motor switched on.
• An obstruction (jammed paper, paper scraps, etc.) has blocked the motor
• Paper lift sensor connection loose, disconnected, or damaged
• Paper lift sensor defective
• Tray lift motor connection loose, disconnected, or damaged
• Tray lift motor defective
1. Check or replace the connector and harness.
2. Replace the tray lift motor.
No. Type
By-pass bottom plate error
The signal from the by-pass tray HP sensor does not change for 2 seconds after
the by-pass bottom plate clutch was activated.
If this condition occurs three consecutive times, this SC is generated.
508 B
• Disconnected or defective connectors of the by-pass bottom plate clutch
• Disconnected or defective by-pass HP sensor
• Defective by-pass bottom plate detection filler
1. Check or replace the connectors of the by-pass bottom plate clutch.
2. Check or replace the by-pass HP sensor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
drive and caused an overload.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
653