Ricoh MPC 2800 AT-C2 Mode D'emploi page 430

3. Appendix: Service Call Conditions
No. Type
504-0
B
3
1
No. Type
504-0
B
2
No. Type
505
-01 B
62
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 4 error (Paper Feed Unit or LCT)
For the two-tray paper feed unit
When the tray lift motor is turned on, the upper limit is not detected within 10 seconds.
If this condition occurs three consecutive times, the SC is generated.
For the LCT
If the upper or lower limit is not detected within 8 seconds when the tray lift motor is
turned on to lift up or lower the tray
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection
1. Check the cable connections.
2. Check and/or replace the defective component.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 4 error (3 Tray Paper Feed Unit)
This SC is generated if the following condition occurs 3 consecutive times.
For the two-tray paper feed unit
• When the tray lowers, the tray lift sensor does not go off within 1.5 sec.
For the LCT
• If the upper limit does not go off for 1.5 seconds even the tray lift motor turns
on to lower the tray after the upper limit has been detected at power on.
• Defective tray lift motor or connector disconnection
• Defective lift sensor or connector disconnection
1. Check the cable connections.
2. Check and/or replace the defective component.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
5th tray lift malfunction (optional LCT)
This SC is generated if the following condition occurs:
• When the tray lift sensor of the LCT 1200-sheet does not go on after the tray
lift motor has turned on to lift the paper tray.