Ricoh D025 Service Manual page 481

No. Type 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
504-01 B
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.
No. Type 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
504-02 B
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.
SM Appendix 3-29
SC Tables
D023/D025