Ricoh D143 Field Service Manual page 809

No. Type
This SC is generated if the following condition occurs.
For the two-tray paper feed unit
When the tray lift motor is turned on, the upper limit is not detected within 15
seconds.
For the LCT 1200-sheet
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.
This SC is generated too 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 1200-sheet
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. Turn the power switch off and on.
No. Type
520
Registration motor error
-01
-02 Paper feed motor error
The IOB does not receive the lock signal.
• Motor overload
• Defective registration motor
C
• Disconnected or broken harness
• Defective IOB
1. Check the cable connection.
2. Replace the harness.
3. Replace the registration motor.
4. Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call
807