Ricoh G188 Service Manual page 317

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
For the two-tray paper feed unit or one-tray paper feed unit:
Defective tray lift motor or connector disconnection
Defective lift sensor or connector disconnection
For the LCT:
Defective stack transport clutch or connector disconnection
Defective tray motor or connector disconnection
Defective end fence home position sensor or connector
disconnection
Defective upper limit sensor or connector disconnection
Defective tray lift motor 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 3 error (Paper Feed Unit or LCT)
This SC is generated if the following condition occurs 3 consecutive
times.
For the two-tray paper feed unit or one-tray paper feed unit:
When the tray lowers, the tray lift sensor does not go off within 1.5
sec.
503
B
For the LCT:
-02
When the main switch is turned on or when the LCT is set, if the
end fence is not in the home position (home position sensor ON),
the tray lift motor stops.
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.
SM Appendix
Service Call Conditions
3-21 G188/G189