Ricoh A229 Service Manual page 438

SC503: 3rd tray lift malfunction
-Definition- [C]
One of following conditions is detected in the 3rd tray.
1) The 3rd lift sensor is not activated after the tray lift motor has been on for 10
seconds.
2) The 3rd lift sensor is already activated when the 3rd tray is placed in the
machine.
- Possible causes -
• 3rd lift sensor defective
• 3rd tray lift motor defective
• Poor 3rd tray lift motor connection
SC506: Paper feed motor lock
-Definition- [C]
A paper feed motor lock signal is detected for more than 50 ms during rotation.
- Possible causes -
• Paper feed motor defective
• Too much load on the drive mechanism
• Poor paper feed motor connector connection
SC507: LCT motor lock (optional LCT)
-Definition- [C]
A main motor lock signal is detected for more than 50 ms during rotation.
- Possible causes -
• LCT motor defective
• Too much load on the drive mechanism
• Poor motor connector connection
SM
SERVICE CALL CONDITIONS
6-15 A229