Ricoh Aficio 220 Service Manual page 306

20 September 1999
SC734: Finisher lift motor error
- Definition - [B']
The stack height sensor does not activate within a certain time after the shift tray
lift motor turned on.
- Possible causes -
• Shift tray lift motor defective
• Stack height sensor defective
SC735: Finisher exit guide plate motor error
- Definition - [B']
The exit guide plate open sensor or exit guide plate HP sensor does not activate
within a certain time after the exit guide plate motor turned on.
- Possible causes -
• Exit guide plate motor defective
• Exit guide plate HP sensor defective
• Exit guide plate open sensor defective
SC 750: Interchange unit connection error
-Definition- [B']
The IOB cannot communicate with the interchange unit properly when the
duplex unit is installed.
- Possible causes -
• Poor connection between the IOB and interchange unit
• IOB defective
SC 751: Bridge unit connection error
-Definition- [B']
The IOB cannot communicate with the bridge unit properly when the finisher is
installed.
- Possible causes -
• Poor connection between the IOB and bridge unit
• IOB defective
SERVICE CALL CONDITIONS
7-13