Ricoh A230 Service Manual page 356

SERVICE CALL CONDITIONS
SC502-2: 2nd tray lift malfunction 2
-Definition- [C]
If the main power switch is turned on when the paper is already at the feed
height, the paper height position is detected again. At this time, the paper upper
limit sensor should de-activate within 5 seconds after the paper bottom plate
starts to drop. If it does not deactivate within 5 s four times consecutively, this
SC will be generated.
- Possible causes -
• 2nd tray upper limit sensor defective
• Tray lift motor defective
• Too much paper in the tray
SC503-1: 3rd tray lift malfunction 1 (optional paper tray unit)
-Definition- [C]
The paper upper limit sensor is not activated after the tray lift motor has been on
for 13 seconds.
- Possible causes -
• 3rd tray upper limit sensor defective
• Tray lift motor defective
• Poor tray lift motor connection
SC503-2: 3rd tray lift malfunction 2 (optional paper tray unit)
-Definition- [C]
If the main power switch is turned on when the paper is already at the feed
height, the paper height position is detected again. At this time, the paper upper
limit sensor should de-activate within 5 seconds after the paper bottom plate
starts to drop. If it does not deactivate within 5 s four times consecutively, this
SC will be generated.
- Possible causes -
• 3rd tray upper limit sensor defective
• Tray lift motor defective
• Too much paper in the tray
A230/A231/A232
7-12
SM