Ricoh A230, Service Manual, Page: 357 / 1134

T
rouble
s
hooting
SERVICE CALL CONDITIONS
7-13
SM A230/A231/A232
SC504-1: 4th 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 -
•
4th tray upper limit sensor defective
•
Tray lift motor defective
•
Poor tray lift motor connection
SC504-2: 4th 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 -
•
4th tray upper limit sensor defective
•
Tray lift motor defective
•
Too much paper in the tray
SC506: Paper tray unit main motor lock (optional paper tray)
-Definition- [C]
A main motor lock signal is detected for more than 0.5 s during rotation.
- Possible causes -
•
Paper tray unit main motor defective
•
Too much load on the drive mechanism
•
Poor motor connector connection
SC507: LCT main motor lock (optional LCT)
-Definition- [C]
A main motor lock signal is detected for more than 0.5 s during rotation.
- Possible causes -
•
LCT main motor defective
•
Too much load on the drive mechanism
•
Poor motor connector connection