Gestetner A193 Service Manual page 502

SC CODE DESCRIPTIONS
SC393: TD sensor error 2 (A193/A224)
-Definition- [B]
TD sensor output voltage falls out of the adjustment range (2.0 ± 0.2 V) after
the TD sensor initial setting has been finished.
- Possible causes -
•
TD sensor abnormal
•
Poor connection of the PCU
SC401: Transfer roller leak error 1 (A193/A224)
SC402: Transfer roller leak error 2 (A193/A224)
-Definition- [B]
A transfer roller current leak signal is detected.
- Possible causes -
•
High voltage supply board defective
•
Poor connection of the PCU
•
Transfer roller damaged
SC411: Separation bias error (A193/A224)
-Definition- [B]
A separation bias leak signal is detected.
- Possible causes -
•
High voltage supply board defective
•
Poor connection of the PCU
•
Discharge brush defective
SC500: Main motor lock (A193/A224)
-Definition- [B]
A main motor lock signal is detected for more than 5 seconds or the lock
signal is not detected for more than 500 ms during rotation.
- Possible causes -
•
Too much load on the drive mechanism
•
Main motor defective
A224 13-68 SM