Gestetner A193 Service Manual page 264

SC123: Scanner home position error 4
-Definition- [B]
The scanner home position sensor does not detect the on condition after
the scanner returns to the home position.
- Possible causes -
•
Scanner home position sensor defective
•
Scanner drive motor defective
•
IOCSS board defective
•
Scanner home position senor harness defective
SC192: Automatic SBU adjustment error
-Definition- [B]
An error is detected during automatic SBU adjustment.
- Possible cause -
•
SBU defective
•
BiCU board defective
•
Lamp regulator defective
•
Exposure lamp deective
•
Dirty white plate
SC302: Charge roller current leak
-Definition- [B]
A charge roller current leak signal is detected.
- Possible causes -
•
Charge roller damaged
•
Charge high voltage supply board defective
•
Poor connection of the PCU
SM
SC CODE DESCRIPTIONS
6-3 (A193)