6.1.2. Black Copies *
Possible Cause (Scanner)
•
The scanner lamp, lamp stabilizer, or SBU is not connected or defective.
Action:
1. Check if the scanner lamp is connected properly.
2. Check if the scanner lamp or lamp stabilizer is not defective. If one or
both of them is (are) found defective, replace it (them).
3. Check if the SBU is connected properly, or it is not defective.
Possible Cause (Printer)
•
The charge is not properly applied.
Action:
1. Check if all the charge bias terminals on the development unit and the
CTM, and the charge wire are properly connected or not.
•
If they are, go to step 2.
•
If not, fix the connections.
2. Check if the zener diode is not shorted.
•
If the zener diode is shorted, replace the zener diode.
•
If not, go to step 3.
3. Check the connections behind the power pack.
T
roubl
e-
shoot
ing
December 21st, 1995
TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING
6-3
