Cq 3 Black Copy - Xerox 3050 Service Manual

CQ 3 Black Copy
No copy defect sample is needed.
Definition
The entire copy is excessively dark.
Probable Cause Corrective Action
1. Exposure lamp does not light.
(1. Go
to the LL.26 Loss of illumination RAP.
2.
Exposure lamp i s installed backwards.
2.
Refer
to REP 6.1
3. Photoreceptor is not properly grounded. 3. Go t o REP 9.1 and 9.2 t o remove the drum
assembly and check the contact of the
Ground Clip to the left side of the drum
assembly.
8/94
CQ
3 Black Copy
3-28
3050