Cq 4 Blank Copy - Xerox 3050 Service Manual

CQ
4
Blank Copy Probable Cause
Initial Action
Perform the Image On Drum (Panic Stop)
Procedure (General Procedures). If there is an
image on the drum, the problem i s in the
image transfer area. If there is no image, the
problem is in the charge or development
areas.
No copy defect sample is needed.
Definition
There is no image on the copy.
1. The Corotrons are dirty or defective
.
Corrective Action
2. Magnetic roll is not rotating. 2.
3. There is no charge or transfer output from 3.
the HVPS.
4. An electrostatic voltage
is
out of 4.
specification.
Check that the high voltage leads are fully
plugged into the corotrons. Clean, repair,
or replace the corotron and perform the
Electrostatic Series (ADJ 9.2)
Check the Drum/Developer drive for
damage. Ensure that the Drive coupling
gear i s engaged. Go
to
Developer Drive
Motor RAP (4.1)
Go to the C Q 26 HVPS RAP.
Perform the Electrostatic Series (ADJ
9.2)
7/92
3050 3-29
CQ 4
Blank Copy