Cq 4 Blank Copy - Xerox 2510 Service Manual

CQ 4 Blank Copy Probable Cause
Corrective Action
Initial Action
Perform the Image On Drum (Panic Stop)
Procedure (General Procedures). If there is an
image on the drum, the problem i s i n the
image transfer area. If there
is
no image, the
problem i s in the development area.
1. Dirty or defective corotrons,
No copy defect sample is needed.
Definition
The entire copy has no image on it.
Magnetic roll is not turning.
No output from the HVPS.
An electrostatic voltage
i s
out of
specification.
TRANSFER COROTRON ON signal does not
go low during transfer.
Check that the high voltage leads are fully
plugged into the corotrons.
Clean,
repair,
or replace the corotron and perform the
Electrostatic Series (2510ADJ 9.2; 251 5
ADJ 9.3)
Check the developer drive for damage.
Ensure that the idler gear (PL
1.1)
is in the
correct position.
Go to the CQ 26 HVPS RAP.
Perform the Electrostatic Series
(25
10 ADJ
9.2; 251 5 ADJ 9.3.)
If the signal goes low, check the transfer
corotron and the high voltage power
supply-
If
the signal does not go low, replace the
control PWB.
(Continued)
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CQ 4 Blank Copy
3-32
251 Ol2515