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
is
in the
image transfer area. If there
is
no image, the
problem
is
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
is
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)
7/92
CQ
4
Blank
Copy
3-32
251
Ol2515
To Next Page
Loading...
Need help?
General