Xerox 8825 Service Manual

01/02
3-11
8825/8830 Printer
PQ 5, PQ 6
Print Quality
PQ 5 Black Prints PQ 6 Blank Prints / Partial Image
Table 1 Black Prints Symptom / Check
Symptom/ check
The print is totally black with
no image.
Probable Cause Corrective Action
1. Defective Charge
Scorotron
1. Clean or replace the
screen/pins ( REP 9.8).
2. Charge control circuit/
defective Harness
2. Perform GP 1 HVPS
Checkout Procedure.
Table 1 Blank Prints / Partial Image Symptom / Check
Symptom/ check
No image or a partial image is
produced when making a
print.
Probable Cause Corrective Action
1. Developer Housing 1A. Ensure that the Devel-
oper Housing Module drive
gears are engaged and the
developer housing is turning.
1B. Ensure that the gear lock
is released from the Devel-
oper Housing Drive Gear.
2. Transfer Corotron 2A. Check the Transfer
Corotron for damage / con-
tamination.
2B. Perform GP 1, HVPS
Checkout Procedure.
3. Defective HVPS 3. Perform GP 1, HVPS
Checkout procedure.
4. Image Module LEDs inop-
erative
4A. Enter [9-21-5 and check
for correct operation. (Refer
to BSD 6.1, BSD 6.2 and
check for correct electrical
connections to/from the
Receiver PWB and the LED
Image Bar.)
4B. Ensure that all connectors
are seated and voltages are
correct to the LED, 5VDC,
RS422, Signal Harness,
Receiver PWB.
5. No drum drive / defective
drum.
5. Refer to BSD 4.3 and
check for correct drum drive.
Replace the drum ( REP 9.3).
6. PJ 330 (Tag 28) or 307A
(without Tag 28) is not cor-
rectly seated.
6. Reseat the connector.

Xerox 8825 Specifications

General

Brand	Xerox
Model	8825
Category	Printer
Language	English