01/02
3-13
8825/8830 Printer
PQ 9, PQ 10
Print Quality
PQ 9 Deletions (bands) PQ 10 Deletions (in solid and halftone areas)
Table 1 Deletions (bands) Symptom / Check
Symptom/ check
Deletion bands or very low
image density perpendicular
to the print feed direction.
Probable Cause Corrective Action
1. Damp media 1A. Refer to BSD 7.1 and
BSD 7.3 to check for correct
operation of the Paper heat-
ers.
1B. Ensure that the Customer
is storing the media correctly.
2. Incorrect Corotron opera-
tion.
2A. Check / Clean or replace
the T/DT corotrons as
required ( PL 9.4).
2B. Perform GP 1 HVPS
Checkout Procedure.
4. Defective drum or no drum
drive.
4A. Check for correct opera-
tion of the drive system.
4B. Replace the drum ( REP
9.3).
5. Magnetic roll 5A. Ensure that the housing
is latched securely.
5B. Check the mag roll for
damage or binding.
6. Image Module Roller not
contacting drum
6. Check/clean/replace as
required ( PL 9.3).
7. Media Transport. 7. Ensure that the Media
Transport gap ( ADJ 8.4) is
set correctly.
Table 1 Deletions (in solid and halftone areas) Symptom / Check
Symptom/ check
Bands of deletion in the solid
or halftone areas in the print
feed direction.
Probable Cause Corrective Action
1. Damp media 1A. Refer to BSD 7.1 and
BSD 7.3 to check for correct
operation of the Paper heat-
ers.
1B. Ensure that the Customer
is storing the media correctly.
2. Exposure 2A. Clean the Image Bar.
Check / clean the Air Pressure
Tubes ( REP 9.18).
2B. 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).
3. Incorrect Corotron opera-
tion
3. Perform GP 1, HVPS
Checkout Procedure.
4. Magnetic roll 4. Check the mag roll for
damage or binding.
5. The surface of the heat roll
is damaged.
5. Determine and fix the
cause of the damage to the
heat roll. Replace the heat
roll ( REP 10.2).
6. Media Transport. 6. Ensure that the Media
Transport gap ( ADJ 8.4) is
set correctly.
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