Xerox 8830 Service Manual

Print Quality Initialization Procedure
Prior to any print quality troubleshooting, validate
the problem is in the IOT by entering [9-55].
Select test pattern 5. Examine the test print for
defects. If defects appear, complete the
following checklist. If the defects are still present
after completing the checklist, refer to the Image
Quality Defects and Classification information on
the following pages to classify and repair the
problem.
Drum life (Refer to Section 1)
Ensure that the Charge Scorotron is not
damaged or contaminated.
Ensure that the Image Module Roller fully
contacts the drum and does not exhibit
abnormal wear or contamination.
Refer to ADJ 9.2, Electrostatic Series and
check that the following voltages are within
specification:
• Charge Scorotron (V High)
• Image Module LED Duty Cycle (V Low)
Check that the Toner Concentration (TC) is
calibrated correctly [9-21-4]
If the print quality defect is still present, go to
the Print Defects in this section.
1/98
Print Quality Initialization Procedure 3-2 8830

Xerox 8830 Specifications

General

Brand	Xerox
Model	8830
Category	Printer
Language	English