Print Quality Troubleshooting; Background; Black Horizontal Lines - Lexmark Optra C Service Manual

Print Quality Troubleshooting

Background

Symptom:
A slight tint to the entire page starting approximately
8 mm from the top edge of the page. It may appear to be gray, but
could be any combination of primary colors.
Cause:
Cool, dry environments or used cartridges nearing end of life.
Resolution:
Increase environmental temperature and humidity. Replacing all four
toner cartridges reduces background, if they are nearing end of life.
Call your country support function for assistance prior to replacing
parts.

Black Horizontal Lines

Symptom:
Horizontal lines of any length and width across the page repeating at
129 mm intervals.
Cause:
Improper removal or installation of the photoconductor. The drum
release arm must be lowered prior to removal or installation of the
photoconductor.
Resolution:
Replace the photoconductor.
Diagnostic Information 2-55