Image Quality
Phaser 3320 and WorkCentre 3315/3325
Xerox Internal Use Only
Service Manual
3-4
Print-Quality Defect Definitions
The following table lists the print-quality defect corrective procedure, their definition, and the page
where each procedure is provided.
Defect
Description
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Vertical Black Line or
Band
Straight thin black vertical line occurs in the printed image.
Vertical White Lines
White vertical voids appear in the printed image.
Horizontal Black Band
Dark or blurry horizontal stripes occur in printed images periodically
or not.
Black or White Spots
Dark or blurry spots occur periodically in the printed image.
White spots occur periodically in the printed image.
Light or Undertone Print
The image density is too light, with no ghosting.
Black Print or Dark
Image
The entire image area is dark.
Uneven Density
Print Density is uneven between left and right sides of printed
image.
Background
Contamination
There is toner contamination on all or most of the page.
Ghosting
Ghosting occurs at 94.4 mm intervals of the OPC drum on the
entire page.
Stains on Printed Page
The background on the face of the printed page is stained.
Stains on Back of Page
The back of the page is stained at 47 mm intervals.
Blank Print
The entire image area is blank.
Toner Smears
Toner smears appear on the page.
Unfused Image
The toner is not completely fused.
ADF Lines or Streaks
Vertical lines or streaks appear on copies.
Spots from ADF
Spots appear on copies.
