Print-Quality Troubleshooting; Print-Quality Defect Definitions - Xerox Phaser 7100 Service Manual

Image Quality

Print-Quality Troubleshooting

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
IQ-1 Light Print (Weak
Gradation)
IQ-2 Blank Print
IQ-3 Black Print
IQ-4 Vertical Bands, Voids,
or Streaks (In Paper Feed
Direction)
IQ-5 Horizontal Bands,
Voids, or Streaks
IQ-6 Vertical Color Streaks
IQ-7 Horizontal Color
Streaks
IQ-8 Partial Image
IQ-9 Toner Contamination
IQ-10 Ghost Image
IQ-11 Background
Contamination
IQ-12 Skew
IQ-13 Damaged Paper
IQ-14 Poor Fusing
IQ-15 Color Registration
IQ-16 Fringe
IQ-17 Auger Mark
3-12 Phaser 7100 Service Manual
Description
The overall density of the image is light.
The entire image area is blank.
Part of the image or the entire image is black.
There are extremely light or completely white streaks in the paper
feed direction on the image.
There are extremely light or completely white streaks
perpendicular to the paper feed direction on the image.
There are vertical color streaks or lines in the paper feed direction.
There are horizontal color streaks or lines in the paper feed
direction.
There are extremely light or completely white parts on the image
at narrow areas of the paper.
The whole paper or part of the paper is contaminated by toner.
Parts of the previous page or current page appear as ghost images
on the paper after 95 mm.
There is toner contamination on all or most of the page.
The printed image is not parallel with both sides of the paper.
Paper comes out from the printer wrinkled, folded, or worn-out.
The toner image is not completely fused to the paper. The image
easily rubs off.
The four colors (Yellow, Black, Cyan, and Magenta) of the image
are not registered correctly into one image.
There is toner scattering around the image of multiple color
sections.
Uneven density. Downward right slanted stripe patterns appearing
in approximately 20 mm pitch.
Page
3-13
3-15
3-17
3-19
3-22
3-25
3-27
3-29
3-31
3-33
3-35
3-37
3-39
3-42
3-43
3-45
3-47
Xerox Internal Use Only