Phaser 6128MFP Service Manual 5-7
Print-Quality Troubleshooting
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 Description
Procedure
Light or Undertone
Print
The overall image density is too light in all
colors.
page 5-8
Blank Print The entire image area is blank. page 5-10
Black Print The entire image area is black. page 5-14
Vertical Blank Lines There are faded or completely non-printed
lines along the page.
page 5-16
Horizontal Band,
Voids, or Streaks
There are areas of the image that are
extremely light or are missing entirely.
page 5-18
Vertical Stripes There are black lines along the page in the
direction of the paper travel.
page 5-20
Horizontal Stripes There are dark lines running parallel with the
leading edge of the print.
page 5-22
Partial Band Areas of the image are extremely light or
missing.
page 5-24
Random Spots Spots of toner are randomly scattered. page 5-26
Repeating Bands,
Lines, Marks, or
Spots
Recurring lines, marks, or spots on the page. page 5-28
Background
Contamination
There is toner contamination on all or most of
the page.
page 5-31
Skew The image is not parallel with both sides of
the paper.
page 5-33
Damaged Media The paper is wrinkled, folded, or worn-out. page 5-35
Unfused Image The toner is not completely fused. page 5-38
Color Registration A printed yellow or black image is not
overlapped on a cyan or magenta image
correctly.
page 5-39
Wavy Lines The image has wavy lines. page 5-41
Incorrect
Magnification
Incorrect magnification when copying with
the ADF feeding.
page 5-42
Lines or Streaks
(from ADF)
There are lines or streaks on copies from the
ADF.
page 5-43
Spots from ADF There are spots on copies from the ADF. page 5-44
To Next Page
Loading...
