5-12 Phaser 3250 Laser Printer Service Manual
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 corrective procedure is provided.
Defect Definition
Page
Light or Undertone
Print
The overall image density is too light. page 5-14
Black Print The entire image area is black. page 5-16
Uneven Density Print Density is uneven between the left and
right sides.
page 5-18
Background
Contamination
Light or gray dusting contamination appears on
all or most of the page.
page 5-19
Ghosting (1) There is ghosting at 75.5 mm intervals from the
OPC Drum.
page 5-21
Ghosting (2) There is ghosting at 75.5 mm intervals on the
whole print.
page 5-23
Ghosting (3) There is ghosting at 62.8 mm and 77.6 mm
intervals.
page 5-24
Vertical White Line There are faded or completely non-printed lines
along the page of the paper travel from the
leading edge to the trailing edge.
page 5-25
Vertical Black Line
and Band
There are faded or black lines along the page in
the direction of the paper travel from the leading
edge to the trailing edge.
page 5-27
Horizontal Black
Line and Band
There are black lines running parallel with the
leading edge of the print.
page 5-28
Black/White Spot The toner image is not completely fused to the
paper. The image easily rubs off.
page 5-29
Stains on the Front
of the Page
The background of the front of the page is
stained.
page 5-31
Stains on the Back
of the Page
The background of the back of the page is
stained.
page 5-32
Blank Page (1) The entire image area is blank. page 5-33
Blank Page (2) The entire image area is blank. One or several
blank pages are printed.
page 5-34
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