Print-Quality Problems
Phaser™ 4500 Laser Printer
4-27
Dark Spots or Marks
There are dark spots or
marks on the page in a
random pattern.
1.
The paper path may be
contaminated with toner.
2.
The print cartridge may be
defective.
3.
The fuser may be defective.
4.
The transfer roller may be
defective.
1.
Print several blank sheets of
paper to remove the toner
accumulations.
2.
Replace the print cartridge.
3.
Replace the fuser (in the
maintenance kit).
4.
Replace the transfer roller (in the
maintenance kit).
Unfused or Partially Fused
Image
The printed image is not fully
fused to the paper and easily
rubs off.
1.
The paper may be damp.
2.
Heavy or unusual paper may
be in the tray.
3.
The printer may be located
in an environment with
extreme temperature or
humidity.
4.
The fuser may be defective.
1.
Replace the paper.
2.
Replace that paper with
approved paper. Make sure that
the fuser temperature is set
correctly for the paper type.
3.
Make sure that the printer is
located in an environment with
the temperature between 5° and
35° C (41° and 95° F) and the
relative humidity between 15%
and 85%. Move the printer to a
suitable area, away from air
conditioning vents, open loading
docks, etc.
4.
Replace the fuser (in the
maintenance kit).
Wrinkled Prints
The prints are wrinkled,
creased, or torn.
1.
The paper is not loaded
correctly in the appropriate
tray.
2.
The paper may be in poor
condition.
3.
The paper may be damp.
4.
The fuser may be at the end
of its life.
1.
Verify that the paper is correctly
loaded in the appropriate tray.
2.
Replace the paper.
3.
Replace the paper.
4.
Replace the fuser (contained in
the maintenance kit).
Diagnosing Print-Quality Problems
(Continued)
Problem
Causes
Solutions