Print-Quality Problems
Phaser™ 4500 Laser Printer
4-26
Horizontal Line Deletions
There are localized print
deletions appearing as bands
running across the paper.
1.
The paper may be defective
with creases, folds, etc.
2.
The print cartridge may be
defective or at the end of its
life.
3.
The transfer roller may be
defective.
1.
Replace the paper.
2.
Replace the print cartridge.
3.
Replace the transfer roller (in the
maintenance kit).
Vertical Dark Streaks
There are black lines running
across the print.
1.
The print cartridge may be
defective or at the end of its
life.
2.
The paper path may be
contaminated with toner.
3.
The fuser may be defective.
1.
Replace the print cartridge.
2.
Print several blank sheets of
paper to remove the toner
accumulations.
3.
Replace the fuser (in the
maintenance kit).
Repetitive Horizontal Dark
Streaks
There are black lines running
across the page. For more
information, see "Repeating
Defects" on page 4-29.
1.
The paper path may be
contaminated with toner.
2.
The print cartridge may be
defective or at the end of its
life.
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).
Diagnosing Print-Quality Problems
(Continued)
Problem
Causes
Solutions
