Horizontal Streaks - Xerox Phaser 4500 Service Manual

Horizontal Streaks

There are black lines running horizontally across the page in the scan direction (at a
right angle to the direction of paper travel).
Initial Actions
Check that the paper supply is dry and fresh.
Inspect the printer paper path for items, such as
staples, paper clips, and paper scraps.
Check installation of the Print Cartridge.
Check that the Print Cartridge contacts (on the
right side of the Print Cartridge and in the Print
Cartridge Right Side Guide in the printer) are
clean.
Horizontal Streaks Troubleshooting Procedure
Step Actions and Questions
1 1. Enter Service Diagnostics and
select
2. Scroll to
press the OK button.
3. Press the OK button to move the
cursor over the last digit, then
press the Up Arrow key until the
last digit is "5". Press the Back
button to return to the Engine Test
Print menu.
4. Scroll to the
and press the OK button.
2 1. Exit Service Diagnostics.
2. When the printer is Ready, scroll
to Information, then press the OK
button.
3. Scroll to
press the OK button.
4. Scroll to
then press the OK button.
Do the prints have horizontal
streaks?
5-28
Engine Test Print.
Print Quantity, then
Print Test Pattern
Information Pages, then
Configuration Page,
Yes
Go to step 3.
Verify Harness
Connectors on I/P
PWABA. If the
problems persist,
replace the Image
Processor Board
(page 8-91).
Phaser 4500 Service Manual
s4500-043
No
Go to step 2.
The problem appears
to be with the host
computer or the
cables. If the problems
persist, replace the
Image Processor
Board (page 8-91).