Xerox Phaser 4500, Service Manual

Page: 246 / 537

Print-Quality Troubleshooting 5-23
Horizontal Deletions
A deletion is an area of the print where the image is missing or extremely light.
Horizontal deletions extend across the page.
Initial Actions
■
Check that the paper supply is dry and fresh.
■
Inspect the printer paper path for foreign items,
such as staples, paper clips, and paper scraps.
■
Check the installation of the Print Cartridge.
■
Check that the Print Cartridge ground contacts
(on the right side of the Print Cartridge and in
the Print Cartridge Right Side Guide in the
printer) are clean.
■
Check that rollers and other components in the
paper path are clean and unobstructed.
Horizontal Deletions Troubleshooting Procedure
Step Actions and Questions Yes No
1 1. Enter Service Diagnostics , then
select Engine Test Print .
2. Scroll to Print Quantity , then
press the OK button.
3. Press the OK button to move the
cursor over the last digit, then
press the Up Arrow button until
the last digit is 5. Press the Back
button
to return to the Engine Test
Print menu.
4. Scroll to Print Test Pattern , then
press the OK button.
Do the prints have horizontal
deletions?
Go to step 3. Go to step 2.
2 1. Exit Service Diagnostics.
2. When the printer has restarted,
select Information , then press
the OK button.
3. Scroll to Information Pages , then
press the OK button.
4. Scroll to Configuration Page ,
then press the OK button.
Do the prints have horizontal
deletions?
Verify the Harness
Connections on the
Image Processor
Board. If the
problems persist,
replace the Image
Processor Board
(page 8-91). The problem appears
to be with the host
computer or the
cables. If the problems
persist, replace the
Image Processor
Board (page 8-91).
s4500-041