Black Prints - Xerox Phaser 4500 Service Manual

Black Prints

Black Prints Troubleshooting Procedures
Step Actions and Questions
1. Install a new print cartridge.
1
2. Print a test print.
Is the print normal?
2 Shield half of the window of the Laser
Assembly. Print a test print.
Is the print half white and half black?
Phaser 4500/4510 Service Manual
A totally black output print. There is toner on the paper with no visible image.
Initial Actions
Inspect the printer paper path for foreign
items, such as staples, paper clips, and
paper scraps.
Check 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.
Ensure the machine covers are in place
and fit well so no outside light can enter
the machine.
Yes No
Problem Go to step 2.
solved.
Go to Laser Go to HVPS/
Assembly on Engine Logic
"Laser Unit Board on
Assembly" on "HVPS/Engine
page 8-38. Logic Board"
on page 4-32.
Print-Quality Troubleshooting
s4510-039
5-19