Xerox Phaser 4500 Service Manual

Print-Quality Troubleshooting 5-29
3
1. Install a new Print Cartridge.
2. Print a test print.
Do the prints have horizontal
streaks?
Problem solved. Go to step 4.
4
Verify that the connectors on the
Laser Assembly are firmly
connected.
Verify that the Laser Assembly is
firmly connected to the frame.
Go to step 5. Reconnect the
connectors and/or re-
install the Laser
Assembly.
5
Replace Drive Assembly and Gear
Assembly Housing
Reprint the problem image.
Does the problem still occur?
Go to step 6. Problem solved.
6
Inspect the Transfer Roller Assembly
for contamination and wear.
Is the Transfer Roller free of
contamination and wear?
Go to step 7. Replace the Transfer
Roller Assembly
(page 8-55).
7
1. On the front panel, scroll to
Information, then press the OK
button.
2. Scroll to Information Pages, then
select the OK button.
3. Scroll to Print Test Prints, then
press the OK button.
4. Switch OFF the printer power
halfway through the print cycle.
5. Carefully remove the Print
Cartridge and inspect the toner
image on the drum just before the
transfer area (Transfer Roller).
Is the image on the Drum
developed with sharp, black,
easily read areas and no
horizontal streaks?
Go to step 8. Go to High-Voltage
Power Supply (HVPS)
Assembly (page 4-35).
8
Inspect the toner image on the paper
immediately after the transfer area
(Transfer Roller).
Is the toner image on the paper
clear without any horizontal
streaks?
Go to step 9. Replace the Transfer
Roller Assembly
(page 8-55).
Horizontal Streaks Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English