Go To - Xerox Phaser 4500 Service Manual

Troubleshooting Procedure (Continued)
Steps Actions and Questions
15 Check the Print Cartridge Right Guide
Assembly
Is the Print Cartridge Right Guide
Assembly damaged or stained?
16 Remove the Print Cartridge Right Guide
Assembly (page 8-58).
Check the Print Cartridge Right Guide
Assembly for continuity
Is each harness continuous?
17 1. Replace the Print Cartridge.
2. Enter Service Diagnostics, and from the
Engine Test Print
Test Pattern.
Does the same problem occur?
18 1. Replace the HVPS/Engine Logic Board
(page 8-89).
2. Enter Service Diagnostics, and from the
Engine Test Print
Test Pattern.
Does the same problem occur?
19 Manually operate the Metal Registration
Roller and Rubber Registration Roller.
Do the rollers rotate smoothly?
20 Enter Service Diagnostics, and from the
Clutch Tests
Registration Clutch
Does the Registration Clutch function
appropriately?
21 1. Remove the Print Cartridge.
2. Cheat the Top Cover interlocks (two on
the right and one on the left).
3. Enter Service Diagnostics, and from the
Motors/Fan Tests
Main Motor
Does each gear rotate normally?
22 1. Remove the Gear Assembly Housing
(page 8-71) to check gear operation.
2. Manually rotate the gears.
Does each gear rotate smoothly?
3-40
menu select
menu select
menu select the
test.
menu select the
test.
Yes
Clean or replace
the Print Cartridge
Right Guide
Assembly
(page 8-58).
Go to step 17.
Go to step 18.
Print
Go to step 19.
Print
Go to step 20.
Go to step 21.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Contact Xerox for
technical support.
See "Technical
Support
Information" on
page 1-2
Phaser 4500 Service Manual
No
Go to step 16.
Replace the Print
Cartridge Right
Guide Assembly
(page 8-58).
Problem solved.
Problem solved.
Replace the
150-Sheet
Feeder Assembly
(page 8-18).

Go to

"Registration
Clutch" on
page 4-32.
Go to step 22.
Replace the Gear
Assembly
Housing
(page 8-71).