Xerox Phaser 4500 Service Manual page 120

Error Messages and Codes
3-42
Troubleshooting Procedure (continued)
Steps Actions and Questions
Check the print cartridge right guide
15
assembly.
Is the print cartridge right guide
assembly damaged or stained?
Remove the print cartridge right guide
16
assembly (page 8-47).
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
select Print Test
Does the same problem occur?
1. Replace the HVPS/engine logic
18
board (page 8-73).
2. Enter Service Diagnostics, and from
the
Engine Test Print
select
Print Test
Does the same problem occur?
Manually operate the metal
19
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?
1. Remove the print cartridge.
21
2. Cheat the top cover interlocks
(P4500: two on the right and one on
the left; P4510: one on the left).
3. Enter Service Diagnostics, and from
the
Motors/Fan Tests
select the
main motor
Does each gear rotate normally?
1. Remove the gear assembly housing
22
(page 8-56) to check gear operation.
2. Manually rotate the gears.
Does each gear rotate smoothly?
Clean or replace
the print
cartridge right
guide assembly
(page 8-47).
Go to step 17.
Go to step 18.
menu
Pattern.
Go to step 19.
menu
Pattern.
Go to step 20.
Go to step 21.
menu select the
test.
Replace the
HVPS/engine
logic board
(page 8-73).
menu
test.
Contact Xerox
for technical
support. See
"Technical
Support
Information" on
page 1-2
Phaser 4500/4510 Service Manual
Yes No
Go to step 16.
Replace the
print cartridge
right guide
assembly
(page 8-47).
Problem solved.
Problem solved.
Replace the
150-Sheet
Feeder
Assembly
(page 8-15).
Go to
"Registration
Clutch" on
page 4-29.
Go to step 22.
Replace the
gear assembly
housing
(page 8-56).