Xerox Phaser 4500 Service Manual

3-70 Phaser 4500 Service Manual
Inoperable Printer
Error Indication
Will not print under the customer’s normal operating conditions.
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ HVPS/Engine Logic Board
■ LVPS
■ Image Processor Board
■ “24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
■ “Print Engine General Wiring Diagram” on
page 10-17
■ “Print Engine Plug/Jack Locator” on page 10-3
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
1. Enter Service Diagnostics, and from the
Engine Test Print menu select Print
Test Pattern. Generate test prints from
all paper trays to all available output
trays. Generate Duplex prints if the
Duplex Unit is installed.
Are test prints successfully produced?
Go to step 4. Go to step 2.
2
1. Remove the LVPS Shield Plate
(page 8-75).
2. Measure the voltage across P/J11-13
<=> P/J11-14 on the HVPS/Engine
Logic Board.
Does the voltage measure +5 VDC?
Go to step 3. Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
3
Measure the voltage across P/J11-16 and
P/J11-15 on the HVPS/Engine Logic
Board.
Does the voltage measure 3.3 VDC?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
4
Replace the cable connecting the printer to
the network or to a computer.
Does the problem still occur?
Go to step 5. Problem solved.
5
Replace the Image Processor Board
(page 8-91).
Does the problem still occur?
Let the customer
know that the
cause may be in
the host computer.
Problem solved.

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English