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Xerox Phaser 4500 Service Manual

Xerox Phaser 4500
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General Troubleshooting 4-7
AC Power Supply Troubleshooting
No AC Power
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
Power Cord
LVPS
HVPS/Engine Logic Board
Front Panel
Front Panel Harness
24 V Interlock
5 V Interlock
Rear Cover Switch
Main Fan
Sub Fan
Laser Unit Assembly
Fuser Assembly
Gear Assembly Housing
Main Motor
Registration Clutch
Image Processor Board
550-Sheet Feeder PWBA
Duplex Unit PWBA
Feed Clutch Assembly
Turn Roller Clutch
“Print Engine General Wiring Diagram” on
page 10-17
“Fuser Assembly, Power Switch” on page 10-20
“24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
“Image Processor Board, DC-DC Converter, Front
Panel” on page 10-26
“150-Sheet Feeder, 550-Sheet Feeder, Main Fan”
on page 10-22
“Laser Unit, 5 V Interlock, Interlock Switch
Assembly” on page 10-24
“550-Sheet Feeder Signal Diagram” on page 10-28
“Duplex Unit Signal Diagram” on page 10-30
“Print Engine Plug/Jack Locator” on page 10-3
“Duplex Unit Plug/Jack Locator” on page 10-12
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check the Power Cord for continuity.
Is each conductor of the Power Cord
continuous?
Go to step 2. Replace the
Power Cord.
2
Check the AC power.
Does the voltage of the AC power
source meet requirements?
Go to step 3. Ask the customer
to repair the AC
power source.
3
1. Remove the LVPS Shield Plate
(page 8-75)
2. Check the fuse on the LVPS.
Is the fuse blown?
Replace the LVPS
(page 8-78).
Go to step 4.

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Xerox Phaser 4500 Specifications

General IconGeneral
BrandXerox
ModelPhaser 4500
CategoryPrinter
LanguageEnglish

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