Xerox Phaser 4510 - AC Power Supply Troubleshooting; No AC Power

Phaser 4500/4510 Service Manual 4-7
General Troubleshooting
AC Power Supply Troubleshooting
No AC Power
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Power cord
■ LVPS
■ HVPS/Engine logic board
■ Control panel
■ Control 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 Wiring Diagrams” on page 10-19
■ “Fuser Assembly, Power Switch” on page 10-25
■ “P4500: 24 V Interlock, Rear Cover Switch,
Main Motor, Sub Fan, Exit Motor Assembly” on
page 10-21
■ “Image Processor Board, DC-DC Converter
(P4500), Control Panel” on page 10-31
■ “150-Sheet Feeder, 550-Sheet Feeder, Main
Fan” on page 10-27
■ “Laser Unit, 5 V Interlock, Interlock Switch
Assembly” on page 10-29
■ “550-Sheet Feeder Signal Diagram” on
page 10-33
■ “Duplex Unit Signal Diagram” on page 10-35
■ “Print Engine Plug/Jack Locator” on page 10-3
■ “Duplex Unit Plug/Jack Locator” on page 10-14
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 8-60)
2.Check the fuse on the LVPS.
Is the fuse blown?
Replace the
LVPS
(page 8-62).
Go to step 4.