Xerox Phaser 4500 Service Manual

General Troubleshooting 4-59
Stacker PWBA
6
Check the HVPS/Engine Logic Board:
1. Disconnect P/J27 from the HVPS/
Engine Logic Board.
2. Test P27-4 <=> P11-16 on the HVPS/
Engine Logic Board for continuity.
Is it continuous?
Go to “LVPS (Low
Voltage Power
Supply)” on
page 4-4.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Stacker PWBA
■ Stacker Assembly Harness 1
■ Stacker Assembly Harness 2
■ HVPS/Engine Logic Board
■ LVPS
■ “Stacker Signal Diagram” on page 10-32
■ “Stacker General Wiring Diagram” on page 10-31
■ “24 V Interlock, Rear Cover Switch, Main Motor, Sub
Fan, Exit Motor Assembly” on page 10-18
■ “Stacker Plug/Jack Locator” on page 10-14
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check Stacker Harness 2:
1. Remove the Stacker (page 8-132).
2. Disconnect P/J70 from the Stacker
PWBA.
3. Remove Stacker Assembly Harness 2.
4. Test J70 <=> J3070 for continuity.
Is the harness continuous?
Go to step 2. Replace Stacker
Harness 2.
2
Check Stacker Harness 1:
Remove Stacker Harness 1.
Is J30 <=> J3070 continuous normally?
Go to step 3. Replace Stacker
Harness 1.
3
Replace the Stacker PWBA (page 8-142).
Does the problem still occur after
replacement?
Problem solved. Replace the
HVPS/Engine
Logic Board
(page 8-89).
Troubleshooting Procedure (Continued)
Steps Actions and Questions Yes No

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English