Stacker Pwba - Xerox Phaser 4500 Service Manual

Troubleshooting Procedure (Continued)
Steps Actions and Questions
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?

Stacker PWBA

Troubleshooting Reference
Applicable Parts
Stacker PWBA
Stacker Assembly Harness 1
Stacker Assembly Harness 2
HVPS/Engine Logic Board
LVPS
Troubleshooting Procedure
Steps Actions and Questions
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?
2
Check Stacker Harness 1:
Remove Stacker Harness 1.
Is J30 <=> J3070 continuous normally?
3 Replace the Stacker PWBA (page 8-142).
Does the problem still occur after
replacement?
General Troubleshooting
Yes
Go to "LVPS (Low
Voltage Power
Wiring and Plug/Jack Map References
"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
Yes
Go to step 2.
Go to step 3.
Problem solved.
No
Supply)" on
page 4-4.
No
Replace Stacker
Replace Stacker
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Harness 2.
Harness 1.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
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