Xerox Phaser 4510 - Stacker PWBA

4-54 Phaser 4500/4510 Service Manual
General Troubleshooting
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 8-73).
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 10-37
■ “Stacker General Wiring Diagram” on
page 10-36
■ “P4500: 24 V Interlock, Rear Cover Switch,
Main Motor, Sub Fan, Exit Motor Assembly” on
page 10-21
■ “Stacker Plug/Jack Locator” on page 10-16
Troubleshooting Procedure
Steps Actions and Questions Yes No
1 Check stacker harness 2:
1.Remove the stacker (page 8-111).
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 8-119).
Does the problem still occur after
replacement?
Problem
solved.
Replace the
HVPS/engine
logic board
(page 8-73).
Troubleshooting Procedure (continued)
Steps Actions and Questions Yes No