Xerox Phaser 4510 - Page 201

Phaser 4500/4510 Service Manual 4-47
General Troubleshooting
5 Check feeder harness 2:
1.Remove feeder harness 2.
2.Test for continuity across J2083 <=> J83.
Is it continuous?
Go to step 6. Replace
feeder
harness 2.
6 Check feeder harness 1:
1.Remove feeder harness 1.
2.Test for continuity across J20 <=> J2083.
Is it continuous?
Go to step 7. Replace
feeder
harness 1.
7 Check the power to the feed clutch
assembly:
1.Measure the voltage across P20-10 <=>
P20-9 on the HVPS/engine logic board.
Is the voltage +24 VDC?
Replace the
feed clutch
assembly
(page 8-91).
Go to step 8.
8 Check the HVPS/engine logic board:
1.Disconnect P/J10 from the HVPS/engine
logic board.
2.Test for continuity across P10-1 <=>
P20-10.
Is it continuous?
Go to “LVPS
(Low Voltage
Power
Supply)” on
page 4-4.
Replace the
HVPS/engine
logic board
(page 8-73).
Troubleshooting Procedure (continued)
Steps Actions and Questions Yes No