Xerox Phaser 4500 Service Manual

4-52 Phaser 4500 Service Manual
Optional 550-Sheet Feeder Turn Roller Clutch
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ Optional 550-Sheet Paper
Feeder Turn Roller Clutch
■ Optional 550-Sheet Paper
Feeder
■ 550-Sheet Paper Cassette
■ 550-Sheet Feeder PWBA
■ Clutch/Sensor Harness 1
■ Clutch/Sensor Harness 2
■ Feeder Harness 2
■ HVPS/Engine Logic Board
■ LVPS
■ Feeder Harness 1
■ “550-Sheet Feeder Signal Diagram” on page 10-28
■ “550-Sheet Feeder General Wiring Diagram” on
page 10-27
■ “550-Sheet Feeder Plug/Jack Locator” on
page 10-10
Troubleshooting Procedure
Steps Actions and Questions Yes No
1
Check Clutch/Sensor Harness 1 for
continuity
1. Disconnect P/J855.
2. Disconnect P/J854.
Is each cable between J855 <=> J854
continuous?
Go to step 2. Replace the
Clutch/Sensor
Harness 1.
2
Check Clutch/Sensor Harness 2 for
continuity
1. Disconnect P/J85 from the 550-Sheet
Feeder PWBA.
2. Disconnect P/J855.
Is each cable between J85 <=> J855
continuous?
Go to step 3. Replace the
Clutch/Sensor
Harness 2.
3
Check the resistance of the Turn Roller
Clutch:
Measure the resistance of the clutch
between P/J854-1 <=> P/J854-2.
Does the resistance measure 172 ohm
+/-10% (at 20° C)?
Go to step 4. Replace the Turn
Roller Clutch
(page 8-112).

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English