Xerox Phaser 4500 Service Manual

General Troubleshooting 4-45
Optional 550-Sheet Feeder No Paper Sensor
Troubleshooting Reference
Applicable Parts Wiring and Plug/Jack Map References
■ No Paper Sensor
■ No Paper Actuator
■ Clutch/Sensor Harness 1
■ Clutch/Sensor Harness 2
■ Optional 550-Sheet Paper
Feeder
■ 550-Sheet Feeder PWBA
■ 550-Sheet Paper Cassette
■ HVPS/Engine Logic Board
■ “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 the No Paper Actuator:
1. Remove the Optional 550-Sheet Feeder
(page 8-104).
2. Install a 550-Sheet Paper Cassette.
3. Manually operate the No Paper Actuator.
Does the No Paper Actuator operate
smoothly?
Does the flag move between the sensor
arms when paper is present, and out of
the sensor arms when there is no
paper?
Go to step 2. Replace the No
Paper Actuator.
2
Check the No Paper Sensor (1):
1. Install the Optional 550-Sheet Feeder
(page 8-104).
2. Remove the Print Cartridge.
3. Close the Top Cover.
4. Remove the 550-Sheet Paper Cassette.
5. Enter Service Diagnostics, and from the
Sensor Tests menu select the Tray 3/4
No Paper test.
6. Manually operate the No Paper Actuator.
Does the sensor correctly indicate the
position of the actuator?
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to step 3.

Xerox Phaser 4500 Specifications

General

Brand	Xerox
Model	Phaser 4500
Category	Printer
Language	English