Optional 550-Sheet Feeder Low Paper Sensor - Xerox Phaser 4500 Service Manual

Optional 550-Sheet Feeder Low Paper Sensor

Troubleshooting Reference
Applicable Parts
Low Paper Sensor
Low Paper Actuator
Low Paper Sensor Harness
Feeder Harness 2
Optional 550-Sheet Paper
Feeder
550-Sheet Paper Cassette
550-Sheet Feeder PWBA
Bottom Plate Assembly
HVPS/Engine Logic Board
Troubleshooting Procedure
Steps Actions and Questions
1 Check the Low Paper Actuator:
1. Remove the Optional 550-Sheet Feeder
(page 8-104).
2. Install a 550-Sheet Paper Cassette.
3. Move the Bottom Plate Assembly up and
down.
Does the Low Paper Actuator operate
smoothly?
Does the flag move between the sensor
arms when the Bottom Plate Assembly
is up (the Low Paper Actuator is pushed
up), and out of the sensor arms when
the Bottom Plate Assembly is pressed
down?
2 Check the Low Paper Sensor (1):
1. Install Optional 550-Sheet Feeder
(page 8-104).
2. Remove 550-Sheet Paper Cassette.
3. Enter Service Diagnostics, and from the
Sensor Tests
Low Paper
4. Manually operate the Low Paper
Actuator.
Does the sensor correctly indicate the
position of the actuator?
General Troubleshooting
Wiring and Plug/Jack Map References
"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
menu select the Tray 3/4
test.
Yes
Go to step 2.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
No
Replace the Low
Paper Actuator.
Go to step 3.
4-47