Output Tray Stack Full Sensor - Xerox Phaser 4500 Service Manual

Output Tray Stack Full Sensor

Troubleshooting Reference
Applicable Parts
Stack Full Sensor
Stack Full Actuator
Exit Sensor Assembly Harness
HVPS/Engine Logic Board
Troubleshooting Procedure
Steps Actions and Questions
1 Check the Stack Full Actuator:
1. Open the Paper Exit Assembly Cover.
2. Manually operate the Stack Full
Actuator.
Does the Stack Full Actuator operate
smoothly?
Does the flag move between the sensor
arms when there is no paper, and out of
the sensor arms when paper is present?
2 Check the Stack Full Sensor (1):
1. Enter Service Diagnostics, and from the
Sensor Tests
Full Sensor.
2. Manually raise and lower the Stack Full
Sensor Actuator.
Does the sensor correctly report the
position of the sensor actuator?
3 Check the Exit Sensor Assembly Harness:
1. Remove the Paper Exit Assembly
(page 8-61)
2. Remove Exit Sensor Assembly Harness.
3. Check the following for continuity:
J29-1 <=> J290-3
J29-2 <=> J290-2
J29-3 <=> J290-1
Are all continuous?
4 Replace the Stack Full Sensor (page 8-65).
Is the problem cleared?
General Troubleshooting
Wiring and Plug/Jack Map References
"Paper Exit" on page 10-25
"Fuser Assembly, Power Switch" on page 10-20
"Print Engine General Wiring Diagram" on
page 10-17
"Print Engine Plug/Jack Locator" on page 10-3
menu select Output Tray
Yes
Go to step 2.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
Go to step 4.
Problem solved.
No
Replace the
Stack Full
Actuator
("Stack Full
Sensor" on
page 8-65).
Go to step 3.
Replace the Exit
Sensor Harness.
Replace the
HVPS/Engine
Logic Board
(page 8-89).
4-25