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Error Messages, Codes, and Procedures
3-161
Stacker Lower Tray Failure (Stack Height Sensors) Troubleshooting Procedure
Step
Actions and Questions
Yes
No
1
Check the Stacker Lower Tray vertical
transport and belts for obstacles and
deformation.
Are there obstacles or belt wear in the
vertical transport mechanism?
Remove
obstacles/replace
deformed part.
Go to Step 2.
2
Check the Actuator installation.
Does the Actuator enter the Upper Limit
sensor sensing area?
Go to Step 3.
Repair the
Actuator.
3
Test the Lower Tray No Paper Sensor.
Run the Service Diagnostics Lower Tray
No Paper Sensor test.
Does the sensor state change when the
sensor is blocked?
Go to Step 9.
Go to Step 4.
4
Check the Lower Tray No Paper Sensor
Harness connection.
Are P/J8326 and P/J8302B connected?
Go to Step 6.
Connect and go
to Step 5.
5
Print a Test Print.
Does the error still occur?
Go to Step 6.
Problem solved.
6
Check the Lower Tray No Paper Sensor
Harness continuity.
1. Disconnect P/J8326 on the Lower Tray
No Paper Sensor Harness, and P/
J8302B on the Finisher Main PWB.
2. Check for continuity at the following:
P/J8326-3 <=> P/J8302B-15
P/J8326-2 <=> P/J8302B-16
P/J8326-1 <=> P/J8302B-17
Are these conductive?
Go to Step 7.
Repair the Lower
Tray No Paper
Sensor Harness.
If problem
persists, go to
Step 7.
7
Check for +5 V to the Lower Tray No Paper
Sensor.
Is there +5 V across J8302B-17 <=>
J8302B-15 on the Finisher Main PWB?
Go to Step 8.
Replace the
Finisher Main
PWB
(page 3-248).
8
Check Stacker Lower Tray No Paper
Sensor.
Does the voltage across P8302B-16 <=>
P8302B-15 on the Finisher Main PWB
change when the sensor is blocked?
Replace the
Finisher Main
PWB
(page 3-248).
Replace the
Lower Tray No
Paper Sensor
(page 3-143).
9
Test the Elevator Motor.
Run the Service Diagnostics Stacker Motor
Up and Down tests alternately.
Does the Elevator Motor operate?
Replace the
Finisher Main
PWB
(page 3-248).
Go to Step 10.
10
Check the Elevator Motor connection.
Is P/J8305 connected to the Finisher
Main PWB?
Go to Step 12.
Connect and go
to Step 11.
Summary of Contents for Phaser 5500
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