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3-164
Phaser 5500 Printer Service Manual
12
Check Lower Tray Upper Limit Sensor
Sensor Harness continuity.
1. Disconnect P/J8327 on the harness, and
P/J8302B on the Finisher Main PWB.
2. Check for continuity at the following:
P/J8327-3 <=> P/J8302B-18
P/J8327-2 <=> P/J8302B-19
P/J8327-1 <=> P/J8302B-20
Are these conductive?
Go to Step 13.
Repair the Lower
Tray Upper Limit
Sensor Harness.
13
Check for +5 Vto the Lower Tray Upper
Limit Sensor.
Is there +5 V across J8302B-20 <=>
J8302B-18 on the Finisher Main PWB?
Go to Step 14.
Replace the
Finisher Main
PWB
(page 3-248).
14
Check Lower Tray Upper Limit Sensor
signal.
Does the voltage across P8302B-19 <=>
P8302B-18 on the Finisher Main PWB
change when the sensor is blocked?
Replace the
Finisher Main
PWB
(page 3-248).
Replace the
Lower Tray Upper
Limit Sensor
(page 3-143).
15
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 16.
16
Check the Elevator Motor connection.
Is P/J8305 connected to the Finisher
Main PWB?
Go to Step 18.
Connect and go
to Step 17.
17
Print a Test Print.
Does the error still occur?
Go to Step 18.
Problem solved.
18
Replace the Elevator Motor.
Print a Test Print.
Does the error still occur?
Go to Step 19.
Problem solved.
19
Replace the Finisher Main PWB.
Does the error still occur?
Replace the
Engine Logic
Board
(page 8-89).
Problem solved.
Stacker Lower Tray Failure (Upper Limit Sensor) Troubleshooting Procedure
Step
Actions and Questions
Yes
No
Summary of Contents for Phaser 5500
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