Fuji Xerox Phaser 5500 Service Manual page 242

Stacker Lower Tray Failure (Upper Limit Sensor) Troubleshooting Procedure
Step Actions and Questions
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?
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?
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?
15 Test the Elevator Motor.
Run the Service Diagnostics Stacker Motor
Up and Down tests alternately.
Does the Elevator Motor operate?
16 Check the Elevator Motor connection.
Is P/J8305 connected to the Finisher
Main PWB?
17 Print a Test Print.
Does the error still occur?
18 Replace the Elevator Motor.
Print a Test Print.
Does the error still occur?
19 Replace the Finisher Main PWB.
Does the error still occur?
3-164
Yes
Go to Step 13.
Go to Step 14.
Replace the
Finisher Main
PWB
(page 3-248).
Replace the
Finisher Main
PWB
(page 3-248).
Go to Step 18.
Go to Step 18.
Go to Step 19.
Replace the
Engine Logic
Board
(page 8-89).
Phaser 5500 Printer Service Manual
No
Repair the Lower
Tray Upper Limit
Sensor Harness.
Replace the
Finisher Main
PWB
(page 3-248).
Replace the
Lower Tray Upper
Limit Sensor
(page 3-143).
Go to Step 16.
Connect and go
to Step 17.
Problem solved.
Problem solved.
Problem solved.