3-222 Phaser 5500 Printer Service Manual
Stacker Upper Tray Full - Finisher Tray Paper Full
The Full Stack Sensor on the Stacker Upper Tray indicates a Stack Full condition.
Upper Tray Full (Upper Tray Full Sensor) Troubleshooting Reference
Applicable Parts References
■ Finisher Main PWB
■ Top Sensor
Harness
■ Main Sensor
Harness
■ Full Stack Sensor
■ Phaser 5500 Printer Options Service Manual
■ Finisher Main PWB P/J Locator (page 5-35)
■ Finisher Sensors (1/2) Wiring (page 5-40)
■ PL25.13 Finisher Transport (2/2) (page 4-68)
■ PL25.14 Finisher Electrical (page 4-70)
■ PL25.15 Finisher Harness (page 4-72)
Upper Tray Full (Upper Tray Full Sensor) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Test the Upper Tray Full Sensor.
Run the Service Diagnostics Upper Tray
Full Sensor test.
Does the sensor state change when the
sensor area is covered?
Replace the
Finisher Main
PWB
(
page 3-248).
Go to Step 2.
2
Check the Top Tray Sensor and Main
Sensor Harness connections.
Are P/J8322, P/J8393 and P/J8302A of
the Top Tray Sensor Harness
connected?
Go to Step 4. Connect and go
to Step 3.
3
Print a Test Print.
Does the error still occur?
Go to Step 4. Problem solved.
4
Check Top Sensor Harness continuity.
1. Disconnect P/J8322 and P/J8393.
2. Check for continuity at the following:
P/J8322-3 <=> J8393B-1
P/J8322-2 <=> J8393B-2
P/J8322-1 <=> J8393B-3
Are these conductive?
Go to Step 5. Repair the Top
Sensor Harness.
5
Check Top Tray Sensor Harness continuity.
1. Disconnect P/J8393 and P/J8302A.
2. Check for continuity at the following:
J8393A-3 <=> P/J8302A-10
J8393A-2 <=> P/J8302A-11
J8393A-1 <=> P/J8302A-12
Are these conductive?
Go to Step 6. Repair the Top
Tray Sensor
Harness.
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