3-184 Phaser 5500 Printer Service Manual
Stapler Failure - H5-91 Staple Fail
The Stapler Home Sensor state is not detected within the specified time after a Stapler
Move Motor forward operation, or the Stapler Home Sensor is not turned ON within
the specified time following a Stapler Move Motor reverse operation.
Applicable Error Code
Stapling Failure - H5-91 Staple Fail
Stapler Failure (Stapler Home Sensor) Troubleshooting Reference
Applicable Parts References
■ Stapler Assembly
■ Staple Home Position
Sensor
■ Staple Motor
■ Stapler Harness
■ Finisher Main PWB
■ Phaser 5500 Printer Options Service Manual
■ Finisher Main PWB P/J Locator (page 5-35)
■ Finisher Staple P/J Locator (page 5-30)
■ Finisher Stapler Wiring (page 5-45)
■ PL8.1 Print Engine Electrical (page 9-40)
■ PL25.8 Finisher Staple (page 4-58)
■ PL25.14 Finisher Electrical (page 4-70)
Stapler Failure (Stapler Home Sensor) Troubleshooting Procedure
Step Actions and Questions Yes No
1
Test the Stapler Assembly.
Run the Service Diagnostics Staple Motor
Forward and Reverse tests.
Does the Stapler Motor rotate normally?
Go to Step 5. Go to Step 2.
2
Check the Staple Motor Harness
connections.
Are P/J8357 and P/J8308 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 the Staple Motor Harness continuity
1. Disconnect P/J8357 and P/J8308.
2. Check for continuity at the following:
P/J8357-1 <=> P/J8308-10
P/J8357-2 <=> P/J8308-9
P/J8357-3 <=> P/J8308-8
P/J8357-4 <=> P/J8308-7
Are these conductive?
Go to Step 9. Repair the Staple
Motor Harness.
5
Test the Staple Head Home Sensor.
Run the Service Diagnostics Staple Head
Home Sensor test.
Does the sensor state change when the
staple gear is rotated?
Replace the
Finisher Main
PWB
(
page 3-248).
Go to Step 6.
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