Action Yes No
Step 3
a Make sure that the bin stack height solenoid is properly installed.
b Check the solenoid for damage, and replace if necessary. See “Staple
finisher bin stack height solenoid removal” on page 235.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
a Make sure that the tamper paper present sensor actuator is properly
installed.
b Check the actuator for damage, and replace if necessary.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
a Make sure that the following sensors are properly installed:
• Sensor (staple finisher tamper paper present)
• Sensor (staple finisher bin stack height)
• Sensor (staple finisher bin level)
b Make sure that the sensor is free of debris or dust.
c Reseat the cable on the sensor. Check the cable for damage, and
replace if necessary.
d Check the sensor for damage.
Are the sensors free of damage?
Go to step 6. Go to step 7.
Step 6
a Test the sensors.
Enter the Diagnostics menu, and then navigate to:
SENSOR TESTS > Staple Finisher Sensor Tests > select the sensor
b Toggle the sensor.
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 7.
Step 7
Replace the sensor.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
a Reseat the cables CN102, CN103, and CN109 on the staple finisher
controller board.
b If applicable, reseat the junction connectors on the cables.
c Make sure that the cables do not block the path of moving parts.
d Check the cables for damage, and replace if necessary.
Does the problem remain?
Go to step 9. The problem is solved.
4021, 7421
Diagnostic information
159
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