Motor (staple finisher rear tamper) failure service check
Action Yes No
Step 1
a Remove any debris from the paper path.
b Reseat the interface cable that is plugged into the printer.
c Reset the printer.
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
Reset the service error.
Enter the Diagnostics menu, and then navigate to:
Printer setup > Reset engine service error
Note: Perform this step every time a service error occurs.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
a Reseat the cable CN102 on the staple finisher controller board.
b If applicable, reseat the junction connectors on the cable.
c Make sure that the cable does not block the path of moving parts.
d Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
a Test the motor (staple finisher rear tamper).
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > Staple Finisher Motor Tests > Tamper, rear
b Check if the tampers are properly moving.
Are they moving properly?
Go to step 6. Go to step 5.
Step 5
a Reseat the cable on the motor.
b Make sure that the motor is properly installed.
c Check the motor and cable for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is solved.
Step 6
a Make sure that the tamper gears are properly installed.
b Check the gears for wear or damage, and replace if necessary. See
“Staple finisher tamper drive gears removal” on page 313.
Does the problem remain?
Go to step 7. The problem is solved.
4021, 7421
Diagnostic information
101
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