Action Yes No
Step 15
a Make sure that the duplex transport assembly is properly installed.
b Make sure that the assembly is clear of obstructions.
Does the problem remain?
Go to step 16. The problem is solved.
Step 16
Check the assembly, including its exit roller and gears for damage, and
replace if necessary. See
“Duplex transport assembly removal” on
page 285.
Does the problem remain?
Go to step 17. The problem is solved.
Step 17
a Check the fuser belt for proper tension, and adjust if necessary.
b Check the fuser gear and belt for wear or damage, and replace if
necessary.
Does the problem remain?
Go to step 18. The problem is solved.
Step 18
a Make sure that the exit guide assembly is properly installed.
b Make sure that the assembly is clear of obstructions.
Does the problem remain?
Go to step 19. The problem is solved.
Step 19
Check the exit guide assembly, including the rollers and diverter for wear
or damage, and replace if necessary.
Does the problem remain?
Go to step 20. The problem is solved.
Step 20
Check the diverter solenoid for proper operation. Check the solenoid for
wear or damage, and replace if necessary.
Does the problem remain?
Go to step 21. The problem is solved.
Step 21
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > PRINTER MOTOR TESTS > Redrive forward
Does the motor run?
Go to step 25. Go to step 22.
Step 22
a Reseat the redrive motor cable.
b Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 23. The problem is solved.
7421
Diagnostic information
78
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