Action Yes No
Step 14
Replace the controller board. See
“Controller board removal” on
page 228.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Scanner disabled and scanner communication error service check
Action Yes No
Step 1
a Open the ADF door, and then remove the jammed paper.
b Make sure that the paper path is free of obstructions.
c Raise the ADF assembly, and then make sure that the scan area
is free of dust and obstructions.
d Make sure that the scanner paper setting matches the paper
loaded.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Reseat all the scanner cables on the controller board.
b Perform a POR.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
a Enter the Diagnostics menu, and then navigate to:
Scanner diagnostics > Motor tests
b Select Motor (ADF transport).
Does the motor run?
Go to step 5. Go to step 4.
Step 4
a Reseat the ADF cable.
b Check the ADF cable for proper connection and damage.
c Check the ADF assembly for proper installation and damage.
d Check the ADF door sensor for damage.
Is the ADF assembly properly installed and free of damage?
Go to step 6. Go to step 5.
Step 5
Replace the ADF assembly. See
“ADF scanner and flatbed
scanner removal” on page 261.
Does the problem remain?
Go to step 6. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
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