ADF controller board service check
Actions Yes No
Step 1
Enter the Diagnostics menu, and then navigate to:
PRINTER SETUP > Reset Engine Service Error
Note: Do this step every time a service error would occur to clear the
error and restore the engine settings.
Does the error remain?
Go to step 2. The problem is solved.
Step 2
a Reseat the interface cable connecting the engine controller board and
the image controller board.
b Reseat all of the cables on the ADF controller board and reseat the
cable connectors on the other end of the connection.
c Make sure to tighten the blue screws and marked screws.
d Check the cables for damage, and replace if necessary.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Check the ADF controller board for damaged pins, and replace if
necessary. See
“ADF controller board removal” on page 396.
Note: Make sure to perform ADF scanner adjustment after replacing
the ADF controller board.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
Check the ADF/scanner image controller board for damaged pins, and
replace if necessary. See
“ADF/scanner image controller board removal”
on page 354.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
Check the controller board for damaged pins, and replace if necessary.
See
“Controller board removal” on page 356.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
7421
Diagnostic information
194
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