Actions Yes No
Step 9
Make sure that the blue screws and marked screws along the paper path
are tightened.
Does the problem remain?
Go to step 10. The problem is solved.
Step 10
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 11. The problem is solved.
Step 11
a Make sure that the ADF CIS cable is properly installed.
b Check the cable for damage, and replace if necessary.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
ADF scan jam service check
Actions Yes No
Step 1
Enter the Diagnostics menu, and then navigate to:
EVENT LOG > Display Log
Does the error log show persistent 283.x1 jam?
Go to step 2. Go to step 3.
Step 2
Open the ADF, and then clear the sensor (ADF scan) of debris or dust within
the sensor paper path.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Enter the Diagnostics menu, and then navigate to:
SCANNER TESTS > Sensor Test
Does the sensor status change while toggling the sensor?
Go to step 6. Go to step 4.
Step 4
a Reseat the sensor cable.
b Check the sensor cable for damage, and replace if necessary.
Does the problem remain?
Go to step 5. The problem is solved.
7421
Diagnostic information
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