Action Yes No
Step 3
Check the controller board pins for damage, and replace if necessary. See
“Controller board removal” on page 356.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
Make sure that the firmware version is the latest, and update if necessary.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
Insufficient flash memory service check
Action Yes No
Step 1
Navigate to Settings > Print settings > Utilities Menu > Format Flash >
Yes.
Does the problem remain?
Go to step 3. Go to step 2.
Step 2
Navigate to Settings > Print settings > Job Accounting Menu Settings >
Log Near Full Level. Make sure that the value is set to maximum.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
If applicable, make sure that the optional memory card is supported.
Does the problem remain?
Go to step 4. The problem is solved.
Step 4
Check the controller board pins for damage, and replace if necessary. See
“Controller board removal” on page 356.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
Make sure that the firmware version is the latest, and update if necessary.
Does the problem remain?
Contact the next level
of support.
The problem is solved.
7421
Diagnostic information
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