Symptom Action
The scanner does not scan a legal‑size document. See
“Flatbed legal‑size scan service check” on
page 244.
The scanner carriage does not move during scanning. See
“Flatbed motor service check” on page
242.
Black or blank page copy service check
Actions Yes No
Step 1
Print a test page.
Is the page black?
Go to step 2. Go to step 3.
Step 2
See
“Solid color or black image check” on page 49.
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
Check if the printed output is from an ADF scan job.
Is the printed output from an ADF scan job?
Go to step 4. Go to step 5.
Step 4
Send a flatbed scan job.
Is the printed output blank or black?
Go to step 6. Go to step 5.
Step 5
Check if the scan document feeds into the ADF.
Does the scan document feed into the ADF?
Go to step 7. Go to step 6.
Step 6
Reseat the CCD ribbon cable on the JCCD1 connector on the
controller board.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Replace the flatbed. See
“Flatbed removal” on page 435.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the controller board. See
“Controller board removal” on
page 409.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
7528
Diagnostic information
241
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