Black Or Blank Page Copy Service Check - Lexmark CX725 Service Manual

Symptom
The scanner does not scan a legal‑size document.
The scanner carriage does not move during scanning.

Black or blank page copy service check

Actions
Step 1
Print a test page.
Is the page black?
Step 2
See "Solid color or black image check" on page
Does the problem remain?
Step 3
Check if the printed output is from an ADF scan job.
Is the printed output from an ADF scan job?
Step 4
Send a flatbed scan job.
Is the printed output blank or black?
Step 5
Check if the scan document feeds into the ADF.
Does the scan document feed into the ADF?
Step 6
Reseat the CCD ribbon cable on the JCCD1 connector on the
controller board.
Does the problem remain?
Step 7
Replace the flatbed. See
Does the problem remain?
Step 8
Replace the controller board. See
page 409.
Does the problem remain?
49.
"Flatbed removal" on page
"Controller board removal" on
Diagnostic information
Action
See "Flatbed legal‑size scan service check" on
page 244.
See "Flatbed motor service check" on page
242.
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 6.
Go to step 7.
Go to step 7.
Go to step 8.
435.
Contact the next
level of support.
241
7528
No
Go to step 3.
The problem is
solved.
Go to step 5.
Go to step 5.
Go to step 6.
The problem is
solved.
The problem is
solved.
The problem is
solved.