Fixing Scan Quality Issues; Dark Image Quality (Using The Adf Or Scanner) Check - Lexmark CX825 Service Manual

Action
Step 11
Measure the distance between the repeating marks.
Is the distance between the marks either 47.1 mm or 90 mm?
Step 12
Check the marks that appear on a multi‑page print job.
Do the marks appear on every other page?
Step 13
Replace the transfer belt. See
page 652.
Does the problem remain?

Fixing scan quality issues

Dark image quality (using the ADF or scanner) check

Actions
Step 1
Isolate the scanner system by printing the advanced print quality
samples directly from the printer.
Enter the Diagnostics menu, and then navigate to:
Advanced Print Quality Samples > Advanced Print Quality
Samples
Is the scan defect seen on the print quality samples?
Step 2
Identify, and then resolve the print quality defect. See
quality issues" on page
Does the problem remain?
Step 3
Clean both sides of the large and small platen glasses on the
flatbed scanner.
Does the problem remain?
Step 4
Clear the ADF and flatbed scanner CCDMs of contamination or
dust.
Does the problem remain?
"Transfer belt removal" on
47.
Diagnostic information
Yes
Go to step 13.
Go to step 13.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 3.
"Fixing print
Go to step 4.
Go to step 5.
79
7564
No
Go to step 12.
Contact the next
level of support.
The problem is
solved.
No
Go to step 3.
The problem is
solved.
The problem is
solved.
The problem is
solved.