Lexmark CX735
Step 1
Open the scanner cover.
Using a damp, soft, lint‑free cloth, wipe the ADF glass and the white underside of the scanner cover.
Close the scanner cover.
Do vertical streaks appear on scanned documents?
Go to step 2.
The problem is solved.
Step 2
Open the ADF cover.
Using a damp, soft, lint‑free cloth, wipe the ADF glass and the white underside of the ADF cover.
Close the ADF cover.
Contact customer support.
Do vertical dark streaks appear on your printed pages? Here are methods on how to fix the problem.
Do images or texts in your print output appear jagged, wavy, or stretched? Remove dust and other foreign materials from the ADF feed rollers.