Lexmark XC8155
It may be possible for the scanner to have light vertical streak down the page from the flatbed or ADF (Automatic Document Feeder).
Bad Image
Good Image
Clear vertical dark lines when you make a copy, send a fax, or scan an image. Here are the recommended fixes.
Vertical Streaks Print Quality Defect on the Lexmark C/XC61xx, CS/CX72x/8xx and XC81xx