Lexmark XC4150
Return Program imaging unit or imaging kit
Black imaging unit
74C0ZK0
Color (CMY) imaging kit
74C0ZV0
Regular imaging unit or imaging kit
74C0Z10
74C0Z50
Correctly installing the imaging unit or imaging kit can help remove the vertical dark lines you see on your prints.
Are you seeing vertical white lines on your prints? Check if the imaging unit or imaging kit is properly installed.