Lexmark CX962
Vertical and horizontal white lines within a large uniform halftone region of print or copies.
Sample images with vertical and horizontal white lines on the print:
Possible cause:
Perform Color Adjust.
Set the resolution to 4800 CQ.
Make sure that the printer is not in Quiet Mode.
Perform a test print and check if the print quality issue remains.
If the issue persists, then contact customer support.