Lexmark CX310
Visible dark or light vertical lines, streaks, or voids appear on the paper.
Review the following print defect samples for examples of the dark and light vertical lines.
Light vertical lines
Dark vertical lines
Did this occur during printing or scanning/copying?
Print the following printer internal pages. (User's Guide provides instructions for navigating through the printer menus.)
Check the levels of the consumable supplies on the Menu Settings Page (User's Guide provides instructions for replacing supplies).
If the supply levels are normal, please refer to KB topic “Cleaning the printhead lens“.
Using the Print Defect Guide, check to see;
LEGACY ID: SO7193
Do faint or light vertical streaks appear on your print? Check out the following steps to troubleshoot the problem.
Dark Vertical Lines when Printing from the Lexmark CS310, CS410, CS510, CX310, CX410, and CX510