Lexmark CS735
When writing a document, wandering thin, dark diagonal lines appear on the output when in 1200 dpi resolution.
Select the 4800CQ print resolution and reprint the document.
If the print quality issue still appears after adjusting the print resolution, a firmware update will resolve the issue.
A firmware change in Release 8 will resolve the issue for long term.
Installing your printer on a macOS ‑ Check out the following steps to get started.
The following instructions will guide you on how to add the options that you installed on your printer.