Lexmark CX310
Open the printers folder.
Select the printer you want to update, and then do the following:
Navigate to the Configuration tab, and then select Update Now ‑ Ask Printer.
Apply the changes.
From System Preferences in the Apple menu, navigate to your printer, and then select Options & Supplies.
Navigate to the list of hardware options, and then add any installed options.
Learn the tips on how to save paper and toner.
Use these simple steps if your printer will not print your document.