Lexmark MS310
Using the Embedded Web Server
Open a Web browser, and then type the printer IP address in the address field.
Notes:
Click Settings > Print Settings > Quality Menu.
Adjust the toner darkness setting.
Click Submit.
Using the printer settings on the computer
How to Properly Adjust the Fax Tone Volume to Low or Off
Here’s how to interpret ‘Toner Low’ message on theLexmark E260 and MS31x models.