Set the parameters in the printer.
From the control panel, navigate to the menu for the port settings.
Locate the menu for the serial port settings, and then adjust the settings, if necessary.
Apply the changes.
From your computer, open the printers folder, and then select your printer.
Open the printer properties, and then select the COM port from the list.
Set the COM port parameters in Device Manager.
Guide for Setting Up Universal Print in Lexmark Universal Print Ready Printers
Reduce power consumption by setting up the following power-saving options of your printer.