Lexmark MC2640
Load an original document into the ADF tray or on the scanner glass.
From the control panel, navigate to:
Copy > Settings > Pages Per Side
For non-touch-screen printer models, press to navigate through the settings.
Adjust the settings.
Copy the document.
Copy two original pages onto both sides of a single sheet of paper to reduce paper and energy consumption.
Learn the tips on how to save paper and toner.