How to fix 'Incorrect paper size, open [paper source]' on Lexmark XM3150?
- KKatrina WoodsSep 5, 2025
To resolve the 'Incorrect paper size' message on your Lexmark All in One Printer, try the following: * Load the correct size and type of paper in the tray, and then specify the paper size and type in the Paper menu on the printer control panel. * Make sure the correct paper size and type are specified in Print Properties or the Print dialog settings. * Check if the paper size is correctly set. * Check the length and width guides and make sure the paper is loaded properly in the tray. * From the printer control panel, touch Continue to clear the message and print using a different tray. * Cancel the print job.