Add 12×18 Paper to Your Printer: A Guide to Custom Printing and Settings
To add 12×18 paper to your printer, open the Print window and select Preferences or Printer Properties. Click the Paper/Quality tab and choose Custom Options. Enter the dimensions of 12 inches by 18 inches. For Windows, go to Devices and Printers, right-click your printer, and select Printing Preferences to set the custom size. Next, save … Read more