If you are prompted to confirm paper type or size each time you print it may be that your printer preferences are setup incorrectly.
You can check this by following the instructions below.
- Click on the start menu
- Type in "Printers"
- Select "Printers & Scanners"
- Select "Open Queue" on the printer in question
- Click on the "Printer" menu and select "Printing Preferences"
- A box similar to below should appear.
- Ensure Media Type / Paper Size is all set to Auto