Epson LX-300+II Reference Manual page 41

For Windows XP Professional, click Start > Settings >
Printers and Faxes.
For Windows XP Home Edition, click Start > Printers and
Faxes.
2. Click the EPSON LX-300+II ESC/P icon.
3. Select Server Properties from the file menu.
4. Select Create a New Form.
5. Enter the paper size in the Measurement fields.
6. Click Save Form and then click OK.
Note:
You also can use this method on Windows Vista or XP Professional
x64 Edition. To open the Server Properties screen in Windows Vista,
you need to use the Run as administrator option.
With Windows Vista and XP Professional x64 Edition
1. For Windows Vista, click Start > Control Panel >
Hardware and Sound, then click Printers.
For Windows XP Professional x64 Edition, click Start >
Settings > Printers and Faxes.
2. Right click your printer icon, and click Printing
Preferences.
3. Select the User Defined Paper menu.
4. Enter the paper size in the Paper Size fields.
5. Click Apply and then click OK.
Note:
For more details, see Help for the printer driver.
Using the Printer Software
41