Epson DFX-9000 - Manual (Page 16)

16 Printer Software
For Windows XP Home Edition, click Start, and click Control
Panel, then click Printers and Faxes.
2. Click the EPSON xxxx ESC/P or EPSON xxxx ESC/P2 icon.
3. Select Server Properties from the file menu.
4. Check the Create a New Form.
5. Enter the paper size in the Measurement fields.
6. Click Save Form and then click OK.
Note:
You can use this method also on Windows Vista or XP Professional x64
Edition. To open the Server Properties screen on Windows Vista, you
need to use the Run as administrator option.
For Windows Vista and XP Professional x64 Edition:
1. For Windows Vista, click Start, and click Control Panel, and
click Hardware and Sound, then click Printers.
For Windows XP Professional x64 Edition, click Start, and
click 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.