You cannot change the printer default settings for individual users. Settings made in the [Pinter Preferences] dialog box are applied to all users.
On the [Start] menu, click [Control Panel].
The [Control Panel] window appears.
Click [Printer] in "Hardware and Sound".
Right-click the icon of the printer you want to use, and then click [Printing Preferences...].
The [Printing Preferences] dialog box appears.
Make the settings you require, and then click [OK].
The settings you make here are used as the default settings for all applications.
For details, see the printer driver Help.