Microsoft Windows supports a number of printers connected to any one machine. Windows allows users to customize their preferred printer for one-click and quick printing. If you create a new user on a Windows system, the default printer will not be set. Windows 7 allows you to configure a default printer for all users with a quick command-line setting. You must have Administrative access to the system and have the printer configured to run this command.
Click "Start" and type "Command Prompt" in the Start menu.
Press "SHIFT"+"ENTER" to run the Command Prompt with Administrator privileges.
Click "Start" and type "Print Management." Press "Enter."
Look at the name listed under "Printer Name" for the printer you would like to make default. Double-click it to open the "Properties" dialog.
Right-click the highlighted "Printer Name" label and click "Copy."
Return to your console Window and type "ntprint /setdefault name=