Step 1: Click "Start" and type "Command Prompt" in the Start menu.
Step 2: Press "SHIFT"+"ENTER" to run the Command Prompt with Administrator privileges.
Step 3: Click "Start" and type "Print Management." Press "Enter."
Step 4: 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.
Step 5: Right-click the highlighted "Printer Name" label and click "Copy."
Step 6: Return to your console
Return to your console Window and type "ntprint /setdefault name=<printer name>" and press "Enter." Replace <printer name> with the printer name on your clipboard. You can paste this by right-clicking the console window and clicking "Paste."