How to Add Printer using Run As

Step 1 open the printers and faxes window.
Step 2 goto tools on the menu bar and select folder options. Next in the general tab the first grouping of options is Tasks. Select the radial button next to Use Windows classic folders. You should now see an Add Printer icon at the top of the page. While holding down the shift key, right click the Add printer icon and select Run As. Supply the correct administrative credentials and you can now add a local printer without logging off and back on as an admin

Source:
How to add a local printer with the RUN AS command!
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