phantom printer in xp home

I have a windows xp home machine with many accounts.
I recently disconnected the default printer and began
using a printer served on another computer.
In my administrator account on the xp machine I removed
the old Port Attached printer, and added the new one
with a url accross my home network.
The problem is that the users cannot get rid of
the old printer in their control panel and some of
them still have it as a default printer.
What is worse, even if I make a new account
the default (missing) printer is also installed.

Can anyone tell me how to erase the phantom lpt printer?

thanks very much.

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