Cancel USB printjob

currently I am able to cancel the print job through spooler but it requires few seconds delay. I want instantanious cancellation through USB channel. So if anyone has some idead or worked in related area pl help me out. I want to cancel print job instantly.
Thanx in advance…

You are currently subscribed to ntdev as: $subst(‘Recip.EmailAddr’)
To unsubscribe send a blank email to leave-ntdev-$subst(‘Recip.MemberIDChar’)