inbound - 3:52 pm on Oct 20, 2011 (gmt 0)

Although I don't have an answer - thermal printers are instant (just think of supermarket reciepts). There are probably solutions ot there specifically for your needs; heading over to the ecommerce forum might help.

There's also the way you fix the label to the parcel to consider, that could speed up or slow down the process too.