I've tried 0.48-1 (updates), 0.50-3 (6.2beta), and 0.50-4 (rawhide),
and -#n always prints one and only one copy. I'm printing to a
remote HP4000N with an internal JetDirect server. I get the same
behavior to both the text and the raw queues.
This is fixed in rawhide with the move to LPRng.