Crystal report print document using network printer

Question

Hai all..
i have a problem with crystal report printing..
in my case , i have crystal report with asp button and network shared printer..
when i click button i want print crystal report from network shared printer..
i have multiple network shared printers (1, 2, 3 like) ,  if i set 2 as default printer i want print crystal report from 2 printer, if i select 1 as default printer i want print crystal report from 1 printer directly .. 
plz if understand my query plz give reply