On Sat, 4 Oct 2008 10:17:30 +0530, "Prasad"
wrote:

Hello,
I have a pair of dc motors from discarded hp 610 printers. Don't know their
voltage / current ratings, however. Searches did't do any good. Can someone
out there help?

The standard power supply for this range of HP printers is 30V, 400ma,
if that's any help.