Evening all, My new Canon Pixma MP520 printer arrived today but I was having trouble from the start with getting it to work with Leopard. I got an update from the Canon site and it printed (once) perfectly, but from then on I got no response from it at all. (After every attempt to print, a message came up telling me the printer wasn't connected - it was). Later on I tried the printer in a different USB port at the back of the iMac and...it worked! I tested the 'dead' port with a few other devices (ipod, keyboard, etc) and there was no sign of life - I never had a problem with that port before. Has anyone had a similar experience? Has the printer, somehow, murdered that port, so to speak? Help? What do I do? Even with a Hub I'm running out of USB ports!