printing

I've finally made the jump to get a laptop at home. I just setup a wireless network at work and they came to me asking about wireless printing. I went with a Bluetooth Class 1 Network to avoid conflict the the Wireless-G network. It works fine. Good distance, just no two-way communication...

Or whatever it is called where the printer prints out segments of a picture, which you can then piece together for a large picture. Is that a function of the printer, or does one need special software? I'd like to make some big prints for the baby's room.