Wireless fax/print scanner machine?

Wireless fax/print scanner machine?
What is the difference between a wireless fax/print/scanner machine and one does need a USB canble hooked up to the computer? When is is it worth to have a wireless machine because they cost more?

Best answer:

When you have a laptop, or if you have a more than one of computer that you want to be able to print from. Or, if you if you don’t like lots of wires coming out of your computer.