What do you need a printer for?

With all the new technology of just using our phones to show coupons, groupons, or even our insurance cards at the doctor's office, do we even need to use our printers anymore?
I used to use my printer a lot but now I find that I use it maybe once every 3 months and sometimes I worry that my ink is going to dry up! We print out a copy of our taxes but we don't even need to do that because we have copies in our software as well as our email.