We can use the printer as a fax.
Teacher and secratery can send a message
in this way. (like fax message)
We do not have to surprise with the phone call in the morning.
We do not have to check the phone endlessly.
The recipt (from the mini fax machine) will be deleted or throw away.
It is same with the 'to do list post-it'
Sticky note printer (youtube)
https://www.youtube.com/watch?v=GOWbwsxOv68
