[saurik]

The answer to your direct question is, in fact, "fax". The digital fax machines that started to come out were able to send documents without much loss and then print multiple copies of them (rather than essentially attaching a modem directly to a glorified receipt printer like earlier ones had).

He had a Palm Pilot he would scribble on a lot to work out of the house when those became a thing, and he had one of the first actually-portable laptop computers. We (he involved me in a lot of his process of learning tech) tested out early tablet computing devices (running Windows 3.0 "for Handwriting" ;P).