I gather some of the assorted "diplomas" on the walls of guest stars might have been Starfleet documents, but I'm not aware of any specific examples really being that.
The only explicit printouts that come to mind are the ones ordered by Picard in "Farpoint", and we saw none of those.
But would not a simple rounded-corner line at the border be the way to go? That's what was used on all the Probert and later Okuda/Sternbach wall charts, after all. The assumption would be that there no longer exists such a thing as paper correspondence; the wall-mounted printouts and their smaller equivalents would be the one application of "paper" graphics in that era.