zlacker

Reliable physical paper handling, e.g. supporting different paper weights, sizes. and thickness, duplex printing, avoiding paper jams, is nontrivial.

>>layer8+(OP)
Well given that there are literally thousands of printers on the market that make it work, I'm guessing that can be replicated.

>>TheRea+id
They make it work to various degrees, after decades of experience and R&D. It certainly won’t be easy, judging by the difficulties printers often still have.