Which meant, as long as no paper was jamming, I could send data all three printers I had access to at the time could understand, and would save 1/3rd of printing time by having everything spit out in parallel.
My mother (parents bedroom adjacent to mine) did not think that'd qualify as ASMR at 2 in the morning.
And yes, people bought new printers instead of replacing the ribbon because the print from the latest model in the store looked so much better than what they had at home.
EDIT: Not "professional secretary" levels, but a lot. Enough that he bought a Selectric II for use at home.