I was printing two things...

1. A plain text "progress report" that tells me some personal stats about my week last week.

2. Full designs created in Affinity Designer, which print with the simple "print" menu. These can have any font, graphic, or whatever.

I was able to send everything from plain text with a scroll and cut ESC/POS command on the end (my automated progress report), to an image sent directly to the printer queue, to a pixel perfect desktop design document.