Breaklist is a morning report generator designed for thermal printers. It compiles a succinct morning report including a task list, reminders, weather forecast, and top Hacker News articles. - Git...
I found some that do the opposite, take digital writing and format into a printed list.
So you say “programs like Trilium”. Have you looked at Joplin?
Joplin comes with OCR albeit for search only. I myself have not tried it yet, but Joplin itself is a great note app.
Also Joplin seems to have an in development plugin for extracting text via OCR.
Maybe you can then export it to Trilium, if this a one time thing.