“Print characters” is a style of the characters. You can still hand paint them, they don’t have to be printed to be in that style.

Look at this image for example: https://www.ideastream.org/community/2022-09-01/making-it-ol...

That is clearly a hand painted letter but is using a printed style (as opposed to a cursive one)

Japanese writing has the same distinction. These letters on the sign are in printed style: https://www.flickr.com/photos/japanesepod101/3706680254/

The shapes are simplified and regularised. Compared with these caligraphy style letters: https://www.flickr.com/photos/12567713@N00/70734240/in/photo...