Mat board from the printer and what can be done with it?

Question

Microcontrollers

q3452-60199 such a device was installed in the printer, which I successfully quietly use for spare parts, what to do with the motherboard and the screen with buttons until I know. Google does not give a sensible manual on how to reflash this motherboard and use it, for example, as an arduino or a raspberry, on board I see a dofig frame and an arm
Photosmart 2710XI Printer such a patient was, who already did something like this? I would like to use it to display useful info or display photos

Answer 1

ask comrades who ran DOOM on the printer
www.wired.com/2014/09/doom-printer

Answer 2

Solder for spare parts, in any case, there is a dc-dc converter and stepper drivers. all this can be connected to the same arduino or raspberry (make shields). But writing software under a stone from an unfamiliar family, the skill of working with which is unlikely to be useful in the future, is masochism. However, if Monsieur knows a lot about perversions, I will be happy to read an article on Habré about the successful completion of this project. With photographs, of course.