Toshiba stuffs an entire PC into a dot matrix printer – Toshiba Jimucon SJ-9500

I would love to know what business niche these have been filling in Japan - TFA states that this series of machine has been offered since 1984.

Does it have an operating system like Win/*nix? Or something more bespoke? Does it offer the user an experience free of internet related distractions?

dot matrix printers use impact printing - it physically strikes the paper to push an inky ribbon against the paper, like an old school typewriter ribbon.

for areas where carbon copies are required a laser or inkjet printer won't replace a dot matrix printer because they can't activate the carbon layer by physically touching it - you'd have print the form again and sign each one, or something similar.

It’s like a Toughbook. People who have bought them for 49 years want nothing else. It’s a brand with a brand.

I mean I get that bit, but where would you see one in the wild? The bank? I know Japan has some anachronistic tendencies but I'm curious what the job description of someone who uses one of these is