Not sure how this is hooked up, but there can be quite a bit of heat generated if it's possible for people to print (lots of) fully black pages, like wasting someone's fax toner/ink but with a risk of fire.
https://en.wikipedia.org/wiki/Lp0_on_fire
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux...
Thermal printers use a thin wire that heats up in certain sections. The paper is heat sensitive. Funny though I discovered you can erase a thermal image using a highlighter pen (at old job where clerks had to highlight a section. Ooops!)
The paper is probably more of a danger since thermal paper supposedly is loaded with BPA.
> Receipt printers are thermal and they print all day long.
Not continuously, and not fully black pages.
Apparently not the case any more.
The common white/greyish ones might still be a health risk.
Supposedly these blue ones that some shops have adapted is a lot better (and even recyclable?).
https://www.koehlerpaper.com/en/products/Thermal-paper/TH_Bl...
That's been banned in the EU since 2020, the question is if its replacement BPS isn't just as bad... [1]
[1] https://echa.europa.eu/de/-/bisphenol-s-has-replaced-bisphen...
Source: I'm doing something similar with a Cat Printer: https://untested.sonnet.io/TIL/weekly/40#Cat+printers
Keep up the good work :)
Easier to set up if you're using a PC/Linux/Intel Mac as there are some issues with ARM/Apple SoC. Start with the repo in bold.