this post was submitted on 03 Apr 2024
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Laser printers more accurately "bake paper so that number powder sticks to it"
There are two common types of laser printers. Those that have special paper that react to heat, such as receipt printers, would fit the description.
The other laser printers.. Hm, I don't think your description is accurate either. It's more that the laser electrically charges ink particles so that they jump on to a separate roller that gets rolled on to the paper.
I'm no expert though.
It's an accurate description of laser printers. The "powder" in the description are small plastic flakes (toner), and the paper is baked so that powder melts into it.
Receipt printers have no additional consumables beyond the paper. The heat itself is all the paper needs.
Wait, seriously? We use plastic for printing documents as well?
Yup, that's what toner is. Little black plastic flecks. If you break a toner cartridge and get it everywhere, try not to breathe too hard.