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Cake day: March 6th, 2025

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  • Black and white is more common in laser printers, less complex, cheaper and it takes up less room.

    Laser printers don’t just shoot color particles on the paper like ink jet / piezo printers.

    They “magnetize” a photo conductor so the toner particles stick to it and then usually transfer it to the paper using pressure and then fix it using heat. You can’t really do the first part for multiple colors at the same time so color lasers can get pretty complex to repeat this process for each color (CMKY, sometimes more).

    So why not an ink printer instead?

    • If you use them often they will cost you a lot. Printer manufacturers love ink printers because they can basically sell water (with a tiny bit of color) for the price of gold. That’s also the reason why they put you much effort into detection of original ink cartridges.
    • If you don’t use them often, the print heads tend to clog and guess what the printers use to flush them? Copious amounts of liquid gold (ink).