Hackaday gets results! Reader [John] saw our recent Fail of the Week post about a “sand matrix printer” and decided to share his own version, a sand-dispensing dot matrix printer he built last year.

What do you do when your dot matrix printer’s ribbon is torn to shreds after decades of use, and no new cartridges are available? You might like to attempt a ribbon transplant from another printer’s ...

Dot matrix printers, also known as impact matrix devices, are an older kind of printer that relies on an ink-soaked ribbon similar to that used in a typewriter. These devices were the most common ...