A printer that uses hammers and a ribbon to form images from dots ... Also known as a "serial dot matrix printer." The dot matrix printer uses one or two columns of dot hammers that are moved ...

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 ... like this high-resolution draw bot ...

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 ...