Most commercial and industrial inkjet printers and some consumer printers.
DOD process uses software that directs the heads to apply between zero and eight droplets of ink per dot, only where needed. often used on production lines to mark products. For instance, the "use-before" date is often applied to products with this technique; in this application the head is stationary and the product moves past. Requirements of this application are high speed, a long service life, a relatively large gap between the print head and the substrate, and low cost.