Firmanr NO 963 499 558 MVA - Bankgiro 2420 10 91205 Telefon: 333 92 031 - Fax: 333 92 300 Have you ever wondered what makes your ink-jet work? Canon, Hewlett-Packard, Olivetti a.o.. use the surface-tension of the ink to pull it in to small tubes (or nozzles). These tubes have a small heating element attached, when this is turned on the ink will boil and push a droplet out of the tube. When the heat is turned off more ink will be 'sucked in' from the reservoir (cartridge). By turning the heat on and off a row of droplets will come out of the tube (nozzle). Each printer(-cartridge) has several such tubes or nozzles alongside each other for every color it prints simultaneously. Paper            ink-reservoir By controlling the on and off switching of the heat, by simultaneously moving the tube-outlet sideways over the paper, and by moving the paper vertically one gains full control over the actual output on paper. Epson also uses the inks surface-tension to move the ink into the print head, but instead of 'boiling' the ink out of the nozzles they employ a miniature crystal-driven pump for each outlet to produce the ink-drops..   Back to the company page