Patent ID: 8211383

Claim:
A fluid-ejection device comprising: a handheld and/or mountable enclosure; a removable tip having a fluid-ejection mechanism; a first fitting extending from the enclosure and receptive to placement of the removable tip thereon; a controller situated within the enclosure to cause the removable tip to eject the fluid; at least one of: a tip-extension assembly having an electrical cable connecting to the controller and having a second fitting receptive to placement of the removable tip thereon, the electrical cable permitting the removable tip to be located substantially independently of the enclosure; and, a plurality of tubings fluidically couplable with the removable tip through at least one of the first and second fittings to provide fluid to the removable tip and to regulate backpressure of the fluid within the removable tip, wherein the electrical cable both is connected to the controller and permits the removable tip to be located substantiall independently of the enclosure: while the fluid-ejection device is being used to eject the fluid, while the fluid-ejection device is in an assembled state, and while an electrical connection is maintained between the controller and the tip-extension assembly.