Refilling a used ink cartridge
In one embodiment, a method for refilling a used ink cartridge includes determining a quantity of ink remaining in an ink holding chamber in the cartridge, determining a desired quantity of ink to refill the chamber based on a difference between a capacity of the chamber and the quantity of ink remaining in the chamber, and refilling the chamber with the desired quantity of ink. In another embodiment, a method for refilling a used ink cartridge includes introducing ink into an ink holding chamber in the cartridge, simultaneously with introducing ink into the chamber, monitoring the level of ink in the chamber, and ending the introduction of ink into the chamber when the level of ink in the chamber reaches a desired level.
Hewlett-Packard Development Company, L.P.
B B B
B41J B41J B41J
inventional additional inventional
David M. Winthrop D. Douglas David A.
Hagen Childers Hoffman Tyvoll