Michael G Harp

US Patent:

20050243139, Nov 3, 2005

Filed:

Apr 28, 2004

Appl. No.:

10/833402

Inventors:

Paul Bruinsma - San Diego CA, US
Matthew Giere - San Diego CA, US
James Mott - San Diego CA, US
Michael Harp - San Diego CA, US

International Classification:

B41J002/05

US Classification:

347060000

Abstract:

A system and a method for improving printing performance are provided. One method of improving printing performance performing a first print operation utilizing a printhead comprising a plurality of resistors by ejecting ink from a plurality of chambers each associated with at least one of at least some of the plurality of resistors, selectively energizing at least some of the plurality of resistors at an energy level insufficient to eject ink from the plurality of chambers, and performing a second print operation utilizing the printhead.