Inkjet printhead with grouped nozzles and a nozzle guard

Details Inkjet printhead with grouped nozzles and a nozzle guard Inkjet printhead with grouped nozzles and a nozzle guard

2007-07-03

2007-07-03

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

11450584

ABSTRACT:
A printhead for inkjet printing includes a substrate. A plurality of nozzles is arranged on the substrate in groups. The substrate defines groups of ink supply passages to supply an ink of a particular color to respective nozzles of each group. A nozzle guard is arranged with respect to the nozzles to define a space between the nozzle guard and the nozzles. The nozzle guard defines a plurality of passages with each passage being in register with a respective nozzle so that each nozzle can eject the ink across the space and through a respective passage.

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