Print engine having printhead control modes

Details Print engine having printhead control modes Print engine having printhead control modes

2011-03-08

2011-03-08

Nguyen, Lam S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S009000, C347S013000

Reexamination Certificate

active

07901037

ABSTRACT:
A print engine is provided which has a printhead capable of printing a maximum of n channels of print data and a controller. Each channel is associated with rows of printing nozzles of the printhead. The controller controls the printhead to print in: a first mode, in which the printhead receives from the controller, print data for a first number of the channels; and a second mode, in which the printhead receives from the controller, print data for a second number of the channels less than the first number and dummy data for a portion of each nozzle row associated with the remaining number of the channels. The first number is less than n.

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