Printer controller for causing expulsion of ink from nozzles...

Details Printer controller for causing expulsion of ink from nozzles... Printer controller for causing expulsion of ink from nozzles...

2004-05-27

2009-06-23

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S049000

Reexamination Certificate

active

07549715

ABSTRACT:
A printer controller for supplying one or more control signals to a printhead module, the printhead module including at least one row that comprises a plurality of sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to a fire signal, such that:(a) a fire signal is provided to nozzles at a first and nth position in each set of nozzles;(b) a fire signal is provided to the next inward pair of nozzles in each set;(c) in the event n is an even number, step (b) is repeated until all of the nozzles in each set has been fired; and(d) in the event n is an odd number, step (b) is repeated until all of the nozzles but a central nozzle in each set have been fired, and then the central nozzle is fired.

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