Printer having unevenly controlled printhead modules with...

Details Printer having unevenly controlled printhead modules with... Printer having unevenly controlled printhead modules with...

2007-02-15

2008-10-14

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S048000, C347S049000

Reexamination Certificate

active

07434910

ABSTRACT:
A printer is provided having a printhead of first and second elongate printhead modules and first and second printer controllers configured to receive print data and process the print data to output dot data to the printhead. The printhead modules are parallel to each other, are disposed end to end on either side of a join region, and are of different lengths. The first printer controller is arranged to output dot data to both the first and second printhead modules and the second printer controller is arranged to output dot data only to the second printhead module. One or more of the printhead modules has at least one row of print nozzles and at least two shift registers for shifting in the dot data to at least one row. Each print nozzle obtains the dot data from an element of one of the shift registers.

REFERENCES:
patent: 6027203 (2000-02-01), Campbell
patent: 6234605 (2001-05-01), Hilton
patent: 6281908 (2001-08-01), Gibson et al.
patent: 6354689 (2002-03-01), Couwenhoven et al.
patent: 6367903 (2002-04-01), Gast et al.
patent: 6554387 (2003-04-01), Otsuki
patent: 2002/0113985 (2002-08-01), Tayuki
patent: 0674993 (1995-10-01), None
patent: 1029673 (2000-08-01), None
patent: WO 00/06386 (2000-02-01), None

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