Printhead having multiple controllers for printhead modules

Details Printhead having multiple controllers for printhead modules Printhead having multiple controllers for printhead modules

2007-04-16

2010-11-23

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000

Reexamination Certificate

active

07837284

ABSTRACT:
A printhead is provided having elongate printhead modules arranged to aggregately extend across a pagewidth and controllers for processing print data into dot data and for controlling the printhead modules in accordance with the dot data. Each printhead module has plural rows of ink ejection nozzles. The nozzle rows of at least one of the printhead modules are longer than the nozzle rows of the other printhead modules. The controllers control ink ejection of the nozzles of the printhead modules in accordance with the dot data. At least one of the controllers is arranged to control all of the printhead modules and at least one other of the controllers is arranged to control only one of the printhead modules.

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