Inkjet printer for printing dots of various sizes

Details Inkjet printer for printing dots of various sizes Inkjet printer for printing dots of various sizes

1997-11-19

2000-10-03

Royer, William J.

Incremental printing of symbolic information

Ink jet

Controller

B41J 2205

Patent

active

061262633

ABSTRACT:
An inkjet printer emits ink drops of controlled size in response to a voltage signal applied to a piezoelectric element in the inkjet head. Drop size control over a range of selectable drop sizes as well as drop size uniformity are regulated by controlling the voltage pulse shape applied to the piezoelectric element. To provide for drop size control over a wide range of drop sizes, a plurality of voltage drive methods are provided which are interchanged based on the selected drop size desired.

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