Determination of turn-on energy for a printhead

Details Determination of turn-on energy for a printhead Determination of turn-on energy for a printhead

2005-05-03

2005-05-03

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

Reexamination Certificate

active

06886903

ABSTRACT:
The turn-on energy of a printhead is determined. The printhead is fired at a first firing frequency over an initial range of print energies to detect an approximate range of print energies in which the turn-on energy is located. The printhead is fired at a second firing frequency over the approximate range of print energies in which the turn-on energy is located in order to determine a value for the turn-on energy of the printhead. The second firing frequency is higher than the first firing frequency.

REFERENCES:
patent: 5428376 (1995-06-01), Wade et al.
patent: 5526027 (1996-06-01), Wade et al.
patent: 6244682 (2001-06-01), Walker et al.
patent: 6318838 (2001-11-01), Anderson et al.
patent: 6474772 (2002-11-01), Kawamura et al.
patent: 20030058332 (2003-03-01), Fujiwara

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