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1. (WO2017037224) METHOD OF OPERATING AN INKJET PRINTHEAD

Pub. No.:    WO/2017/037224    International Application No.:    PCT/EP2016/070698
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Sep 03 01:59:59 CEST 2016
IPC: B41J 2/165
B41J 2/39
H04N 5/80
Applicants: TONEJET LIMITED
Inventors: CLIPPINGDALE, Andrew John
GREASTY, Robert James
HALLS, Jonathan James Michael
Title: METHOD OF OPERATING AN INKJET PRINTHEAD
Abstract:
A method of operating an electrostatic ink jet printhead, the printhead comprising: one or more ejection tips from which, in use, ink is ejected, the one or more ejection tips defining a tip region; a printhead housing, the printhead housing defining a cavity in which the one or more ejection tips are located; the method comprising the steps of, during a printing operation, passing a vapour into the cavity to reduce evaporation of ink in the tip region.