Print element de-prime method

Details Print element de-prime method Print element de-prime method

2007-09-07

2010-10-19

Le, Uyen-Chau N (Department: 2874)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S006000, C347S007000, C347S088000, C347S092000, C347S099000

Reexamination Certificate

active

07815281

ABSTRACT:
An image forming device comprises an ink reservoir that contains a reservoir ink. The ink reservoir is arranged to provide the reservoir ink to an included print element by means of an included ink supply channel. A print element ink thus is supplied to the print element. When a fault condition is detected that indicates a likelihood of a freezing of the print element ink, the print element is de-primed by forcing the print element ink to evacuate, discharge, withdraw or flow from the print element by means of the ink supply channel. The fault condition comprises any of a loss of power, a power-down process or a print element temperature being less than or equal to a threshold value.

REFERENCES:
patent: 6318841 (2001-11-01), Coleman et al.
patent: 6334658 (2002-01-01), Suzuki
patent: 6357865 (2002-03-01), Kubby et al.
patent: 6367915 (2002-04-01), Gooray et al.
patent: 6398337 (2002-06-01), Wyble et al.
patent: 6419335 (2002-07-01), Gooray et al.
patent: 6742862 (2004-06-01), Yamada et al.

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