Inkjet recording apparatus and preliminary discharge control...

Details Inkjet recording apparatus and preliminary discharge control... Inkjet recording apparatus and preliminary discharge control...

2007-07-10

2007-07-10

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000, C347S030000, C347S032000, C347S033000, C347S035000

Reexamination Certificate

active

10941853

ABSTRACT:
The inkjet recording apparatus comprises: a recording head including nozzles which discharge ink droplets onto a recording medium for printing; a computing device which computes a non-operational time period for one of the nozzles; a calculating device which calculates a predicted non-operational time period until a next operation of the one of the nozzles; and a preliminary discharge control device which performs control whereby preliminary discharge of the one of the nozzles is carried out if a total of the non-operational time period and the predicted non-operational time period exceeds a reference time period.

REFERENCES:
patent: 5406317 (1995-04-01), Shimamura et al.
patent: 5475404 (1995-12-01), Takahashi et al.
patent: 6796633 (2004-09-01), Kawamata et al.
patent: 6808247 (2004-10-01), Kawatoko et al.
patent: 2003/0025745 (2003-02-01), Kawatoko et al.
patent: 11-192729 (1999-07-01), None
patent: 2002-361910 (2002-12-01), None

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