The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2015

Filed:

Aug. 02, 2013
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Kazumasa Hattori, Kanagawa, JP;

Jun Yamanobe, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/12 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
B41J 2/12 (2013.01); B41J 2/2142 (2013.01);
Abstract

An image forming apparatus includes a discharge disabling unit configured to disable a discharge operation of a defective nozzle, which is in a defective discharge state, among a plurality of nozzles configured to discharge liquid droplets to a recording medium, when a value obtained by quantifying a degree of defective state of the defective nozzle is greater than a discharge disable threshold value; a complement unit configured to complement an image defect using two nozzles on either side of the defective nozzle of which discharge operation is disabled; and a threshold value change unit configured to change the discharge disable threshold value depending on a discharge order between the nozzles which complement the image defect and nozzles adjacent to the nozzles which complement the image defect.


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