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.
Patent No.:
Date of Patent:
May. 20, 2003
Filed:
Jul. 16, 2002
Applicant:
Inventors:
Katsutoshi Ogawa, Osaka, JP;
Hiroshi Saegusa, Tochigi, JP;
Yoshitaka Kitaoka, Osaka, JP;
Taichi Itoh, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/06 ;
U.S. Cl.
CPC ...
B41J 2/06 ;
Abstract
To keep a toner ( ) deposited on a transportation belt ( ) from contact with a printhead ( ) and prevent the clogging of toner passage holes ( ) of the printhead ( ), the toner ( ) on a toner holding member ( ) is ejected toward the transportation belt ( ) through the toner passage holes ( ) after the movement of the transportation belt ( ) is initiated such that the cleaning of the toner passage holes ( ) is initiated.