Inkjet printing apparatus and inkjet printing method

Patent metadata

Field	Value
Publication number	US-8967768-B2
Application number	US-201213659054-A
Country	US
Kind code	B2
Filing date	Oct 24, 2012
Priority date	Mar 18, 2009
Publication date	Mar 3, 2015
Grant date	Mar 3, 2015

Abstract

An inkjet printing apparatus and an inkjet printing method are realized which can improve a print quality while minimizing the volume of waste ink, running cost and throughput degradations. For this purpose, the scan width is set according to the size and position of the print medium and then, based on that scan width, a location where the preliminary ejections are to be executed and the number of times that the preliminary ejection is to be executed in a single preliminary ejection session are determined.

First claim

What is claimed is:

1. An inkjet printing apparatus comprising:
a print head provided with a plurality of ejection ports for ejecting ink on a print medium;
a carriage configured to move said print head back and forth along a path extending in a first direction;
a plurality of ink reception units each capable of receiving ink ejected from said print head, said plurality of ink reception units including:
a first ink reception unit provided on one side of the print medium;
a…

Assignees

• Canon Kk

Inventors

• Jogo Jumpei
• Nitta Masaki
• Hayashi Satoshi
• Oikawa Yuhei
• Katsuura Joji
• Matsushita Kosuke

Classifications

• B41J2/17553

  Operations & Transport · mapped topic

• B41J29/38

  Operations & Transport · mapped topic

• B41J2/16526 Primary

  Operations & Transport · mapped topic