Patent · US Expired

Recovery processing method and unit of ink jet printing apparatus

US6719400B2 · kind B2 · utility

20Cited by
15References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 2001
Grant dateApr 13, 2004
Priority date
Expiry dateMay 1, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/14153
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In the present invention, the minimum necessary consumption of ink can recover the channel miss state of the plurality of nozzles. The present invention provides a recovery processing method of an ink jet printing apparatus for forming images using a print head having a plurality of nozzles for ejecting ink droplets. The method comprises a first step for detecting channel miss state of said plurality of nozzles, and a second step for executing at least one of different recovery processes depending on the channel miss states of said plurality of nozzles detected in the first step.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.