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:
Sep. 10, 2002
Filed:
Apr. 20, 2001
Applicant:
Inventors:
Lidia Calvo, San Diego, CA (US);
Jose Jurjo, Barcelona, ES;
Assignee:
Hewlett-Packard, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/9393 ; B41J 2/165 ;
U.S. Cl.
CPC ...
B41J 2/9393 ; B41J 2/165 ;
Abstract
An inkjet printing device for printing plots includes a printhead, which has a plurality of nozzles, and is capable of performing a variety of servicing functions. A method of recovering a printhead of this device includes: defining a set of causes of failures for said printhead; checking if one or more nozzles of the printhead are failing; identifying the cause of failure of a failing nozzle within said set, and, based on the identified cause of failure, performing an appropriate servicing function for recovering the failing nozzle