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:
Sep. 02, 2025

Filed:

Apr. 28, 2021
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Gianni Cessel, Sant Cugat del Valles, ES;

Carles Carmona Calpe, Sant Cugat del Valles, ES;

Marcos Casaldaliga Albisu, Sant Cugat del Valles, ES;

Pablo Carmelo Mena Rodriguez, Sant Cugat del Valles, ES;

Lluis Abello Rosello, Sant Cugat del Valles, ES;

Ma. Pilar Velazquez Gomez, Sant Cugat del Valles, ES;

Ricard Silvestre, Sant Cugat del Valles, ES;

Jaume Verges Llahi, Sant Cugat del Valles, ES;

Dorkaitz Alain Vazquez Fernandez, Sant Cugat del Valles, ES;

Jordina Torrents Barrena, Sant Cugat del Valles, ES;

Maurizio Bordone, Sant Cugat del Valles, ES;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); B41J 2/045 (2006.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16579 (2013.01); B41J 2/0451 (2013.01); B41J 2/04586 (2013.01); B41J 2/16535 (2013.01); B41J 2/2139 (2013.01); B41J 2/2142 (2013.01); B41P 2235/20 (2013.01);
Abstract

A print apparatus is disclosed. The print apparatus comprises a print fluid application unit having a plurality of nozzles through which print fluid is to be deposited onto a printable medium during a printing operation. The print apparatus also comprises a nozzle cleaning surface to engage nozzles during a nozzle cleaning operation. The print apparatus also comprises a scanning unit and a controller. The controller is to control the print fluid application unit to deposit print fluid from nozzles of the plurality of nozzles according to an intended pattern onto the nozzle cleaning surface; control the scanning unit to scan the pattern formed on the nozzle cleaning surface; and responsive to determining, based on the scan, that print fluid from a nozzle of the plurality of nozzles has not been deposited according to the intended pattern, generate an instruction signal regarding maintenance of the print fluid application unit. A method and a machine-readable medium are also disclosed.


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