Invention Grant
- Patent Title: Testing a printhead
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Application No.: US15596600Application Date: 2017-05-16
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Publication No.: US09776396B2Publication Date: 2017-10-03
- Inventor: Laura Portela Mata , David Soriano Fosas
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Houston
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Houston
- Agency: HP Inc.—Patent Department
- Main IPC: B41J2/045
- IPC: B41J2/045
Abstract:
A system and method for testing printheads is disclosed. The system comprises an optical sensor mounted on a movable carriage. The optical sensor is moved past a nozzle to be tested on the printhead while the nozzle ejects ink. The output signal of the optical sensor can be used to determine when the trajectory of the ejected ink is improper.
Public/Granted literature
- US20170246857A1 TESTING A PRINTHEAD Public/Granted day:2017-08-31
Information query
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