US 12,350,939 B2
Devices, systems, and methods for printhead cleaning and diagnostics
Michael Laubenberger, Boca Raton, FL (US); and Jeffrey David Kane, Boynton Beach, FL (US)
Assigned to Canon U.S.A., Inc., Melville, NY (US)
Filed by Canon U.S.A., Inc., Melville, NY (US)
Filed on Jan. 12, 2024, as Appl. No. 18/411,691.
Application 18/411,691 is a continuation of application No. 17/115,217, filed on Dec. 8, 2020, granted, now 11,919,310.
Prior Publication US 2024/0173980 A1, May 30, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B41J 2/165 (2006.01)
CPC B41J 2/16552 (2013.01) [B41J 2/16526 (2013.01); B41J 2/16535 (2013.01); B41J 2002/16564 (2013.01); B41J 2002/16573 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a cleaning-fluid-supply reservoir;
a cleaning-fluid-supply conduit;
one or more electrical connectors that are configured to be attached to a printhead that includes a plurality of nozzles and to supply electrical signals to the printhead;
one or more memories; and
one or more processors that are in communication with the one or more memories and that cooperate with the one or more memories to cause the system to perform operations including:
supplying cleaning fluid from the cleaning-fluid-supply reservoir, through the cleaning-fluid-supply conduit, to the printhead; and
while supplying the cleaning fluid to the printhead, sending signals to the printhead, through the one or more electrical connectors, to activate one or more nozzles of the plurality of nozzles to eject the cleaning fluid.