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/Liquid Discharge Head
Abstract

In a liquid discharge head including a discharge-port forming member having a discharge-port row in which a plurality of discharge ports for discharging a liquid which is aligned in a predetermined aligning direction, a plurality of individual liquid chambers which cause each of the plurality of discharge ports to communicate with a common liquid chamber, and an element board having a plurality of elements which generates energy for discharging the liquid and disposed in the individual liquid chamber, a first supply port connecting to the common liquid chamber and a first collecting port connecting to the common liquid chamber, a second supply port disposed on a further toward outer side than an end portion of the discharge-port row in the aligning direction and a second collecting port disposed closer to the outer side than the end portion of the discharge-port row in the aligning direction are provided.

Full Text

What is claimed is:

In a liquid discharge head including a discharge-port forming member having a discharge-port row in which a plurality of discharge ports for discharging a liquid which is aligned in a predetermined aligning direction, a plurality of individual liquid chambers which cause each of the plurality of discharge ports to communicate with a common liquid chamber, and an element board having a plurality of elements which generates energy for discharging the liquid and disposed in the individual liquid chamber, a first supply port connecting to the common liquid chamber and a first collecting port connecting to the common liquid chamber, a second supply port disposed on a further toward outer side than an end portion of the discharge-port row in the aligning direction and a second collecting port disposed closer to the outer side than the end portion of the discharge-port row in the aligning direction are provided.
Timeline
Filed
02/18/2026
Published
06/25/2026
Granted
Not Available
IPC Codes(4)
B41J 2/14:Structure thereof
B41J 2/15:for serial printing
B41J 2/165:Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles