FIELD: process engineering.
SUBSTANCE: ink-jet printer ink ejection head has power supply conductor, hear conductor and excitation circuit conductor arranged to the left of ink feed port. Said conductors may be arranged using a portion of jumper located to separate feed ports. Besides, multiple feed ports are configured to feed ink and pressure chambers and separated by means of jumpers. Thus, ejection opening may be located on both sides of said feed ports. Conductor connected heater with poser supply conductor or excitation circuit is also located in jumper portion making a separation baffle for feed ports.
EFFECT: dense configuration of pressure chambers and ejection openings, optimum sizes of heaters.
12 cl, 49 dwg
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