Patent classifications
B41J2/04533
FLUID EJECTION APPARATUS INCLUDING A PARASITIC RESISTOR
An example provides a fluid ejection apparatus including a first firing resistor and a second firing resistor to selectively cause fluid to be ejected through a single nozzle, and a parasitic resistor arranged to add a parasitic resistance to the first firing resistor.
LIQUID EJECTING APPARATUS
A liquid ejecting apparatus includes a recording head including a plurality of nozzles from which liquid is ejected, a plurality of pressure chambers which communicate with each nozzle, respectively, a piezoelectric element which causes liquid to be ejected from the nozzle by causing a pressure fluctuation in the liquid in the pressure chamber, and a printer controller which is connected to the piezoelectric element through an individual signal line, and supplies a driving signal which drives the piezoelectric element through the individual signal line. The individual signal line is provided as many as n times (here, n is natural number of 2 or more) or more of the number of pressure chambers.
IMAGE FORMING SYSTEM AND HEAD MOVING METHOD
There is provided an image forming system including: a head; a head moving mechanism including a stepping motor; and a controller configured to: in a case where the head is moved to a first position, rotate the stepping motor until the head arrives at a first preliminary position and rotate the stepping motor by a step number S.sub.1; in a case where the head is moved to a second position, rotate the stepping motor until the head arrives at a second preliminary position and rotate the stepping motor by a step number S.sub.2; and in a case where the head is moved to a third position, rotate the stepping motor until the head arrives at a third preliminary position and rotate the stepping motor by a step number S.sub.3.
LIQUID EJECTION APPARATUS, LIQUID EJECTION HEAD, LIQUID EJECTION HEAD CONTROL DEVICE, AND LIQUID EJECTION HEAD CONTROLLING METHOD
A liquid ejection apparatus includes a liquid ejection head and a control unit that controls this head. The liquid ejection head includes ejection energy generating elements for ejecting the liquid present in pressure chambers from ejection ports, circulation energy generating elements for circulating the liquid present in the pressure chambers inside the liquid ejection head, and a unit that inputs ejection energy generating element selection signals, ejection time-division selection signals, and a circulation cycle control signal. The liquid ejection head circulates the liquid by driving the circulation energy generating element selected by the circulation energy generation element selection signal and the circulation time-division selection signal. The control unit includes a unit that generates the circulation cycle control signal such that a cycle of the circulation timedivision selection signals is equal to or longer than a cycle of the ejection time-division selection signals.