Liquid discharge device
AssigneeBrother Kogyo Kabushiki Kaisha
InventorTaichiro KIMOTO
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Abstract
A liquid discharge device includes a tank configured to store a liquid, a head having a plurality of nozzles forming a plurality of nozzle rows, a first sensor configured to output a first signal when a liquid level of the liquid is at or above a first position and to output a second signal when the liquid level is below the first position, and a controller configured to: based on receiving the first signal after receiving the second signal, perform a first maintenance on a part of the nozzle rows of the head; in a case a predetermined condition is satisfied after performing the first maintenance, perform a second maintenance on remaining nozzle rows of the head; and after performing the first and the maintenances, control the head to discharge the liquid from the plurality of nozzles.
Claims8
A liquid discharge device comprising:
- a tank configured to store a liquid;
- a head having a plurality of nozzles configured to discharge the liquid supplied from the tank, the plurality of nozzles forming a plurality of nozzle rows arranged in a first direction;
- a first sensor configured to output a signal in accordance with a liquid level of the liquid stored in the tank or of a cartridge supplying the liquid to the tank, the first sensor being configured to:
- output a first signal in a case the liquid level is at or above a first position;
- and
- output a second signal in a case the liquid level is below the first position;
- and
- a controller configured to:
- based on receiving the first signal after receiving the second signal from the first sensor, perform a first maintenance on a part of the nozzle rows of the head;
- in a case a predetermined condition is satisfied after performing the first maintenance, perform a second maintenance on remaining nozzle rows of the head;
- and
- after performing the first maintenance and the second maintenance, control the head to discharge the liquid from the plurality of nozzles onto a sheet.
Dependencies are inferred from the claim text.