There is provided a liquid discharge apparatus including a liquid discharge head, a carriage, a cap, and a cap moving mechanism configured to locate the cap in a capping position and in an uncapping position. The cap moving mechanism has a moving member configured to move integrally with the cap in a first direction, a carriage locker, and a restraint portion configured to restrain the moving member from rotating about an axis orthogonal to the first direction. The restraint portion restrains the moving member from rotating such that when the cap arrives in the uncapping position, the rotating range of the carriage locker does not overlap with the carriage in a scanning direction.

A liquid ejection device includes an ejection head with at least one nozzle on an ejection surface, a cap, and a liquid receiver having a first side in a first direction parallel to the ejection surface and a second side opposite to the first side in the first direction. The liquid ejection device includes a movement mechanism configured to move at least one of the cap and the ejection head between states where the cap covers the ejection head and where the cap does not cover the ejection head. In the state that the cap is separated from the ejection head, the support structure supports the liquid receiver to be inclined such that the first side is positioned lower than the second side in the second direction. The liquid receiver includes an outlet disposed on the first side.

A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid, and a liquid receiving unit which receives the liquid ejected from the liquid ejecting head, in which the liquid receiving unit includes a receiving member which receives the liquid from the liquid ejecting head, a pressure chamber which can communicate with the outside through the receiving member, and a negative pressure generating mechanism which generates a negative pressure in the pressure chamber, and the receiving member is a porous member which seals the pressure chamber by being impregnated with the liquid.

A method of removing printing fluid puddles from an exterior nozzle surface of an inkjet printhead includes selectively applying a suction signal for a first time period to a plurality of actuators associated with fluid channels of corresponding nozzles by a control module. The method also includes moving printing fluid within the fluid channels associated with the actuators in response to application of the suction signal. Additionally, the method also includes creating suction in each one of the associated fluid channels and through the corresponding nozzles to remove the printing fluid puddles from the exterior nozzle surface by pulling the printing fluid puddles through the corresponding nozzles and the associated fluid channels in response to movement of the printing fluid within the fluid channels.

A maintenance method of a liquid ejection printing device includes: forming a lump of trapped liquid in a nozzle plate to cover a nozzle hole and a surrounding of the nozzle hole with ink while a printing operation on a printing medium is performed and the liquid is not ejected; and suctioning the lump of trapped liquid into an ejection channel after the forming of the lump of trapped liquid.

To provide a printing apparatus and a method for determining a service life of a cleaning mechanism, capable of more accurately determining a service life of a cleaning mechanism. For the purpose, a service life of a recovery unit is determined by multiplication of a number of times a blade wipes a face surface by a coefficient different depending on a quantity of liquid adhering to the face surface.

In some examples, a method includes, in response to a fluid firing unit being operated according to a normal printing mode, applying a first voltage to the fluid firing unit to fire the fluid firing unit during a printing operation. The method further includes determining, using a sensor, whether a predetermined condition is met, and in response to determining that the predetermined condition is met, operating the fluid firing unit according to a recovery mode in which a second voltage higher than the first voltage is applied to the fluid firing unit to clean the fluid firing unit.

The object of the present disclosure is to optimize the time necessary for filling and the ink consumption. One embodiment of the present disclosure is a printing apparatus having: a storage unit; a print head having an ejection port from which ink supplied from the storage unit is ejected; an ink supply path that connects the storage unit and the print head; a suction unit configured to perform suction at the ejection port; and a supply control unit configured to supply ink stored in the storage unit to the ink supply path and the print head by performing suction at the ejection port by the suction unit, and the printing apparatus has an acquisition unit configured to acquire information relating to ink discharge from the ink supply path and the supply control unit determines the number of times of suction by the suction unit based on the information.

The method includes: a wiping processing step of performing wiping processing on a liquid discharge surface by eccentrically rotating a wiping surface of a wiping member, including raised irregularities on the wiping surface thereof, in a plane parallel to the liquid discharge surface of a liquid discharge head and moving the wiping member in a first direction in a state in which the wiping surface is in contact with the liquid discharge surface; and a post-wiping processing purge processing step of performing post-wiping processing purge processing after the wiping processing step. An eccentric parameter as a value obtained by dividing an eccentric distance of the wiping surface by an interval between the nozzles in a second direction orthogonal to the first direction, is set to 10 or more in the wiping processing step.

There is provided a printer including: a liquid jetting head; a receiving section; a waste-liquid storing section; a connecting channel connecting the receiving section and the waste-liquid storing section; a pump; and a controller. The controller executes: printing; recovering nozzles; discharging the liquid, which is present in at least one of the receiving section and the connecting channel, to the waste-liquid storing section, after the recovering of the nozzles. Under a condition that there is no input of the print data before the discharging of the liquid, the controller executes the discharging of the liquid continuously after the recovering of the nozzles; under a condition that there is an input of the print data before the discharging of the liquid, the controller executes the printing after the recovering of the nozzles and then executes at least a part of the discharging of the liquid after the printing.