A pagewide printhead for printing redundantly in four colors. First and second rows of printhead chips are mounted on a common ink manifold having four ink supply channels for supplying four colors of ink to the first and second rows of printhead chips. Dedicated ink outlets interconnect one ink supply channel of the ink manifold with a pair of redundant nozzle rows in each printhead chip.

A liquid cartridge configured to be inserted in a frontward direction to a printer includes: a housing; a liquid supply portion; a circuit board; a plate; and a detection portion. The circuit board includes an electrode group facing upward in an upright posture of the liquid cartridge. The electrode group includes a first electrode, a second electrode, and a third electrode for grounding. The first to third electrodes are arrayed in a lateral direction crossing the frontward direction and a gravitational direction such that the third electrode is positioned between the first and second electrodes. In the upright posture of the liquid cartridge, the plate and the detection portion are respectively positioned upward and rearward relative to the circuit board. Each of the third electrode and an upper portion of the plate is positioned a datum plane extending in the frontward direction and in the gravitational direction.

A liquid discharge apparatus includes an apparatus body, a liquid discharge device configured to discharge a liquid, a carriage in the apparatus body, the carriage configured to movably mount the liquid discharge device, a first storage container detachably attached to the carriage, the first storage container configured to store a first liquid, and a second storage container detachably attached to the apparatus body, the second storage container configured to store a second liquid different from the first liquid.

A liquid cartridge includes a valve mechanism including a pressed member configured to be movable in a predetermined depressing direction, a valve element for a communicating hole, a biasing member that biases the valve element, and a switching mechanism that restricts a movable range of the pressed member, and that switches a range of restricting the movable range. The valve element closes the communicating hole with a first depressing amount, and maintains the closed state under a second depressing amount. The restricting portion has a first restricting portion that restricts the movable range to a first movable range, and a second restricting portion that restricts the movable range to a second movable range. The switching mechanism switches the movable range from one to another of a first restricting state by the first restricting portion and a second restricting state by the second restricting portion.

An ink cartridge includes a main body, a head part, a first hole, a label, and a second hole. The main body stores ink. The head part is provided on the main body and has a plurality of nozzles for ejecting ink. The first hole has a tapered shape which narrows from an outer side toward an inner side of the main body, and a needle for supplying ink to the main body is inserted into the first hole. The label in a film shape is attached to the main body. The second hole is provided at the label and overlaps the first hole in a plan view of the label. The second hole guides the needle to the first hole when the needle is inserted.

An information processing apparatus performs setup processing of a first apparatus connected to the information processing apparatus; acquires setup data used in the setup processing and indicating a setup operation of the first apparatus from a second apparatus different from the first apparatus; determines whether display concerning the setup operation can be performed using the acquired setup data; and, if it is determined that the display concerning the setup operation can be performed, the display concerning the setup operation is performed by predetermined program, if it is determined that the display concerning the setup operation cannot be performed, predetermined processing for allowing a user to refer to other medium except for the predetermined program is performed. The other medium is for presenting information concerning the setup operation.

A ROM unit mounted to a bottle has a plurality of terminal plates on the front end surface of the ROM unit. The ROM unit is movable in a direction orthogonal to a bottle axis Ax, and can be positioned at a retreat position where an interference with a contamination preventing eaves is avoided, and a contact position projected more front than the retreat position. The terminal plates can be electrically contacted with reservoir terminals when positioning at the contact position.

A liquid ejecting apparatus includes an attachment section to which a liquid storage container having a storage chamber storing a liquid and a communication path communicating with the storage chamber is attached, and a liquid ejecting head configured to eject the liquid from nozzles. The attachment section includes an inlet through which the liquid from the attached liquid storage container flows, a protrusion having a connection port, a seal provided around the protrusion, and an air communication path communicating with the connection port and an air communication port that communicates with the air. The connection port enters the communication path of the attached liquid storage container, and the seal comes into contact with the liquid storage container attached to the attachment section.

Aspects of the disclosure provide an electronic device comprising a controller. The controller to determine a volume of print fluid in a first tank of the electronic device, monitor current printing conditions of the electronic device disposing print fluid on a substrate, determine, based on the volume of print fluid and the current printing conditions, whether an adverse printing condition exists, responsive to the volume of print fluid being less than a threshold and the adverse printing condition not existing, control a pump to refill the first tank from a second tank at a flow rate determined at least partially according to the determined volume, and responsive to the volume of print fluid being less than the threshold and the adverse printing condition existing, control the pump to refill the first tank from the second tank at a default flow rate determined independent of the determined volume.

An inkjet printer includes a printer body and an ink container provided in the printer body. The ink container includes an ink containing portion, a frame portion and a cover portion. A top portion of the ink containing portion includes a port. The cover portion is pivotally connected to the frame portion and pivotable between an opened position, in which the port is exposed, and a closed position, in which the cover portion covers the port, with respect to the frame portion. The cover portion includes a sealing member provided corresponding to the port on an opposing surface of the cover portion. When the cover portion is in the closed position, the sealing member seals the port, and when the cover portion is in the opened position, the sealing member is separated from the port.