Patent attributes
An ink-jet printer that includes: a carriage on which a recording head having nozzles for discharging ink and a buffer tank for supplying the ink to the recording head are mounted; an exhaust valve provided on an exhaust path for exhausting air in the buffer tank to the outside; an attaching unit disposed outside the carriage and at a height lower than the recording head, to which the ink cartridge is detachably attached; an ink flow passage having one end portion to which the ink cartridge to be attached to the attaching unit is detachably connected, for supplying the ink in the ink cartridge to the buffer tank. The ink in the ink flow passage moves to the side of the ink, due to the head difference between the buffer tank and the ink cartridge, by opening the exhaust valve when the ink cartridge is attached to the attaching unit.
