HP Q2344A is an original black printhead cartridge for compatible printing equipment. It is also identified by part number 1918, making it straightforward to recognize as the cartridge described for HP Address Printer and Thermal InkJet 2.5 systems.
The cartridge contains 40 ml of black ink for printing tasks that use this cartridge. Its printhead-cartridge format combines the ink supply with the printhead in one replaceable item. This description concerns the Q2344A variant specifically.