A hand held personal digital assistant including: memory for storing information; a display; a pagewidth print head; a processor for processing information to generate dot data and supply it to the printhead; a receptacle including an ink interface, the receptacle being configured to receive a cartridge containing at least one ink, the ink being supplied to the printhead via the ink interface; a user interface configured to enable; retrieval of the information from the memory for display on the display; printing of the displayed information; and input of further information for storage, display and printing.