A multifunction handheld inkjet printer provides a convenient solution for businesses that need portable batch numbering and product identification. Its compact design allows operators to move easily between production areas, packaging stations, storage rooms, and dispatch locations. The printer can be useful for marking batch numbers, production codes, dates, lot references, and other identification information directly onto suitable product surfaces or packaging. Because it is handheld, users can position the print head where required instead of depending on a fixed conveyor system. This flexibility can support small businesses, workshops, warehouses, food packaging operations, and manufacturing environments that require quick and organized product coding.