Small businesses can benefit from the convenience of a 12.7mm printing cartridge used with a compatible handheld inkjet printer. It provides an affordable and flexible way to mark products without requiring a large industrial printing system. Users can print dates, product codes, batch numbers, text and other supported information. Cartridge replacement is straightforward, making it practical for regular business operations. It can be used by small manufacturers, retailers, workshops, packaging businesses, warehouses and entrepreneurs handling customized or short-run product packaging.