The 055 H toner cartridge is designed to maximize the potential and print quality of compatible i-SENSYS laser printers. This cartridge has a high yield and is ideal for very busy offices with a demanding workload, holding more than twice the standard 055 cartridge. The all-in-one design and easy installation allow any member of staff to fit a new cartridge when it?s needed and the cartridge itself is fully RoHS compliant and the packaging is fully recyclable.