For use with P310, P310i, P320, P330i, P330m, P420, P420i, P430i, P520 and P520i Zebra ID card printers (set of 5). The cleaning cartridge incorporates this adhesive roller that clean cards as they pass over the roller to ensure the highest quality print on each card. Periodic replacement of the adhesive roller and general cleaning will help to maintain optimal performance of your card printer. Zebra recommends cleaning the card printer every 1,000 cards and replacing the cleaning roller of the cleaning cartridge every 1,000 cards if used daily. If printer is used periodically, replace cleaning roller at least every 4 months. For further cleaning instructions and recommendations refer to printer User's Manual.