Compatible with Dell 1720 and 1720DNReduces costs maintains quality and helps the environment by using premium empty toner cartridgesMeets or exceeds OEM performanceUse of new long life drum vs. refinished drumLab-tested ponents each batch tested and scientifically matched for every cartridgeDigital auto filling of toner precise toner fill rates guarantees optimum yield and performanceProduct type: toner cartridgeMachine type: laser printerBlackPage yield: 6000