The High Capacity Black Toner Cartridge from Dell is designed to work with the Dell Laser Printer 1720/1720dn. It produces high resolution printouts with impressively sharp images and text. This cartridge features a capacity of up to 6000 pages. The cartridge also supports Dell\'s Toner Management System for low toner detection and easy online ordering. With our environmentally friendly \'Use & Return\' recycling option you receive a free, easy return label in each \'Use & Return\' recycling box. This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.