The High Capacity Magenta Toner Cartridge from Dell™ is designed to work with the Dell Laser Printer C37XX. It produces high resolution printouts with impressively sharp images & text. This cartridge features a capacity of up to 5000 pages. The cartridge also supports Dell's Toner Management System for low toner detection & easy online ordering. This product has been tested & validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system.