Dell have been producing their own toner cartridges for many years and the M3TD7 is one of their best efforts to date. This original 593-BBCS cyan toner cartridge is only compatible with the Dell C5765dn, so be sure you are ordering the correct cartridge for your machine.The genuine Dell M3TD7 offers users an estimated 12,000 prints before it needs replacing. The estimated page yield of the 593-BBCS has been calculated by Dell based on an average page coverage of 5% cyan toner powder.