Caire(TM) Premium Compatible Dell E525W Toner Cartridge (MYCK=4 packs) Extra high [Black 2,000 | Color 1,400] page yield, to minimise your downtime and service calls and drive your printer to maximum productivity. If there is still toner in your cartridge, the last page will look as good as the first! Quality tested to compete or exceed OEM toner cartridges. Compatible with laser printers: Dell E525, Dell E525W Consistent Crisp output with Sharp Lines, Solid Shades, and Smooth Edges; Extended '2 Year 100% Quality Satisfaction' Guarantee