duston 2x TK1170, TK-1170 black toner compatible with Kyocera ECOSYS M2040dn M2540dn M2640idwContents of the toner cartridge approx. 7200 pages DIN A4 with 5% coverage Compatible with Kyocera ECOSYS M2040dn M2540dn M2640idw High quality of products guarantees effective and trouble free work The warranty is valid until all usable toner in the laser print cartridge has been used up In each toner, the photosensitive roller, small scraper, magnetic roller and entire toner storage are exchanged, which ensures high print quality and blackening