duston 2x MLTD1052L, MLT-D1052L black toner compatible with ML-1910 1915 2525 2580N SC-4623FW SCX-4600 4623F 4623FN SF-650Contents of the toner cartridge approx. 2500 pages DIN A4 with 5% coverage Compatible with ML 1910 1915 2525 2580N SC 4623FW SCX 4600 4623F 4623FN SF 650 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