duston 3020, 106R02773 Black Toner Compatible with Xerox Phaser 3020 3025 3025NIContents of the toner cartridge approx. 1500 pages DIN A4 with 5% coverage Compatible with Xerox Phaser 3020 3025 3025NI 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