If you are looking to run the Xerox Phaser 4600 (or any other compatible printer) with a genuine product, then the 106R01533 black toner cartridge is for you. This original Xerox 106R01533 toner cartridge is estimated to offer 13,000 top quality prints, making it great value.Produced by the same folk that are responsible for your printer, the Xerox 106R01533 toner cartridge works flawlessly. Although the genuine Xerox 106R01533 toner cartridge comes fully guaranteed, issues are so rare that it is there for your peace of mind more than anything else.