Compatible Toner Cartridge Replacement forXerox VersaLink C600/C605 Part Number106R03903 Black Page Yield (at 5% coverage A4)High Capacity 12,200 pagesTips(Easy to install):Step 1:Open the front door of the printer.Step 2:Grasp the handle of the cartridge and remove the used toner cartridge.Step 3:Shake the new toner cartridge 5-6 times to spread the toner.Step 4:Align the toner cartridge with its slot on the shelf, and then insert the toner cartridge into the printer. Then, close the front door.