A genuine Xeroc 106R03873 cyan toner cartridge like the one you see here offers an unbeatable quality of print and is quite simply the best option for your laser printer. You will find the genuine Xerox 106R03873 to be compatible with the Xerox VersaLink C500 and C505 colour laser printers..Xerox are known for creating some of the very best consumable toner cartridges on the market and this 106R03873 cyan toner cartridge is another fine addition to their existing range. However, Xerox still fully guarantee this 106R03873 and estimate that it will give you around 9,000 prints (@5% average page coverage).