Estimated page yield: Black:36000 pages per cartridge at 5% coverage (Letter, A4)7 C257iF C357iF Printer.
Compatible with print models:Xerox Altalink B8170 B8155 B8145 Printers.
Worry-free Service: If the product quality problems saiboya provides free return service, please carefully check whether the code data is consistent before purchase, saiboya provides lifelong technical support. All messages will be replied within 24 hours, and our customer service team will be happy to serve you.