This cartridge prints up to 620 pages with mess-free thermal ink technology. As a genuine Panasonic replacement from the Panafax supplies range, it ensures unparalleled quality & reliability compared to unofficial cartridge refills. Thermal film for Panasonic fax machines High quality film for crisp fax output Easy to install Genuine Panasonic product for unparalleled reliability Designed for Pana Fax KX-F1100E Page Yield: 620