Phaser 3635MFP High Capacity Toner - United States Toner brand Compatible Toner Cartridge for use in Xerox Phaser 3635MFP Printers, 10,000 page yield. Extended Warranty only available when purchased through United States Toner direct. Accept no substitutes! High Quality American Produced United States Toner Cartridge High Capacity, up to 10,000 pages STMC Certified by United States Toner 100% guaranteed Clear, Precise Black Printing page after page