Compatible XEROX 3100 Black Toner Cartridge - Global Ink
Amazon.com: Laser Tek Services Compatible High Yield Toner Cartridge Replacement for Xerox 3100 106R01379 Works with Xerox Phaser 3100MFP Printers (Black, 1 Pack) - 4,000 Pages : Office Products
Xerox 106R01379 Refill Kit Black (4.000 pages) for Phaser 3100 (Toner + Card) - SmarToner.gr
Amazon.com: Toner Compatible Toner Cartridge Replacement for Xerox Phaser 3100 High Yield 3100 for Xerox Phaser 3100 3100MFP Printer,Yields Up to 4000 Pages Work Efficiently Black : Office Products