Amazon.com: Brother TN350 Toner Cartridge - Black : Office Products
HP 350 Toner Cartridge, For Printer
ABCToner - Compatible Toner For Kyocera TK-350 For FS-3040 MFP FS-3040MFP Plus FS-3140 MFP FS-3140MFP Plus FS-3540 MFP FS-3640 MFP FS-3920 FS-3920DN by ABC