Amazon.com: greencycle Black and Color Toner Cartridges (4 Pack) Compatible for Brother TN221 TN225 Work with HL-3140CW HL-3170CDW MFC-9130 MFC-9330 MFC -9340 Printers : Office Products
Hi-Value Brand Hi-Value Brand HVB-TN221BK New Compatible Brother TN-221BK Black Toner Cartridge for MFC-9130 - MFC-9140 - MFC-9330 & MFC-9340 - 2.5K Yield (HVB-TN221BK) | Zoro
Amazon.com: Brother MFC-9340CDW 4-Color Toner Cartridge Set : Office Products
Cartridge toner's Brother MFC-9340 CDWrecambio Compatible Black Color model Brother TN-241/TN-242 - AliExpress
Replacement Cartridges for Brother MFC-9340 from Xerox