Brother INKvestment LC406XLBK Original High Yield Inkjet Ink Cartridge - Single Pack - Black - 1 Each Fan Kit K-slot for security lock &

K-slot for security lock & holes for optional mounting bracket

Uses latches instead of screws for easier installation

Lexmark Printer T640n

Low prole switches

Brother INKvestment LC406XLBK Original High Yield Inkjet Ink Cartridge - Single Pack - Black - 1 Each Fan Kit K-slot for security lock &Brother INKvestment LC406XLBK Original High Yield Inkjet Ink Cartridge Single Pack Black 1 Each INKvestment Tank Ink Cartridge produces high quality, sharp prints with vivid colors that withstand the test of time. It intelligently engineered to work seamlessly with your Brother INKvestment Tank inkjet printer to deliver outstanding results and reliable performance in your Brother Color Inkjet All in One Printers MFC J4335DW, MFC J4345DW XL, MFC