Please according to the model of the original ink cartridge to purchase (previously used cartridge model) , don't directly according to the printer model,because the same printer model, different regions may use different cartridge model.If you any doubts, please contact us for advice in time.Thank you! Cartridge Model : LC421XL Compatible brands: Brother Ink capacity : Bk 15ml C M Y 10ml Ink type: Dye ink Whether the chip is included: Yes Page Yield : Bk 500 pages, C M Y 500 pages (at A4 Format, 5% Coverage ) The order includes: 1x Black LC421XL Ink Cartridges With chip 1x Cyan LC421XL Ink Cartridges With chip 1x Magenta LC421XL Ink Cartridges With chip 1x Yellow LC421XL Ink Cartridges With chip Compatible printers: For Brother DCP-J1050DW MFC-J1010DW DCP-J1140DW Printer Features: 1: High yields for affordable high-volume printing.Same volume with original volume, make large printings. 2: Fast-drying pigment ink designed for high-speed print jobs. 3: Sharp text for professional-quality results.Any Question. 4: What's type of this ink bag?It is one time use ink bag with one time use chip and fast dring pigment ink.Could install and printing directly. 5: What's the ink inside, does it print good?The ink bag refill with fast dring that sepelized for this model. Price lower thanorigianl while good priting. Make priting more cost-effect. 6:If the chip different with us, our ink bag cann't using on your printer even printer model same.