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 : 711XLCompatible brands: HPInk capacity : Bk 80ml Color 27mlInk type: Dye-based InkWhether the chip is included: YesThe order includes:1x Black 711XL Ink Cartridges With chip1x Cyan 711XL Ink Cartridges With chip1x Magenta 711XL Ink Cartridges With chip1x Yellow 711XL Ink Cartridges With chipOEM CodeCZ133A-711XL BlackCZ130A-711XL CyanCZ131A-711XL MagentaCZ132A-711XL YellowCompatible printers:For HP DesignJet T120 24-in PrinterFor HP DesignJet T520 24-in PrinterFor HP DesignJet T520 36-in PrinterFeatures: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 cos