Products Description Chip :Reset Chip,Applicable to the latest firmware version.Universal chip for HP 972-975 cartridge number Tank :easy to refill ink Noted:We suggest don't update the printer firmware.After -Sale: If you are not satisfied with the product, please contact us within 24 hours. We support returns and exchanges Brand YXSM Product Name CISS Empty Cartridge with auto reset chip Suit For Printer For HP Pagewide ,PageWide Managed P55250dw/P57750dw Ink type For HP 913 Chip Type Reset Chip MOQ 1 set Volume BK:1200ML CMY:900ML Certification MSDS, ISO, SGS Payment Way Credit Card, Paypal,TT,Western Union shipment Way DHL, Fedex ,UPS, TNT Recommend Products For HP 973 973XL Compatible Ink Cartridge For HP PageWide 352dw 377dw 452dw 452dn 477dw 477dn 552dw 577dw z P55250dw