405XL T405 ARC Chip Ciss System 405 Compatible Epson WF-3820 WF-4820 WF-4830 WF-7830 WF-7835 WF-7840 WF-7310 EC-C7000 PrinterProduct name: T405XL T405 CISS, empty ciss ink cartridgeInk cartridge model: T405 T405XL CISSPrinter model: Compatible Epson WF-4830 WF-4820 WF-3820 WF-7830 WF-7835 WF-7840 WF-7310Chip type: Auto reset chip, take the cartridge out then put in, chip will reset automaticallyRemark: Only for European version original ink cartridges model number is 405 printers
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