Note: this cartridge CHIP solely can used on US / AU printer
Compatible forink cartridge units : T812XL 812XL 812
Compatible forprinter models: WorkForce WF-7840, WorkForce WF-7845, WorkForce WF-7830,
WorkForce Pro WF-4830, WorkForce Pro WF-4835, WorkForce Pro WF-3820, WorkForce Pro WF-3825,
For Epson WF-7840 For Epson WF-7820 For Epson EC-C7000 For Epson WF-7310
Warranty : we offer 100 percent Guarantee on our product and agree 1:1 alternative or refund for defective items
Chip : One time use chip,single use chip, cartridge chip
What's in Package : as pic show