ELECOM For Canon Refill Ink Dedicated Resetter Compatible Cartridges: 321, 320 Since I don't have a printer, I haven't been able to confirm its operation. Please be aware of this. It's old. It shows signs of use, and there is damage such as stains on the main unit, instruction manual, and box. Please refrain from purchasing if you are sensitive, nervous, concerned about minor details, or seeking a perfect new item. Please understand that the operation has not been confirmed and that it is a used item before purchasing. ☑︎ Simple packaging using recycled materials, etc. ☑︎ Yu-packet Post delivery. ⚠️ The box will be folded compactly. Please understand.