I opened two of these by mistake and put them in the black ink slot, but they haven't been used. The one in the box is new and unopened. "Canon Genuine Ink Tank BCI-381XLGY Gray (1 piece)" x 3 Canon Model Number: BCI-381XLGY Representative Color: Gray Ink/Toner Type: Genuine Number of Ink Colors: 1.0 color Series Name: Pixus (Canon) Compatible Brand: Canon Ink Type: Dye Release Date: 2018/09/06 #Canon #BCI-381XLGY #Interior/Living/Household Goods #Office Supplies