Canon Genuine BJ Cartridge Set ・Canon BCI-10 x 4 (Sold individually possible) Production ended in 2009. Please be aware that the product itself has passed the manufacturer's recommended installation deadline, although it has been stored in a dark place. I believe that new, unopened genuine cartridges that still exist are valuable. Amazon reference price as of 2023.09.13 BC-10: 7980 yen BCI-10: 6466 yen IJ ink shape: Monochrome type Inkjet cartridge type: Ink cartridge Recycling: Non-recyclable Ribbon printing method compatibility: Inkjet compatible Compatible printer maximum output paper size: Under A2 Compatible manufacturer name (main): CANON Genuine/compatible type: Genuine Box has stains.