These are safe and reliable pigment black ink cartridges that use colorants equivalent to the genuine product (*^-^*) Are you being fooled by the cheap inks flooding the market or the cheap inks you usually use?? Are you buying cheap dye-based BK inks, where the product description doesn't even specify the colorant used? Ink Kakaku-Ou offers genuine-equivalent pigment BK inks at industry-leading low prices. Our strength lies in direct negotiations with the production factory and bulk purchasing, without having employees or external warehouses, enabling us to offer price-busting deals and pass the savings on to our customers (*^-^*) No need to meticulously research, worry, or compare with other companies' products! We offer confident prices and quality (^O^)／ If sold out, Click here for #INVENTORY ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ Compatible Cartridges MUG-4CL Genuine Compatible Part Numbers MUG-BK (Black) ※With IC chip Compatible Printer Models EW-052A EW-452A This is a 4-color set and is a great value!! Equipped with the latest IC chip and remaining ink level detection function. ※Notes※ ・Please check the notes in the profile before purchasing. ・This product is not a genuine product. ・Depending on the printer model, a message such as "This is not a genuine product" may appear. This is not a defect; you can use it without any problems by selecting "Use". mug single ink #MUG4CL #MUGBK #MUGC #MUGM #MUGY #Compatible #InkCartridge #MED4CL #MEDBK #MEDC #MEDM #MEDY #Genuine #4988617361720 #InkKakakuOu #EW052A #EW452A #EW056A #EW456A #PointConsumption #FreeShipping #300