Thank you for viewing! This is refill ink. Canon genuine BC-310 and BC-311 cartridges. After thorough cleaning, they have been refilled with new genuine Canon ink, and this is a set of black and color cartridges. We do not offer trade-ins for empty cartridges. We have set a low price from the beginning, considering the market value of empty cartridges (equivalent to 400 yen). Although the ink level indicator will not function, you can use them as usual with a simple procedure. * The cartridges are not compatible products, but always genuine products (virgin cartridges). * Please refrain from purchasing if you are seeking perfect color matching or are overly concerned about details. * Instructions for each model and printing examples will be included. Compatible models → iP 2700 MP 270 MP 280 MP 480 MP 490 MP493 Shipping will be via Kuroneko Yamato (Takkyubin Compact). ● Due to the set price being the lowest possible, we cannot negotiate discounts. ● Please note that we cannot answer questions regarding each model (PC, printer, etc.), OS, or software. Thank you for your understanding. Shipping will be via Yamato Transport. Thank you.