RICOH MP Toner C2503, 4-color set. - Brand: RICOH - Model: MP Toner C2503 - Colors: Black, Cyan (2), Magenta, Yellow (2) - Quantity: Set of 6 In case of defective products, we will exchange them if we have stock, or provide a refund if we do not, within one week of the product's arrival. (We manage by lot number, so return of the product is required.) Thank you for viewing.