RICOH C840S toner cartridge, easy to handle. - Brand: RICOH - Model: C840S - Product Type: Toner Cartridge - Color: Magenta In case of a defective product, we will exchange it if we have stock, or provide a refund if we don't, within one week of the product's arrival. (We manage by lot number, so return of the product is required.) Thank you for viewing.