When purchasing toner cartridges produced by Lexmark themselves, like the B342H00, you are also getting the peace of mind that there is no more reliable consumable for any compatible machine. Each genuine Lexmark B342H00 offers the very highest quality of print too, meaning you can use the toner with confidence for the 3,000 page estimated prints.Lexmark guarantee the B342H00 directly, showing the confidence they have in this product and any other consumable they manufacture for your printer. You can use the original B342H00 in any of the printers found listed on this page, including the MB3442adw.