Product Description Designed by Canon engineers and manufactured in Canon facilities, GENUINE supplies are developed using precise specifications, so you can be confident that your Canon device will produce high-quality results consistently. Canon GENUINE Toner S35 Black yields approximately 3,500 pages, ISO/IEC standard. Amazon.com Keep your Canon imageClass D320 or D340 personal digital copier running smoothly with the S35 replacement toner cartridge. Producing crisp black output, the S35 will keep your machine working the way it was meant to. And, with its easy-to-install design, replacement is simple and hassle-free.