Cartridges Unlimited’s Compatible Laser Toner Cartridges and supplies for Canon IP1900 are designed to offer best print performance, dependability and consistent yields that meet or surpass Canon OEM (Original Equipment Manufacturer) specifications for the Canon IP1900 and offer high-quality output. These compatible toners are brand new and are a smart alternative to high-cost OEM Canon laser toner cartridges, offering substantial savings over the Canon IP1900 supplies.