The Canon GPR-51 Toner Set includes genuine OEM cartridges in yellow, magenta, cyan, and black colors. Specifically designed for the Canon imageRUNNER ADVANCE C250if model, these laser print technology cartridges ensure high-quality and consistent printing results. With the trusted Canon brand, this toner set is a reliable choice for those looking to maintain the performance of their printer while achieving vibrant and professional-looking prints.