This is a brand - new Canon Imageclass Mf212W black toner. The CRG137 SD model offers a high yield of 2.4K, ensuring long - lasting use and sharp, clear prints. Ideal for both home and office needs.

Using this Canon toner is easy. First, make sure your printer is turned off. Open the toner compartment, remove the old toner, and then carefully insert the new CRG137 SD black toner. Close the compartment and turn on your printer. When it comes to maintenance, store the toner in a cool, dry place away from direct sunlight. If you notice any issues with print quality, gently shake the toner cartridge to redistribute the powder. Always follow the printer's instructions for the best results.