Get the new COPYSTAR CS550C TK879 SD black toner with a high 73k yield. Ideal for your printing needs.

Using this Copystar black toner is easy. First, make sure your printer is turned off. Open the toner compartment and gently remove the old toner cartridge. Then, take out the new Copystar CS550C TK879 SD black toner from its packaging. Shake it a few times to evenly distribute the toner inside. Carefully insert the new toner into the compartment until it clicks into place. Close the compartment and turn on your printer. For best results, keep the toner in a cool and dry place. Avoid exposing it to direct sunlight or extreme temperatures. Also, don't touch the toner outlet to prevent any blockages. When the toner starts to run low, you can replace it with a new one following these same steps.