This is a brand - new Dell S5840Cdn cyan toner with a 6K yield. Ideal for high - volume printing needs, it offers consistent and high - quality color output. The return program ensures environmental friendliness.

Using this Dell S5840Cdn cyan toner is easy. First, turn off your printer and open the toner compartment. Remove the old toner cartridge carefully and insert the new cyan toner. Make sure it's properly seated. When printing, keep the printer in a cool, dry place to get the best results. If you notice any streaks or color issues, try gently shaking the toner cartridge to redistribute the powder. For long - term use, store the toner in its original packaging in a cool area. Remember to recycle the used cartridge through Dell's return program to help protect the environment.