This is a brand-new Dell 7130Cdn (61Nnh) high-yield yellow toner with a 20K yield. Dell is a well - known brand, and this toner ensures high - quality printing.

Using this Dell 7130Cdn yellow toner is easy. First, make sure your printer is turned off. Open the toner compartment, remove the old toner, and then insert this new high - yield yellow toner carefully. Close the compartment and turn on the printer. When using, keep the printer in a dry and clean place. Avoid exposing the toner to direct sunlight or high - humidity environments. For maintenance, if the print quality starts to decline, you can try to clean the printer head gently with a soft cloth. If you have any other questions, feel free to contact Dell's customer service.