Controlling toner refill by using toner refill cartridge

A toner refill method using a toner refill cartridge, the toner refill method comprising:

• connecting a toner refill cartridge to an image forming apparatus through a communicating portion of a main body of the image forming apparatus;
• obtaining authentication information from the toner refill cartridge;
• and
• performing a toner refill operation using the toner refill cartridge based on the authentication information obtained from the toner refill cartridge matching authentication information obtained from the image forming apparatus, wherein the authentication information obtained from the image forming apparatus includes authentication information previously received from the toner refill cartridge during an initial refill operation and stored in the image forming apparatus based on an initial connection by the image forming apparatus to the toner refill cartridge and genuine product authentication of the toner refill cartridge by the image forming apparatus.

A non-transitory computer-readable recording medium having recorded thereon instructions executable by a processor, the non-transitory computer-readable recording medium comprising:

• instructions for connecting a toner refill cartridge to an image forming apparatus through a communicating portion of a main body of the image forming apparatus;
• instructions for obtaining authentication information from the toner refill cartridge;
• and
• instructions for performing a toner refill operation using the toner refill cartridge based on authentication information obtained from the toner refill cartridge matching authentication information obtained from the image forming apparatus, wherein the authentication information obtained from the image forming apparatus comprises authentication information previously received from the toner refill cartridge during an initial refill operation and stored in the image forming apparatus based on an initial connection by the image forming apparatus to the toner refill cartridge and genuine product authentication of the toner refill cartridge by the image forming apparatus.