An image forming apparatus is disclosed. The image forming apparatus includes a print engine to perform a printing job using toner filled in a toner cartridge, a communicator to communicate with a memory chip attached to a toner refill apparatus which refills the toner cartridge with toner, a memory to store group information corresponding to a plurality of image forming apparatuses for sharing the toner refill apparatus, and a processor to determine whether or not the toner refill apparatus is usable based on information stored in a memory chip of the toner refill apparatus and group information stored in the memory.