A development cartridge mountable in an image forming apparatus, the development cartridge comprising: a toner container portion configured to store toner; and a toner refilling portion configured to receive, from a toner refill cartridge mountable to the toner refilling portion , toner to be stored in the toner container portion , the toner refilling portion comprising: an inlet shutter rotatable to an inlet position at which the toner refilling portion is configured to receive the toner from the toner refill cartridge , and a shutter protrusion provided on a surface of the inlet shutter configured to, while the inlet shutter is rotated, contact an object and cause feedback indicating the inlet shutter is rotated to the inlet position; wherein the toner refilling portion further comprises a first connector to be electrically connected to the toner refill cartridge when the toner refill cartridge is mounted to the toner refilling portion , and a second connector including a circuit unit to, when the development cartridge is mounted to the image forming apparatus, transmit information about the toner refill cartridge obtained through the first connector to a controller of the image forming apparatus and to transmit information about the development cartridge obtained from the circuit unit to the controller , wherein the information about the development cartridge includes information regarding a position of the inlet shutter when the inlet shutter is rotated. a toner container portion configured to store toner; and a toner refilling portion configured to receive, from a toner refill cartridge mountable to the toner refilling portion , toner to be stored in the toner container portion , the toner refilling portion comprising: an inlet shutter rotatable to an inlet position at which the toner refilling portion is configured to receive the toner from the toner refill cartridge , and a shutter protrusion provided on a surface of the inlet shutter configured to, while the inlet shutter is rotated, contact an object and cause feedback indicating the inlet shutter is rotated to the inlet position; wherein the toner refilling portion further comprises a first connector to be electrically connected to the toner refill cartridge when the toner refill cartridge is mounted to the toner refilling portion , and a second connector including a circuit unit to, when the development cartridge is mounted to the image forming apparatus, transmit information about the toner refill cartridge obtained through the first connector to a controller of the image forming apparatus and to transmit information about the development cartridge obtained from the circuit unit to the controller , wherein the information about the development cartridge includes information regarding a position of the inlet shutter when the inlet shutter is rotated. an inlet shutter rotatable to an inlet position at which the toner refilling portion is configured to receive the toner from the toner refill cartridge , and a shutter protrusion provided on a surface of the inlet shutter configured to, while the inlet shutter is rotated, contact an object and cause feedback indicating the inlet shutter is rotated to the inlet position; wherein the toner refilling portion further comprises a first connector to be electrically connected to the toner refill cartridge when the toner refill cartridge is mounted to the toner refilling portion , and a second connector including a circuit unit to, when the development cartridge is mounted to the image forming apparatus, transmit information about the toner refill cartridge obtained through the first connector to a controller of the image forming apparatus and to transmit information about the development cartridge obtained from the circuit unit to the controller , wherein the information about the development cartridge includes information regarding a position of the inlet shutter when the inlet shutter is rotated. <EOS>