Patent ID: 10082758

Abstract:
A developer case (10) according to the present invention includes a case main body (30) and an RF tag (36, 37). The case main body (30) contains developer and is attached to an apparatus main body (2, 71) which includes a communication device (14). The RF tag (36, 37) is arranged at the case main body (30) and makes wireless communication with the communication device (14) within a communicable area (A1, A2) around the communication device (14). The case main body (30) includes a plurality of attachment parts (41a, 41b) opposed to the communication device (14) in a state where the case main body (30) is attached to the apparatus main body (2, 71). The RF tag (36, 37) is arranged at one of the plurality of attachment parts (41a, 41b) according to the communicable area (A1, A2) unique to the RF tag (36, 37).