Patent ID: 7526236

Claim:
A waste developer collecting device (i) which is included in an image forming apparatus including a plurality of developing devices which respectively carry out development processes with a black developer and a plurality of developers other than the black developer, the developers containing toner and carrier and (ii) which collects waste developers used in and discharged from the developing devices, comprising: a first collecting container for collecting the developer discharged from the developing device that carries out development with a black developer; a second collecting container for collecting the developer discharged from at least two of the developing devices that carry out development with developers other than the black developer; and a collecting container fixing section for fixing the first and second collecting containers to cause the collecting containers to be positioned so that the collecting containers are able to collect the developers discharged from the developing devices, the second collecting container being provided at a specific fixed position by the collecting container fixing section so that the second collecting container is able to collect the developers discharged from at least two or more of said plurality of the developing devices which respectively carry out the development processes with the developers other than the black developer.