Developing cartridge and image forming apparatus

The invention discloses a developing cartridge and an image forming apparatus. A second unit includes a restricted portion in contact with a restricting portion provided in the apparatus main body, the restricting portion being in contact with the restricting portion to restrict movement of the developer carrier in a direction in which the developer carrier is in contact with the image carrier when the developing cartridge does not reach the predetermined attachment position, and not being in contact with the restricting portion when the developing cartridge is in the predetermined attachmentposition. 公开了显影盒和图像形成装置。第二单元包括与设置于装置主体的限制部接触的受限部，限制部与受限部接触，以在显影盒没有到达预定附接位置时限制显影剂载体在与图像载体接触的方向上的移动，并且当显影盒处于预定附接位置时不与限制部接触。