Image forming apparatus

An image forming apparatus configured to form toner images on a recording sheet, comprising:

• a chassis;
• a plurality of photosensitive members configured to be stored in the chassis and to carry the toner images;
• an intermediate transfer belt unit including an endless belt, the endless belt being configured to roll in a predetermined rolling direction, being arranged to have a surface thereof facing the plurality of photosensitive members, and being configured to have the toner images on the plurality of photosensitive members transferred onto the surface;
• a sheet feed tray configured to store the recording sheet;
• a first feeding path extending from the sheet feed tray to the endless belt;
• a second feeding path arranged in between the sheet feed tray and the endless belt, the second feeding path being merged into the first feeding path and configured to convey the recording sheet therein;
• a cleaner device comprising a cleaning element, which is configured to contact the endless belt, and a housing, which is configured to hold the cleaning element, the housing having an outlet;
• and
• a waste toner container installable in and removable from the chassis, the waste toner container comprising a first part and a second part, the first part comprising a joint portion and being arranged on an upper side relative to a part of the second feeding path, the second part being arranged on a lower side relative to the second feeding path,
• wherein, when the waste toner container is installed in the chassis, the joint portion of the waste toner container communicates with the outlet of the cleaner unit.