Image forming apparatus

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

• a chassis having an opening, the opening being formed on a first side of the chassis;
• a drawer configured to hold a plurality of photosensitive members therein in line and to be slidably installed in the chassis through the opening and movable between a first position and a second position in the chassis, the plurality of photosensitive members being configured to carry toner images;
• an intermediate transfer belt unit including an endless belt, the endless belt rolling in a predetermined rolling direction and having a surface which faces the plurality of photosensitive members and being configured to have the toner images on the plurality of photosensitive members transferred onto the surface in cooperation with a plurality of primary-transfer members;
• a secondary-transfer roller arranged on a second side opposite from the first side within the chassis and configured to transfer the toner images on the surface of the endless belt onto the recording, sheet;
• a first feed roller arranged in a vicinity of the second side and configured to convey the recording sheet toward the secondary-transfer roller;
• a cleaner device arranged in a position between one of the plurality of photosensitive members being in a most upstream position along the predetermined rolling direction of the endless belt and the second transfer roller, and configured to collect residual toner from the surface of the endless belt and convey the collected residual toner toward an outer side of the endless belt along a widthwise direction;
• a waste toner container configured to be removably installed in the chassis and to store the residual toner collected by the cleaner device;
• a connector arranged on the outer side of the endless belt along the widthwise direction and connected to the cleaner device, and to which the waste toner container is detachably attached, the connector being configured to convey the residual toner collected by the cleaner device to the waste toner container;
• a first feeding path configured to extend in a range between the first feed roller and the secondary-transfer roller;
• and
• a second feeding path configured to extend from the first side toward the second side and merge into the first feeding path between the first feed roller and the secondary-transfer roller, the second feeding path including a sheet guide to guide the recording sheet,
• wherein the sheet guide is movable between an upper position and a lower position.