Waste-toner collecting device, process cartridge, and image forming apparatus

A process cartridge comprising a waste-toner collecting device including

• a cleaning unit that collects waste toner remaining on an image carrier;
• a conveying belt that conveys the waste toner collected by the cleaning unit in a first direction;
• and
• a conveying screw that conveys the waste toner conveyed by the conveying belt in a second direction, wherein
• an end of the conveying screw on a side of the conveying belt is rotatably supported by an inner wall of a body of the waste-toner collecting device in a state where the end of the conveying screw is in contact with the inner wall.

An image forming apparatus comprising a waste-toner collecting device including

• a cleaning unit that collects waste toner remaining on an image carrier;
• a conveying belt that conveys the waste toner collected by the cleaning unit in a first direction;
• and
• a conveying screw that conveys the waste toner conveyed by the conveying belt in a second direction, wherein
• an end of the conveying screw on a side of the conveying belt is rotatably supported by an inner wall of a body of the waste-toner collecting device in a state where the end of the conveying screw is in contact with the inner wall.