Process Cartridge

A process cartridge, comprising:

• a drum cartridge;
• and
• a waste toner case configured to be detachably attachable to the drum cartridge,
• wherein the drum cartridge comprises:
• a development roller having:
• a shaft extending in an axis direction;
• and a roller body provided around the shaft and having a circumferential surface configured to hold ink;
• a first side wall configured to support one end of the shaft of the development roller;
• a second wall configured to support the other end of the shaft of the development roller;
• a photosensitive drum configured to receive the toner from the development roller;
• a cleaner configured to remove the toner from a circumferential surface of the photosensitive drum;
• and
• a conveying tube configured to convey the toner removed by the cleaner,
• wherein the waste toner case is disposed on an opposite side of the photosensitive drum with respect to the development roller and is configured to store the toner removed by the cleaner,
• wherein the conveying tube comprises:
• a first part disposed on an opposite side of the second side wall with respect to the first side wall in the axis direction, the first part being connected to the cleaner;
• a second part disposed closer to the second side wall relative to the first part, the second part being connected to the waste toner case;
• and
• a third part configured to connect the first part with the second part,
• wherein a direction in which the waste toner case is attached to or detached from the drum cartridge is equal to a direction in which the second part of the conveying tube extends.