Process cartridge and image forming apparatus

An image forming apparatus comprising:

• a main body including an opening and a cover movable between a closed position, in which the cover closes the opening, and an open position, in which the opening is exposed;
• a fuser;
• and
• a process cartridge detachably attachable to the main body in a movable direction, the process cartridge comprising a drum cartridge and a developing cartridge,
• the drum cartridge comprising:
• a photosensitive drum located between the fuser and the opening in the movable direction when the process cartridge is attached to the main body;
• and
• a cleaner for removing waste toner from the photosensitive drum, and
• the developing cartridge detachably attachable to the drum cartridge, comprising:
• a developer roller;
• a toner storage;
• and
• a waste toner container for accommodating the waste toner removed from the photosensitive drum by the cleaner, the waste toner container being located between the developer roller and the cover in the movable direction when the process cartridge is attached to the main body.