Image forming apparatus

An image forming apparatus comprising:

• a main body housing;
• a drum cartridge including a photosensitive drum and a drum frame supporting the photosensitive drum;
• and
• a toner cartridge capable of accommodating toner to be supplied to the photosensitive drum, the toner cartridge being mountable on the drum cartridge;
• and
• a drawer movable between an accommodated position where the drawer is accommodated in the main body housing and a drawn-out position where the drawer is drawn out from the main body housing, the drum cartridge being mountable on the drawer, and the drawer including:
• a waste toner conveying pipe having a waste toner receiving port capable of receiving waste toner from the drum cartridge mounted on the drawer, the waste toner conveying pipe allowing passage of the waste toner therethrough;
• a lock member movable between a lock position where the lock member locks the drum cartridge to the drawer and an unlock position where the lock member unlocks the drum cartridge from the drawer;
• and
• a first waste toner shutter movable between a first closed position where the first waste toner shutter closes the waste toner receiving port and a first open position where the waste toner receiving port is opened, the first waste toner shutter moving from the first closed position to the first open position as the lock member moves from the unlock position to the lock position, and the first waste toner shutter moving from the first open position to the first closed position as the lock member moves from the lock position to the unlock position.