Image-forming apparatus provided with detachable waste toner container and sheet-conveying guide

An image-forming apparatus comprising:

• an apparatus body comprising:
• a sheet-feed roller;
• and
• a body wall;
• and
• a process cartridge attachable to and detachable from the apparatus body, the process cartridge comprising:
• a photosensitive drum, the sheet-feed roller being configured to convey a sheet toward the photosensitive drum;
• a drum frame supporting the photosensitive drum;
• a developing roller;
• a cleaner configured to remove waste toner from a peripheral surface of the photosensitive drum;
• a conveying pipe configured to convey the waste toner removed by the cleaner;
• and
• a waste-toner container detachably mountable on the drum frame, the waste-toner container being configured to store the waste toner conveyed by the conveying pipe, the waste-toner container mounted on the drum frame being positioned opposite to the photosensitive drum with respect to the developing roller, the waste-toner container including a container wall, the body wall of the apparatus body and the container wall of the waste-toner container constituting a part of a sheet-conveying guide when the process cartridge having the waste-toner container mounted on the drum frame is attached to the apparatus body, the sheet-conveying guide being configured to guide conveyance of the sheet from the sheet-feed roller toward the photosensitive drum.