Image forming apparatus

An image forming apparatus comprising:

• an apparatus main body;
• a process cartridge detachably mounted on the apparatus main body, the process cartridge including:
• a photosensitive drum configured to rotate about a rotational axis extending in a first direction;
• and
• a development unit configured to supply toner to the photosensitive drum;
• a scanner unit and
• a toner cartridge configured to store toner,
• at least part of the photosensitive drum, at least part of the scanner unit, and at least part of the toner cartridge being aligned in a second direction in this order, the second direction being perpendicular to both the first direction and to a vertical direction, and
• the at least part of the photosensitive drum, the at least part of the scanner unit, and the at least part of the toner cartridge overlapping one another as viewed from the second direction,
• wherein the toner cartridge is formed in an inverted “L” shape as viewed from the first direction and is arranged to cover an upper side and a front side of the scanner unit, the front side of the scanner unit being a side facing the toner cartridge in the second direction.