An image forming apparatus includes an apparatus body including a sheet feeding unit, an insertion port in which the sheet fed by sheet feeding unit is inserted, a cartridge that is configured to store toner, the cartridge being attachably and detachably supported by the apparatus body, an attachment/detachment port through which the cartridge passes, and a cover configured to move to a first position where the cover closes the insertion port and the attachment/detachment port and a second position where the cover opens the insertion port and the attachment/detachment port. In a state in which the cover is positioned at the second position, the sheet feeding unit is capable of feeding the sheet that has been inserted to the insertion port, and the cartridge is capable of being attached to and detached from the apparatus body via the attachment/detachment port.