| 摘要 |
An image forming apparatus for forming an image on a sheet is provided. The image forming apparatus includes an apparatus main body, a unit which can be inserted into the apparatus main body, a locking device which locks the unit to the apparatus main body when the unit is in a predetermined inserted state in the apparatus main body, and a protrusion member which protrudes from an outer surface of the unit or from an outer surface of the apparatus main body in a state in which the unit is inserted into the apparatus main body but not locked to the apparatus main body by the locking device. |
