An image forming apparatus 100 includes: an image forming part 6, a liquid crystal display part 11, a storage device 92 storing a program for displaying a setting screen at the liquid crystal display part 11; an input part 1 receiving, for example, a setting made for a setting item; and a help key KH for displaying a help screen at the display part. When the help key KH has been pressed in the setting by the called program, the display part 11, before processing is performed for a referenced setting item as the setting item for which the help screen has been referenced, displays a confirmation screen for confirming whether or not the processing may be performed at the current setting for the referenced setting item.