Patent ID: 7890011

Claim:
An image forming apparatus including a plurality of functions that include a function of executing an operation involving use of a consumable, the image forming apparatus comprising: a display; a selecting unit that selects one function to be executed from the plurality of functions; a detector that detects a remaining level of the consumable; and a controller that is operable to: switch contents displayed on the display to information corresponding to the one function when the one function is selected by the selecting unit; instruct execution of an operation corresponding to the information displayed on the display as a result of the switching the contents; display a warning indication on the display when the remaining level of the consumable is detected to be equal to or less than a predetermined level; and inhibit the switching of the contents displayed on the display, inhibit displaying of information other than the warning indication, and continuously display the warning indication on the display when the warning indication has been displayed for a predetermined time and the one function selected by the selecting unit is determined to be the function of executing the operation involving use of the consumable while the warning indication is displayed on the display, wherein the controller switches the warning indication displayed on the display with the information other than the warning indication when the warning indication has been displayed for a predetermined time and the one function selected by the selecting unit is determined not to be the function of executing the operation involving use of the consumable while the warning indication is displayed on the display.