Patent ID: 7627266

Claim:
A toner bottle for containing developer, which is used in an image forming apparatus comprising: an image carrier to carry an electrostatic latent image, the image carrier having a longitudinal axis which is orthogonal to a transfer medium conveying direction; a developing unit which supplies the image carrier with the developer supplied from the toner bottle to form a developer image; a fixing unit which applies heat and pressure to a transfer medium transferred with the developer image formed on the image carrier, and fuses and fixes the developer image to the transfer medium; a main body case to contain at least the image carrier, developing unit and fixing unit; a protection cover which is attached to the main body case to face the fixing unit and an axial end portion of the image carrier, a top portion of the protection cover extending in a direction parallel to the transfer medium conveying direction and defining an air layer between the protection cover and the main body case; a main cover hinged to the image forming apparatus; and an interrupt unit which interrupts power supply to an operating unit configured to supply the developer from the toner bottle to the developing unit, when the main cover is opened; the toner bottle being detachably arranged on the protection cover with the air layer being interposed between the toner bottle and the main body case.