Image forming apparatus

An image forming apparatus by which a toner image is formable on a continuous sheet, comprising:

• a developing device that develops a latent image formed on an image bearing member to form a toner image;
• and
• a toner container that contains a toner to be supplied to the developing device, and is attachable to and detachable from the image forming apparatus, wherein
• a plurality of the toner containers containing toners of a same color are arranged,
• and
• the image forming apparatus further includes
• a common toner hopper through which the plurality of the toner containers supply toners to the developing device, and
• a switcher that switches supply of the toners that are supplied from the plurality of the toner containers to the common toner hopper,
• wherein before the toner contained in one toner container is not supplied to the common toner hopper by a status that the toner remaining amount of one toner container reaches 0, the switcher starts supply of a toner from another toner container.