Abstract: An image forming apparatus includes an image bearing member that bears an electrostatic latent image; a developer container containing developer; a developing unit that develops the electrostatic latent image on the image bearing member with the developer; a tubular transport-path forming member that forms a transport path through which the developer is transported from the developer container to the developing unit; a transport member that is disposed inside the transport-path forming member and transports the developer from the developer container to the developing unit; and a control unit that performs control such that, when the transport-path forming member is used for the first time or when the developer container is replaced, an operation to fill the developer into the transport-path forming member is performed by driving the transport member after the image forming operation is started.

Abstract: An image forming apparatus includes an image bearing member that bears an electrostatic latent image; a developer container containing developer; a developing unit that develops the electrostatic latent image on the image bearing member with the developer; a tubular transport-path forming member that forms a transport path through which the developer is transported from the developer container to the developing unit; a transport member that is disposed inside the transport-path forming member and transports the developer from the developer container to the developing unit; and a control unit that performs control such that, when the transport-path forming member is used for the first time or when the developer container is replaced, an operation to fill the developer into the transport-path forming member is performed by driving the transport member after the image forming operation is started.

Abstract: A visualizing agent quantity display control system includes a first container, a second container, a detection unit, a display unit, a control unit. The second container, which is replaceable, contains the visualizing agent to be supplied to the first container. The detection unit detects a quantity of the visualizing agent contained in the second container. The control unit causes the detection unit to detect a remaining quantity of the visualizing agent in the second container except the visualizing agent which decreases when an operation of supplying the visualizing agent in the second container to the first container has first been executed. The control unit causes a display unit to display information indicating that the remaining quantity of the visualizing agent in the second container is full regardless of the quantity of the visualizing agent which decreases when the operation has first been executed.

Abstract: A visualizing agent quantity display control system includes a first container, a second container, a detection unit, a display unit, a control unit. The second container, which is replaceable, contains the visualizing agent to be supplied to the first container. The detection unit detects a quantity of the visualizing agent contained in the second container. The control unit causes the detection unit to detect a remaining quantity of the visualizing agent in the second container except the visualizing agent which decreases when an operation of supplying the visualizing agent in the second container to the first container has first been executed. The control unit causes a display unit to display information indicating that the remaining quantity of the visualizing agent in the second container is full regardless of the quantity of the visualizing agent which decreases when the operation has first been executed.

Abstract: With an image forming device, with respect to a set image density S (default mode), the modes of: increasing or decreasing the variation amount (slope) of the set image density in accordance with a usage amount of a developing device (m1, m2); increasing or decreasing the limit value (m1, m2); changing the initial value (usage amount=0); not changing the setting in accordance with the usage amount (m4); and changing, for example, the initial value but not changing the setting in accordance with the usage amount (m5); etc., are provided as operation modes that differ from an operation mode accommodating a genuine product and are enabled to be selected by a user when a toner cartridge containing a toner that is a product other than a genuine product is mounted.

Abstract: With an image forming device, with respect to a set image density S (default mode), the modes of: increasing or decreasing the variation amount (slope) of the set image density in accordance with a usage amount of a developing device (m1, m2); increasing or decreasing the limit value (m1, m2); changing the initial value (usage amount=0); not changing the setting in accordance with the usage amount (m4); and changing, for example, the initial value but not changing the setting in accordance with the usage amount (m5); etc., are provided as operation modes that differ from an operation mode accommodating a genuine product and are enabled to be selected by a user when a toner cartridge containing a toner that is a product other than a genuine product is mounted.

Abstract: An image forming apparatus includes a toner supply for supplying toner to the developing unit; a toner supply control device for determining the final amount of toner supply, on the basis of the standard amount of toner supply corresponding to image coverage and a change in the amount of toner supply corresponding to the density of an image, thereby controlling the toner supply; a toner supply history storage device for storing a history concerning the amount of toner supplied; a toner consumption status determination device for determining whether or not an excessive amount of toner is consumed, on the basis of the toner supply history information; and development property stabilization device which interrupts formation of an image when the toner consumption status determination device determines that an excessive amount of toner is consumed, thereby causing the toner supply to supply toner and causing the developing unit to agitate and blend a developing agent or to temporarily agitate and blend a developin