Abstract: An image forming apparatus includes a body, a developer recovery container, a detecting section, a power supply, a detection object part, a pair of wires, a conducting section, a drive section, and a determining section. The determining section determines the developer recovery container to have been used in a case where the developer is determined to be not present in the detection object part on the basis of information from the detecting section, and in a case where the developer is determined to be present in the detection object part, checks the information from the detecting section again after driving the drive section, and determines the recovery container to have not been used when the developer is determined to be not present in the detection object part and determines the recovery container to have been used when the developer is determined to be present in the detection object part.

Abstract: An image forming apparatus includes a body, a developer recovery container, a detecting section, a power supply, a detection object part, a pair of wires, a conducting section, a drive section, and a determining section. The determining section determines the developer recovery container to have been used in a case where the developer is determined to be not present in the detection object part on the basis of information from the detecting section, and in a case where the developer is determined to be present in the detection object part, checks the information from the detecting section again after driving the drive section, and determines the recovery container to have not been used when the developer is determined to be not present in the detection object part and determines the recovery container to have been used when the developer is determined to be present in the detection object part.

Abstract: An information processing apparatus for an image forming apparatus including an image forming section that forms toner images based on first image data transferred onto a recording medium and based on second image data that is not transferred and a toner recovery section that recovers residual toner to a recovery container is provided. The information processing apparatus includes a first obtaining part that obtains image amounts representing toner amounts used for the respective toner images when a toner amount recovered to the recovery container reaches a first permissible amount, a correction part that corrects the respective image amounts by using correction factors set for the first and second image data, and an output part that outputs notification information indicating that the toner amount in the recovery container reaches a second permissible amount when a cumulative value of the corrected image amounts reaches a first threshold.

Abstract: An image forming apparatus includes: plural image holding members arranged in parallel to hold toner images of different colors on surfaces thereof, respectively; an exposing device exposing the image holding members to form electrostatic latent images of the different colors on the surfaces, respectively; a developing device developing the electrostatic latent images to form toner images of the different colors, respectively; plural transfer members disposed to face the image holding members and transferring the toner images to a recording medium with an application of a transfer bias; a transport member transporting a recording medium to the image holding members; a calculation unit that calculates a correction value of an exposure time point; and a control unit controlling the exposure time point on the basis of the correction value.

Abstract: An image forming apparatus includes: an image forming apparatus body, a photosensitive member, an intermediate transfer belt, and a developing device placed on a side opposite to the intermediate transfer belt across the photosensitive member and provided with a detachable toner cartridge. The intermediate transfer belt is disposed such that a distance between ends in a height direction is longer than a distance between ends in an anteroposterior direction. At least a part of the photosensitive member is placed between the anteroposterior ends of the intermediate transfer belt. The image forming apparatus body includes an openable section at an upper face side or a front face side thereof to allow the toner cartridge to be attached and detached therethrough and to allow a jam to be fixed therethrough.

Abstract: An image forming apparatus includes: an image forming apparatus body, a photosensitive member, an intermediate transfer belt, and a developing device placed on a side opposite to the intermediate transfer belt across the photosensitive member and provided with a detachable toner cartridge. The intermediate transfer belt is disposed such that a distance between ends in a height direction is longer than a distance between ends in an anteroposterior direction. At least a part of the photosensitive member is placed between the anteroposterior ends of the intermediate transfer belt. The image forming apparatus body includes an openable section at an upper face side or a front face side thereof to allow the toner cartridge to be attached and detached therethrough and to allow a jam to be fixed therethrough.

Abstract: An IOT controller of an image formation device is provided with an NvRAM. Correction coefficients relating to various parameters, which are specified for each of paper types in advance, are stored in the NvRAM. The NvRAM is provided with a user setting region, and when it is desired to form an image at an unusual paper, parameters of this paper can be inputted by operation of a control panel. When image formation is to be implemented, the IOT controller, after selection of a paper type at the control panel, reads out correction coefficients of the parameters relating to the selected paper type from the NvRAM, implements transfer processing in accordance with these correction coefficients, and forms a high-quality image.

Abstract: An IOT controller of an image formation device is provided with an NvRAM. Correction coefficients relating to various parameters, which are specified for each of paper types in advance, are stored in the NvRAM. The NvRAM is provided with a user setting region, and when it is desired to form an image at an unusual paper, parameters of this paper can be inputted by operation of a control panel. When image formation is to be implemented, the IOT controller, after selection of a paper type at the control panel, reads out correction coefficients of the parameters relating to the selected paper type from the NvRAM, implements transfer processing in accordance with these correction coefficients, and forms a high-quality image.

Abstract: An image formation apparatus including a photoreceptor, a charger having a charger member for charging the photoreceptor, a latent image write unit for writing an electrostatic latent image onto the photoreceptor charged by the charger, and a developing device having a developer support with a magnetic field production member, for rendering visible the electrostatic latent image written by the latent image write unit with a developer. Further, the charging member of the charger is disposed under effect of a magnetic field produced by the magnetic field production member of the developing device, and the charging member is made of a nonmagnetic material.

Abstract: A charger has a cylindrical rotation tube coming in contact with an image receptor on which a toner image is formed, the rotation tube to which a predetermined charge bias is applied, and drive means for driving the rotation tube at a predetermined peripheral speed, the charger for uniformly charging the surface of the image receptor. When the peripheral speed of the image receptor is V1 and the peripheral speed of the rotation tube is V2, the following relation is satisfied: 1.01<(V2/V1)≦1.10.

Abstract: In an image recording apparatus, the surface of an image carrier is formed of a material having a high affinity to particulates the particle size of which is smaller than toner and the surfaces of which have been treated to be hydrophobic, so that a layer of the particulates treated to be hydrophobic is retained on the surface of the image carrier.

Abstract: A charging member 2a of a charger 2 is disposed under the effect of a magnetic field produced by a magnetic field production member 4b of a developing device 4 and is made of a nonmagnetic material. The charger 2 comprises the charging member 2a and a removal member 2b disposed in contact with an photoreceptor 1 in the upstream of the charging member 2a, the removal member 2b for removing a deposit on the photoreceptor 1 and the charging member 2a is disposed under the effect of a magnetic field produced by the magnetic field production member 4b of the developing device 4 and is made of a nonmagnetic material. On the other hand, the removal member 2b is disposed under the effect of a magnetic field produced by the magnetic field production member 4b of the developing device 4 and is made of a magnetic material.

Abstract: A charger has a cylindrical rotation tube coming in contact with an image receptor on which a toner image is formed, the rotation tube to which a predetermined charge bias is applied, and drive means for driving the rotation tube at a predetermined peripheral speed, the charger for uniformly charging the surface of the image receptor.

Abstract: In an image recording apparatus, the surface of an image carrier is formed of a material having a high affinity to particulates the particle size of which is smaller than toner and the surfaces of which have been treated to be hydrophobic, so that a layer of the particulates treated to be hydrophobic is retained on the surface of the image carrier.