An image forming apparatus includes a support frame, a driving device including a first supporting portion configured to hold the drive source on a first surface and configured to rotatably support the drive gear on a second surface, and a second supporting portion configured to support the drive gear with the first supporting portion, a board holding member disposed in a manner overlapping the first supporting portion in a rotational axis direction of the drive gear, and a third supporting portion disposed between the first supporting portion and the board holding member in the rotational axis direction, and configured to support the board holding member, one end of the third supporting portion being fixed to a side of the first surface of the first supporting portion by a first fastening member, another end of the third supporting portion being fixed to the board holding member by a second fastening member.

An image forming apparatus includes an image forming unit, a fixing unit, a plurality of exterior covers forming an exterior of the image forming apparatus, a fan configured to suck outside air into the image forming apparatus through an air intake port, a temperature sensor configured to detect a temperature of the outside air sucked by the fan, and a partition member disposed upstream the temperature sensor and downstream the air intake port in an airflow generated by the fan, the partition member dividing an air intake path through which the outside air sucked through the air intake port passes into a first path passing through a fixing unit side and a second path passing through a temperature sensor side.

Provided are an image forming system and a method for detecting glossiness capable of accurately detecting glossiness in various media having different conditions. The image forming system includes a sensor unit including a light source that irradiates a medium being conveyed with light and a gloss sensor that receives light emitted from the light source and specularly reflected on the medium and detects a diffusion distribution of light in the medium, and a detection condition setting unit that identifies a type of the medium being conveyed and sets a light amount of the light source and/or exposure time of the gloss sensor at the time of glossiness detection in accordance with the type of the medium. The image forming system further includes a glossiness detector that detects glossiness of the medium from a diffusion distribution of light detected by the gloss sensor under the detection condition set by the detection condition setting unit.

A plurality of registration data includes control parameter data related to control of an image forming apparatus capable of executing a printing process. A processor, according to input designation information, selects target registration data from the plurality of registration data. Moreover, the processor derives estimated performance according to derivation rules. Furthermore, the processor outputs information about the estimated performance. The estimated performance is performance related to the printing process in a case where it is presumed that the printing process is executed according target parameters. The target parameters are the control parameters of the target registration data.

An image forming apparatus includes: a detection unit configured to detect an amount of developer stored in a developing container and to output remaining amount information; and a control unit configured to perform control, during a replenishment of the developer to the developing container using a replenishment container, to cause a display unit to display a message related to the replenishment. When the replenishment is instructed, the control unit is further configured to perform a first control during the replenishment in a case where the remaining amount information indicates a first remaining amount, and configured to perform a second control different from the first control during the replenishment in a case where the remaining amount information indicates a second remaining amount greater than the first remaining amount.

A display device that allows a user to easily move an icon across tabs and freely change the order of the icon in the tab of a movement destination is provided. The display device comprising a display unit, a touch panel that is arranged so as to superimposed on the display unit, and a control unit configured to display a screen including a plurality of tabs capable of accommodating a plurality of predetermined numbers of icons on the display unit. The control unit comprises a switching unit configured to switch between a home screen for displaying icons accommodated in a first tab selected via the touch panel among the plurality of tabs and a setting screen for moving a predetermined icon accommodated in the first tab to a second tab by a drag-and-drop operation, and a display control unit configured in such a way that when the predetermined icon is dragged onto a heading part of the second tab on the setting screen, in a case that there is no space for inserting the predetermined icon in the second tab, a display indicating that a drop operation is not possible is performed on the heading part of the second tab, and in a case that there is a space for inserting the predetermined icon in the second tab, a display indicating that a drop operation is possible is performed on the heading part of the second tab.

A binding unit is a binding unit used in staple-less binding in which mediums are bound by being interposed between binding units having plural recesses and projections in a thickness direction of a bundle of the mediums, in which, among the plural projections, a tip end of a projecting portion, which is at a central portion in an arrangement direction of the projections, protrudes further than a projecting portion disposed at a position different from the central portion.

In an image forming apparatus a toner cartridge includes a toner memory storing toner identification information. The toner cartridge is detachably attachable to a drum cartridge. The drum cartridge includes a drum memory storing drum identification information. The drum cartridge is detachably attached to the main-body casing. A controller performs a request process to request execution of a density correction process to correct a density of developer, in a case where a toner identification information determination process determines that the toner identification information stored in the toner memory does not match the toner identification information which is stored in the main-body memory in a toner identification information storing process or a drum identification information determination process determines that the drum identification information stored in the drum memory does not match the drum identification information which is stored in the main-body memory in the drum identification information storing process.

A conveying device includes a first pair of nipping rollers, a second pair of nipping rollers, a position corrector configured to correct a position of a recording medium in a width direction of the recording medium, an end position detector configured to detect an end position of the recording medium in the width direction, and circuitry configured to, in adjustment of the end position detector, stop conveying the recording medium in response to arrival of a leading end of the recording medium at the end position detector, cause the position corrector to move the recording medium toward an outside of the conveyance passage in the width direction to a position at which the end position detector is covered by the recording medium, adjust the output of the end position detector, and cause the end position detector to detect the recording medium.

An image forming device including a forming unit, an adhesion amount detector, a correction coefficient determiner, and a correction unit. The forming unit forms line images each having a different line width. The adhesion amount detector detects a toner adhesion amount for each of the line images. The correction coefficient determiner determines, according to the toner adhesion amounts detected for each line width, correction coefficients for a gradation value of the line images of each line width. The correction unit corrects a gradation value of a line image using a correction coefficient corresponding to the line width of the line image when forming the line image.