Abstract: An image forming apparatus includes a detection unit that optically detects a density of a reference toner image for density measurement formed on an image carrier. Either a first detection method for detecting the density of the reference toner image by receiving specularly reflected light reflected by the image carrier and the reference toner image for density measurement formed on the image carrier or a second detection method for detecting the density of the reference toner image by receiving diffusely reflected light from the image carrier and the reference toner image, is selected in accordance with color information of a toner, the color information being stored beforehand in a storage unit, and the density of the reference toner image is optically detected.

Abstract: An image forming apparatus includes a detection unit that optically detects a density of a reference toner image for density measurement formed on an image carrier. Either a first detection method for detecting the density of the reference toner image by receiving specularly reflected light reflected by the image carrier and the reference toner image for density measurement formed on the image carrier or a second detection method for detecting the density of the reference toner image by receiving diffusely reflected light from the image carrier and the reference toner image, is selected in accordance with color information of a toner, the color information being stored beforehand in a storage unit, and the density of the reference toner image is optically detected.

Abstract: An image forming apparatus includes an image forming section, a post-processing unit, and a controller. The image forming section forms an image on a recording medium. The post-processing unit processes the recording medium obtained after the image forming section forms the image. The controller controls a post-processing execution time of the post-processing unit on the basis of information obtained by reading at least one control pattern from the recording medium. The at least one control pattern is formed to control the image forming section.

Abstract: An image forming apparatus includes plural image preparing units whose attachment positions are selectable and that prepare images of respective colors; and a setting unit that, in a case where an attachment position of a first image preparing unit, which is any one of the plural image preparing units, is changed from a first attachment position to a second attachment position different from the first attachment position, sets, for the first image preparing unit in the second attachment position, first setting information that is different from first setting information set for the first image preparing unit while the first image preparing unit is attached in the first attachment position and second setting information that is identical to second setting information set for the first image preparing unit while the first image preparing unit is attached to the first attachment position.

Abstract: An image forming apparatus includes an image forming section, a post-processing unit, and a controller. The image forming section forms an image on a recording medium. The post-processing unit processes the recording medium obtained after the image forming section forms the image. The controller controls a post-processing execution time of the post-processing unit on the basis of information obtained by reading at least one control pattern from the recording medium. The at least one control pattern is formed to control the image forming section.

Abstract: An information processing device, such as a tablet computer or a smartphone, executes diverse processes by an intuitive operation combining a stylus pen and a finger in an input operation of information for performing the startup of an application program, the search for or editing of information, or the like. The information processing device is provided with an information input control program that identifies a first input such as a stylus pen and a second input such as a finger, identifies information input by the first input, recognizes a region designated by the second input, and from the information identified in the recognized region, executes a predetermined process that starts an application program, or searches for or edits information. It is possible to execute diverse processes an intuitive operation using two inputs.

Abstract: An image forming apparatus includes a density adjusting unit that executes first formation of forming a first color sample in a transfer area on an image carrier, first adjustment of adjusting output characteristics of an image forming unit to reduce a difference between a measured density of the first color sample and a first target density, second formation of forming a second color sample in a non-transfer area on the image carrier, second adjustment of adjusting the output characteristics to reduce a difference between a measured density of the second color sample and a second target density, and third adjustment of adjusting the output characteristics to reduce a difference in output density between the transfer and non-transfer areas, if the difference between the measured density of the second color sample and the second target density exceeds a predetermined extent after repeating the second formation and the second adjustment.

Abstract: Provided is an image detection device including a light-emitting unit that emits light toward an image holding member, a first light-receiving unit that is disposed at a position where specular reflected light of the light emitted toward the image holding member is received, a second light-receiving unit that is disposed at a position where diffuse reflected light of the light emitted toward the image holding member is received, a light-emission control unit that controls an intensity of the light emitted by the light-emitting unit, and a reference member that is disposed at a position through which light having an intensity that is less than an intensity detectable by the second light-receiving unit passes in a case of the first intensity and through which light having an intensity that is equal to or higher than the intensity detectable by the second light-receiving unit passes in a case of the second intensity.

Abstract: In this information processing device such as a smartphone or a tablet computer provided with a touchscreen, when a number, character, or the like is written by means of a predetermined input means such as a stylus pen at a region at which a number, character, or the like contained in a file is displayed or a region at which a number, character, or the like is displayed by an application program on the touchscreen, the written number, character, or the like is identified, and a process for updating information to the identified number, character, or the like is executed. As a result, it is possible to update information at a displayed region by means of an intuitive operation of overwriting displayed information. If the configuration is such that information is not updated by means of another input means aside from a stylus pen, it also becomes possible to automatically switch from a display mode to an editing mode by altering the input means.

Abstract: This information processing device, such as a tablet computer or a smartphone, achieves the execution of diverse processes by means of an intuitive operation combining the two input means of a stylus pen and a finger in an input operation of information for performing the startup of an application program, the search for or editing of information, or the like. The information processing device is provided with an information input control program that identifies a first input means such as a stylus pen and a second input means such as a finger, identifies information input by the first input means, recognizes a region designated by means of the second input means, and from the information identified in the recognized region, executes a predetermined process that starts an application program, or searches for or edits information. It is possible to execute diverse processes by means of an intuitive operation using two input means.

Abstract: A density detection apparatus includes the following elements. An image forming unit forms density detection images having different area ratios. A measuring unit measures an amount of reflected light. A storage unit stores reference values and also stores a representative value thereof. A determining unit determines a threshold for the area ratios of the density detection images on the basis of a variation among the reference values. A density obtaining unit obtains, for a density detection image having an area ratio which exceeds the threshold, a density level by using the amount of light reflected by the density detection image and the representative value, and obtains, for a density detection image having an area ratio which is equal to or smaller than the threshold, a density level by using the amount of light reflected by the density detection image, the associated reference value, and the representative value.

Abstract: Provided is an image detection device including a light-emitting unit that emits light toward an image holding member, a first light-receiving unit that is disposed at a position where specular reflected light of the light emitted toward the image holding member is received, a second light-receiving unit that is disposed at a position where diffuse reflected light of the light emitted toward the image holding member is received, a light-emission control unit that controls an intensity of the light emitted by the light-emitting unit, and a reference member that is disposed at a position through which light having an intensity that is less than an intensity detectable by the second light-receiving unit passes in a case of the first intensity and through which light having an intensity that is equal to or higher than the intensity detectable by the second light-receiving unit passes in a case of the second intensity.

Abstract: An image forming apparatus includes a controller that provides control in which, if image formation processing by a single unit is executed first since a density adjustment condition for adjusting a density of an image is satisfied, a density adjustment value is changed by a predetermined basic change amount, and a first image is formed in a corresponding image formed region with a density that is adjusted in accordance with the changed density adjustment value, and control in which, if a single image other than the first image is formed in the corresponding image formed region, the current density adjustment value is changed by a predetermined fine change amount that is smaller than the basic change amount, and the single image is formed in the corresponding image formed region with a density that is adjusted in accordance with the changed density adjustment value.

Abstract: A density detection apparatus includes the following elements. A storage unit stores therein image information. A measuring unit measures amounts of light components reflected by an image carrier or density detection images represented by the image information. A light amount obtaining unit obtains a variation in amounts of light components reflected by each region in which the associated density detection image is formed, and obtains, as a reference value, a representative value of the amounts of light components. An image correcting unit corrects the image information by changing an arrangement order of the density detection images. An image forming unit forms the density detection images on the image carrier on the basis of the corrected image information. A density obtaining unit obtains density levels of density detection images corresponding to their area ratios by using the amounts of light components reflected by the density detection images and the reference values.

Abstract: A display apparatus includes: a display having a screen in which an image is displayed; an input unit having a surface on which a user's touch is sensed; a display controller that displays a plurality of individual icons and one or more category icons each of which represents a category of one or more individual icons; and a motion recognition unit that detects a pinching-out motion to widen a distance between two points of touch on the surface based on a motion sensed by the input unit, wherein the display controller changes a state of one or more individual icons associated with at least one category from an enfolded state in which the one or more individual icons are not displayed to an unfolded state in which the one or more individual icons are displayed.

Abstract: A display device includes a display and a display controller that controls the display to display any of a plurality of screens and an input unit that receives a user's operation. The display controller displays one or more images corresponding to one or more software programs at positions, which correspond to the operation received by the input unit, in a customized area scrollable in the horizontal direction and adjacent to the left or right side of the initial screen, and displays a predetermined type of information at a predetermined position in a non-customized area scrollable in the vertical direction and adjacent to the initial screen at a position other than the customized area. The display controller scrolls the customized area using the size of the screen as the unit of scrolling.

Abstract: An image-forming apparatus includes: a memory that stores a plurality of image forming modes; a contact controller that controls a status of contact between a plurality of image-forming units and an intermediate transfer member on the basis of an image forming mode selected from among the plurality of image forming modes, so that an image-forming unit used for image forming represented in the selected image forming mode is contacted with the intermediate transfer member, and another image-forming unit is moved away from the intermediate transfer member; and an image-quality adjusting unit that adjusts, if the status of contact is changed by the contact controller, an image quality of an image that is to be transferred onto the intermediate transfer member from the image-forming unit that is in contact with the intermediate transfer member.

Abstract: A density detection apparatus includes the following elements. A storage unit stores therein image information. A measuring unit measures amounts of light components reflected by an image carrier or density detection images represented by the image information. A light amount obtaining unit obtains a variation in amounts of light components reflected by each region in which the associated density detection image is formed, and obtains, as a reference value, a representative value of the amounts of light components. An image correcting unit corrects the image information by changing an arrangement order of the density detection images. An image forming unit forms the density detection images on the image carrier on the basis of the corrected image information. A density obtaining unit obtains density levels of density detection images corresponding to their area ratios by using the amounts of light components reflected by the density detection images and the reference values.

Abstract: An image forming apparatus includes a controller that provides control in which, if image formation processing by a single unit is executed first since a density adjustment condition for adjusting a density of an image is satisfied, a density adjustment value is changed by a predetermined basic change amount, and a first image is formed in a corresponding image formed region with a density that is adjusted in accordance with the changed density adjustment value, and control in which, if a single image other than the first image is formed in the corresponding image formed region, the current density adjustment value is changed by a predetermined fine change amount that is smaller than the basic change amount, and the single image is formed in the corresponding image formed region with a density that is adjusted in accordance with the changed density adjustment value.

Abstract: A density detection apparatus includes the following elements. An image forming unit forms density detection images having different area ratios. A measuring unit measures an amount of reflected light. A storage unit stores reference values and also stores a representative value thereof. A determining unit determines a threshold for the area ratios of the density detection images on the basis of a variation among the reference values. A density obtaining unit obtains, for a density detection image having an area ratio which exceeds the threshold, a density level by using the amount of light reflected by the density detection image and the representative value, and obtains, for a density detection image having an area ratio which is equal to or smaller than the threshold, a density level by using the amount of light reflected by the density detection image, the associated reference value, and the representative value.