A disclosed surface-emitting laser module includes a surface-emitting laser formed on a substrate to emit light perpendicular to its surface, a package including a recess portion in which the substrate having the surface-emitting laser is arranged, and a transparent substrate arranged to cover the recess portion of the package and the substrate having the surface-emitting laser such that the transparent substrate and the package are connected on a light emitting side of the surface-emitting laser. In the surface-emitting laser module, a high reflectance region and a low reflectance region are formed within a region enclosed by an electrode on an upper part of a mesa of the surface-emitting laser, and the transparent substrate is slanted to the surface of the substrate having the surface-emitting laser in a polarization direction of the light emitted from the surface-emitting laser determined by the high reflectance region and the low reflectance region.

An information processing device that transmits print data to a printing apparatus includes a storage unit that stores combination information configured to identify a combination of a color of a print medium and a color of a color material and an adaptive density range that is a range of print densities suitable for reading a code image, a print combination information acquisition unit that acquires print combination information configured to identify a combination of a color of the print medium and a color of the color material, a density setting value acquisition unit that acquires a density setting value, a density determination unit that determines, whether the density setting value is included in the adaptive density range stored in association with the combination information same as the print combination information, and a density change unit that changes a print density of the print data.

An image forming apparatus includes: a determination section configured to determine whether there is a possibility of generation of an image defect during a printing job for image formation on a plurality of pages based on image data included in the printing job; and a changing section configured to change an order of the pages to be subjected to image formation such that an image defect is not generated when the determination section determines that there is a possibility of generation of the image defect.

A medium issuing device for issuing a medium includes a drive part which drives a conveyance mechanism for conveying the medium in a conveyance passage, a printing part which reads out printing data and prints on the medium according to drive by the drive part, and a control part which acquires enlarged printing data when code data are included in the printing data, the enlarged printing data being enlarged in a conveyance direction of the medium with respect to an original size which do not include the code data, and the control part controls a driving speed of the drive part to a lower speed than a normal driving speed according to an enlargement ratio at least in a portion of the code data.

An image forming apparatus includes an image forming unit configured to form a predetermined pattern image on a sheet, a notifying unit configured to provide a notification of an orientation for placing the sheet on which the predetermined pattern image is formed by the image forming unit, on a placement portion, a reading unit configured to read the sheet on a line to line basis, to generate image data, and a detection unit configured to detect a streak-shaped image extending in a direction along a predetermined edge of the sheet, by analyzing the image data generated by reading the sheet by the reading unit, wherein the notifying unit provides a notification of a placement orientation for allowing the sheet, on which the predetermined pattern image is formed, to be read on a line to line basis, the line extending in a direction along the predetermined edge.

An image processing device includes: a first matching circuit to determine whether an image matrix of image data of a first resolution matches a first pattern, and output a first determination result; a first converting circuit to, if the image matrix matches the first pattern, replace a target pixel of the image matrix with a first pixel pattern of a second resolution, and output first image data of the second resolution; a second converting circuit to convert the image data of the first resolution into image data of the second resolution, and output second image data of the second resolution; a detecting circuit to detect whether the target pixel is included in a fine line structure, and output a detection result; and a selecting circuit to output one of the first image data and the second image data based on the first determination result and the detection result.

The image forming apparatus includes a color conversion processing unit that has an input profile for color conversion to first image data which is image data of a device-independent color space, and an adjustment target profile for color conversion to second image data which represents gradation values of the plurality of color materials, and a simulation profile for color-converting the second image data to third image data of the device-independent color space, a profile adjustment unit that adjusts the adjustment target profile in accordance with the user input, determines whether or not a color difference before and after the adjustment of the adjustment target profile is smaller than a preset threshold value, and updates the adjustment target profile by using the adjustment target profile after the adjustment when the profile adjustment unit determines that the color difference is smaller than the threshold value, and a color difference calculation unit.

An image forming apparatus for forming an image on a recording material by a plurality of color materials, the apparatus includes: a determination unit configured to determine, based on converted data that are converted from image data corresponding to each image formed by the plurality of color materials, values each relating to an area of a respective color material caused to adhere to a recording material; and a detection unit configured to detect, based on the values each relating to the area of the respective color material that the determination unit determines, an overlapping of color materials.

A color management system for a printing system includes a color management service that controls quality control operations, such as calibration and quality checks, over a plurality of printing devices. The color management service generates a target print job having a quality control target made of color patches. The color management service also encodes metadata within the target print job using a control strip. The control strip encodes the metadata using different color patches and color intensities. The control strip is scanned at the printing device to decode the metadata and enable a user interface to complete the quality control operation.

A method for building a security image for a security structure of a security document from multiplexing color images, including selecting a marking method capable of producing sets of colors on the security document comprising different colors that can be displayed according to illumination/observation modes of the security structure, establishing a plurality of color sets that can be displayed by the security structure in a plurality of the different illumination/observation modes, distributing the color sets in a plurality of groups of color sets, establishing combinations of groups of color sets having at least one color set in common across the number of different illumination/observation modes, selecting a combination of a group of color sets based on the number of desired illumination/observation modes and the number of colors per color image, and determining the color images to multiplex by means of the combination of the group of color sets selected.