In an inspection system including a printing apparatus, an inspection apparatus configured to inspect quality of a printed product printed by the printing apparatus, and an information processing apparatus configured to transmit a print job to the printing apparatus, the information processing apparatus transmits a print job to the printing apparatus in a case where a reference image to be used for inspecting the quality of the printed product corresponding to the print job is registered, and does not transmit the print job in a case where the reference image corresponding to the print job is not registered.

An image reading apparatus includes: N sensor chips arranged in a first direction and each including a plurality of image pickup elements arranged in the first direction; N optical systems that form, on the N sensor chips, reduced-size images of N reading ranges arranged in the first direction on a document; and an image processing section that uses image data of overlap regions to obtain positions of the overlap regions, obtains, based on the positions and predetermined synthesis reference positions in the overlap regions, magnifications of read images and synthesis positions, performs image processing of correcting the magnifications in the first direction of the image data of the N reading ranges, and combines the image data of the N reading ranges subjected to the image processing, thereby generating synthesized image data.

A print system includes an image processing apparatus and a print apparatus that receives a print job processed by the image processing apparatus and prints an image on a sheet. The print apparatus determines whether or not a print job received from the image processing apparatus is a measurement target for measuring an image printed on a sheet, measures the image on the sheet printed by executing a print job that has been determined to be the measurement target, and transmits the result of measurement to the image processing apparatus. The image processing apparatus generates a print job serving as a measurement target, and upon receiving the result of measurement based on the transmitted print job, applies the result of measurement to a print job to be printed by the print apparatus.

An image forming apparatus comprising: an image forming unit configured to convey a recording medium, and form an image on the recording medium based on an image forming condition; and a controller configured to control the image forming unit to form a test image and a scale image extending a conveyance direction in which the recording medium is conveyed, obtain user instruction information related to a density fluctuation of the test image in the conveyance direction, and to generate the image forming condition to suppresses image density unevenness in the conveyance direction to an image to be formed by the image forming unit based on the user instruction information.

The present invention relates to a method of generating “expanded color chart” representing various ink combination, for profiling a multi-color printing device or printer, using “reduced set of color chart”, printed using the printer, where a. The expanded color chart is computed by applying “Error Correction” function to the expanded color chart predicted using a theoretical model of color prediction for a given ink combinations in the expanded chart. b. Error Correction function is computed/modelled as function of the variance/difference observed between the color values predicted by the theoretical model and the actual values measured for the ink combinations in the printed “reduced set of color chart”.

An image processing apparatus includes an acquisition unit configured to acquire first image data indicating a reference image as a target print result, and second image data indicating a target image to be inspected, and a processing unit configured to inspect the target image by performing a correction on a second partial region adjacent to a first partial region to enhance the second partial region relative to a difference image representing a difference between the reference image and the target image based on the first image data and the second image data, the first partial region having a difference in between the reference image and the target image.

A reading device and an image forming apparatus are provided. The reading device includes an image reading device configured to read an image on a recording medium being conveyed, a background device serving as a background image when the image is read by the image reading device, and a foreign-object detector configured to compare a first read image obtained as the background device is read by the image reading device with a second read image obtained as the background device and the recording medium are read by the image reading device to detect an attached foreign object. The image forming apparatus includes the reading device and an image forming device.

An image forming apparatus includes an image forming unit to form an image on a sheet, a conveyance unit to convey the sheet having the image formed thereon to a conveyance path and a reading unit to read a test image of a sheet conveyed to the conveyance path. In addition, a controller determines an adjustment value for adjusting a geometric characteristic of an image to be formed by the image forming unit based on a reading result of the reading unit, controls the image forming unit to form the test image, controls the reading unit to read the sheet having the test image formed thereon, and determines an adjustment value for adjusting a geometric characteristic of an image to be formed by the image forming unit based on a reading result of the reading unit.

A detection device includes an electrostatic capacitance sensor including an electrode pair and being configured to detect electrostatic capacitance of a medium brought into contact with the electrode pair, and a first ultrasonic wave sensor including a first transmission unit configured to transmit an ultrasonic wave and a first reception unit configured to receive an ultrasonic wave transmitted from the first transmission unit. The transmission unit and the reception unit are positioned to sandwich the medium.

A method for reducing artifacts in an electrophotographic printing system includes receiving a print job including image data for a set of pages. The electrophotographic printing system is used to print a block of pages from the print job to provide corresponding printed pages. The image data for the block of pages is analyzed to determine an average toner usage rate. If the determined average toner usage rate for the block of pages falls outside an acceptable toner usage rate range, image data for a compensation image and a number of compensation images are determined such that the average toner usage rate will be brought back into the acceptable toner usage rate range.