To provide a sheet conveyance device capable of preventing degradation in quality of conveying a sheet and image quality even when a stiffness of the sheet is different between a sheet conveyance direction and a sheet width direction. A sheet conveyance device of an image forming apparatus includes an image forming part that conveys a sheet along a conveyance path; and a stiffness acquisition part that acquires a stiffness of the sheet in a first direction including a component in the sheet conveyance direction by bending the sheet in the first direction, and acquires a stiffness of the sheet in a second direction including a component in the sheet width direction orthogonal to the sheet conveyance direction by bending the sheet in the second direction.

A parameter determination apparatus includes: a first hardware processor that acquires a value related to a plurality of types of sheet physical properties; a second hardware processor that specifies at least any of a sheet type or a basis weight based on an acquired value related to a sheet physical property; and a third hardware processor that specifies a parameter related to sheet processing without specifying at least any of the sheet type or the basis weight, based on an acquired value related to a sheet physical property.

A converting device includes an acquisitor that acquires, from a first media sensor, first detection data constituted by a measurement result of one or more paper physical properties obtained by measuring a recording medium, a converter that converts the acquired first detection data into conversion data being information on a basis of a measurement result of a second media sensor; and an output unit that outputs conversion data converted by the converter.

Systems and methods are provided for document handling. Non-vision detection systems may be capable of detecting the dimensions, orientation, and/or position of a single sheet, or multiple stacked sheets. A document scanning arrangement may be capable of double sided scanning for sheets with various characteristics. The systems and methods provided may accommodate high throughput and rapid digitization of various types of documents, at a high quality.

An image forming apparatus includes an image reading unit. When printing a postcard is selected, a preview screen including a preview image about an image on a communication side of the postcard read by the image reading unit is displayed on a display. At this occasion, an instruction image indicating an orientation of an address side of the postcard is also displayed. When it is instructed to turn over the preview image on the communication side, the preview screen including the preview image on the address side is displayed on the display. When the orientation of the address side and the orientation of the communication side do not coincide with each other, or when they are not as intended by a user, printing is performed after the image on the communication side is rotated according to the user's operation.

For a plurality of types of print media, a pre-trained model is prepared, the pre-trained model being generated by machine learning based on spectroscopic information of an unprinted area on the print medium and an identifier indicating the type of the print medium and using the identifier as a trainer. The spectroscopic information of the unprinted area on the print medium to print on is acquired. The acquired spectroscopic information is applied to the pre-trained model. Using a result thereof, auxiliary information about the type of the print medium is outputted. A specification of the type of the print medium using the outputted auxiliary information is accepted. When the type of the print medium is thus specified, printing is performed using a print condition suitable for the print medium.

A reading portion generates an original image including an image of a document sheet. A first document sheet end detection portion, in a case where the thickness of the document sheet is equal to or greater than a threshold value, identifies a peripheral edge shape of the document sheet by detecting a shadow portion that occurs at a peripheral edge portion of the document sheet in the original image. A second document end detection portion, in a case where the thickness of the document sheet is less than a threshold value, identifies the peripheral edge shape based on a specification by the user. A document sheet size determination portion determines a size of the document sheet according to a result of shape identification by the first document sheet end detection portion or a result of shape identification by the second document sheet end detection portion.

An information processing apparatus performs acquiring measurement results obtained by measuring a characteristic of a recording medium a plurality of times; inputting information corresponding to a type of the recording medium; acquiring an extraction range of the type indicated by the information, among extraction ranges set to respective types of recording media for determination of a type; setting, based on the measurement results and the type, a parameter for correcting the measurement results to reduce difference between the measurement results and the extraction range; correcting, by using the parameter, measurement results obtained by measuring a characteristic of a recording medium to be recorded; and extracting a candidate type of the recording media, the measurement results, based on the corrected measurement results and the extraction range.

A bending detection device includes a processor configured to receive a read image obtained by reading a document, and notify a user of a bend in the document based on a determination that the read image has been obtained by reading the document in a bent state.

A feeding device includes: a feeder that feeds a first medium disposed on a top of plural media loaded; a detector that detects at least one of a curved state and an inclination of the first medium and following media including a second medium disposed immediately below the first medium; and a modifier that modifies a condition related to a feeding operation of the feeder based on the at least one of the curved state and the inclination detected by the detector.