A conveyance path for a document (D) has a first conveyance path (R1) that turns back midway and a second conveyance path (R2) that extends rectilinearly. When the document (D) is of a particular type, if a setting to use the first conveyance path (R1) has been made, a control section (4) has a warning message (MS1) displayed.

An image reading apparatus includes a document tray, a set document sensor, a sheet feed rotary member, an image reader, a staple detector, a display panel and a controller. The set document sensor detects a document sheet set on a document tray. A staple detector detects a staple attached to the document sheet bundle. On recognizing set document sheets, based on the output from the staple detector, a controller checks whether or not the set document sheets are stapled. On detecting that they are stapled, the controller makes a display panel indicate that the document sheets are stapled and cannot be conveyed.

An image reading apparatus includes a transport unit which transports a document, and reading units which read an image of the document which is transported. It is assumed that an operation of reading an image when specific setting information is not input to a control device of the image reading apparatus is set to a first reading mode, and an operation of reading an image when specific setting information is input to the control device is set to a second reading mode. In this case, in the second reading mode, image data of an image with a resolution which is equal to that in the first reading mode is generated, while causing the reading units to read an image from a document which is transported by the transport device at a lower speed than that in the first reading mode.

Provided are systems and methods for identifying, isolating, and/or aligning sheets. An identification system can facilitate accurate identification of a sheet by (i) vacating one or more components of the system that are not the sheet from a zone of detection, and/or (ii) determining a reference axis of the sheet. An isolation system can facilitate accurate isolation of a sheet by (i) providing targeted air flow, and/or (ii) introducing a wave into the sheet. Identification systems and/or isolation systems described herein may facilitate isolation of sheets that were previously fastened together by one or more fasteners. An alignment system can facilitate accurate alignment of a first sheet at an upstream location relative to a second sheet at a downstream location via machine learning.

An image reading apparatus configured to cause a document placed on a document tray to be conveyed based on information about a thickness of the document includes a detector configured to detect the document placed on the document tray, a display device configured to display an object for setting the thickness of the document when the detector detects the document placed on the document tray, a sheet conveyance controller configured to cause a sheet conveyance device to convey the document based on information about the thickness of the document set by the object displayed by the display device, and a reader configured to read an image of the document conveyed by the sheet conveyance device, wherein the image reading apparatus receives a setting as to whether a screen for setting the thickness of the document is to be displayed when the detector detects the placed document.

An image reading apparatus configured to cause a document placed on a document tray to be conveyed based on information about a thickness of the document includes a detector configured to detect the document placed on the document tray, a display device configured to display an object for setting the thickness of the document when the detector detects the document placed on the document tray, a sheet conveyance controller configured to cause a sheet conveyance device to convey the document based on information about the thickness of the document set by the object displayed by the display device, and a reader configured to read an image of the document conveyed by the sheet conveyance device, wherein the image reading apparatus receives a setting as to whether a screen for setting the thickness of the document is to be displayed when the detector detects the placed document.

Provided is an image reading apparatus in which a setting screen is displayed upon detecting that a document is placed on the document tray. In a case where a document is placed on an automatic document conveyance device, if a paper jam occurs while using the automatic document conveyance device, a screen of a paper jam is preferentially displayed even when a setting of automatically displaying a selection screen of a sheet thickness is set at the time. This prevents a specific screen desired to be continuously displayed from being hidden upon detecting that a document is placed on a document tray.

A control method for a multifunction machine includes detecting placement of a document on a document tray, displaying an object in accordance with document placement detection, storing information indicating the thickness of the document set using the object, conveying the document based on the information, and scanning the conveyed document. The object is displayed in accordance with document placement detection while a function selection screen is displayed, the information is received from a user through the object, and the document is conveyed based on the information in a case where execution of the copy function is commanded through a copy screen displayed after selection of the copy function. Even when a user places a document while a function selection screen is displayed, the thickness of the document can be set with certainty, and the document is scanned based on the set thickness.

An image reading apparatus which is capable of preventing occurrence of a paper jam and poor stacking during conveyance of originals. The image reading apparatus sets a type of an original, conveys the original based on the set type of the original, and reads an image on the conveyed original. An original detecting sensor detects placement of the original on an original tray. An LCD touch panel displays an object for setting a type of the original in response to the detection by the original detecting sensor.

Provided are systems and methods for identifying, isolating, and/or aligning sheets. An identification system can facilitate accurate identification of a sheet by (i) vacating one or more components of the system that are not the sheet from a zone of detection, and/or (ii) determining a reference axis of the sheet. An isolation system can facilitate accurate isolation of a sheet by (i) providing targeted air flow, and/or (ii) introducing a wave into the sheet. Identification systems and/or isolation systems described herein may facilitate isolation of sheets that were previously fastened together by one or more fasteners. An alignment system can facilitate accurate alignment of a first sheet at an upstream location relative to a second sheet at a downstream location via machine learning.