摘要:
A sheet conveying device including: a separating roller; a separating piece; and conveying rollers. The separating roller conveys each sheet along a predetermined conveying path in a conveyance direction. The separating piece provides a first nip position in cooperation with the outer peripheral surface of the separating roller for nipping a sheet or sheets therebetween. The conveying rollers are provided at positions downstream of the separating roller in the conveyance direction and provide a second nip position where the sheet is nipped therebetween for conveying the sheet conveyed by the separating roller in the conveyance direction. An imaginary flat plane is defined by connecting the first nip position and the second nip position. The separating piece has a portion positioned downstream of the first nip position and protruding toward the separating roller beyond the imaginary flat plane.
摘要:
An image reader includes a discharge cover disposed on a side of the image reader, the discharge cover forming part of a side surface when closed and forming a discharge port when opened. Undesired illumination from light entering the image reader through the discharge port is suppressed from impinging on a contact image sensor.
摘要:
An image reading apparatus, including a driving unit, a separator unit, a conveyer unit, a reader unit, a reducer unit, a size detecting unit; and a controller is provided. The separator unit includes a drive shaft, a contact member, and a clutch. The controller manipulates the conveyer unit via the driving unit to convey the sheet at a first conveying speed when the size of the sheet detected by the size detecting unit is greater than a predetermined size. The controller manipulates the conveyer unit via the driving unit to convey the sheet at a second conveying speed, which is lower than the first conveying speed, when the size of the sheet detected by the size detecting unit is one of smaller than and equivalent to the predetermined size.
摘要:
A sheet conveying device is provided that may include a sheet receiving portion having a movable member, a protruding portion and a recessed portion. The protruding portion may protrude from an upper portion of a sheet receiving surface of the movable member when the movable member is located in one position. When a document is discharged from an outlet port onto the sheet receiving surface of the movable member, the protruding portion may come into contact with a leading edge of a sheet. When the movable member is located in another position, the recessed portion may receive the protruding portion therein.
摘要:
A sheet conveyor device may include a first portion configured to move, a cam configured to move in response to movement of the first portion, and a guide portion configured to move between first and second positions in response to the movement of the cam, to choose a first or second conveying path for a sheet. The cam may cause the guide portion to remain in position even if the first portion is moved a small amount, thereby helping to reduce the likelihood of paper jams arising from undesired movement of the guide portion.
摘要:
A cover opening-closing mechanism is provided, which is configured to allow a cover to rotate around a rotational axis with respect to a housing, the cover opening-closing mechanism including a connecting member configured to connect the housing with the cover, a first contact portion disposed at the cover, and a second contact portion disposed at the housing, the second contact portion configured to contact the first contact portion of the cover so as to hold the cover in a hold position relative to the housing.
摘要:
A sheet feeding device is formed with a sheet mounting part, and a sheet feeding unit defining a sheet feed path having inlet and outlet. The sheet feeding unit is configured to introduce the sheet on the sheet mounting surface from the inlet, feed the sheet along the feed path, and discharge the sheet from the outlet onto the sheet mounting part. The sheet mounting part includes first and second members arranged next to each other. The first and second members with a border therebetween define a sheet mounting surface. An end portion of one of the first and second members has one or more protruded portions, while an end portion of the other member has one or more slits configured to receive the one or more protruded portions. An upper surface of the one member is located at a higher position than the upper surface of the other member.
摘要:
An image reading apparatus has a separation section configured to supply a sheet one by one, at least three driving rollers arranged on a downstream, in a sheet conveying direction, of the separation section and configured to convey the sheet, at least three driven rollers configured to be urged by the driving rollers and driven to rotate by rotation of the driving rollers, respectively, and an image reader unit configured to read an image of the sheet conveyed in the conveying direction. Sheet conveying forces by one of at least three driven rollers and one of at least three driving rollers arranged at the central portions in the sheet width direction is greater than sheet conveying forces by others of the at least three driven rollers and others of the at least three driving rollers arranged at both side portions in the sheet width direction.
摘要:
In an image reading apparatus, it is judged whether an original sheet is a first sheet type, whose sheet length is longer than or equal to a first conveyance distance and shorter than a second conveyance distance, and a second sheet type, whose sheet length is longer than or equal to the second conveyance path, the first conveyance distance being a distance between a first conveyance roller and a second conveyance roller, the second conveyance distance being a distance between a supply roller and the second conveyance roller. At least one of a leading-edge arriving timing; a trailing-edge arriving timing; and a sub-scanning magnification is set dependently on the judged result. An image is read from the original sheet by using an image reading unit and a conveyance unit based on the set at least one of the leading-edge arriving timing; trailing-edge arriving timing; and sub-scanning magnification.
摘要:
A cover opening-closing mechanism is provided, which is configured to allow a cover to rotate around a rotational axis with respect to a housing, the cover opening-closing mechanism including a connecting member configured to connect the housing with the cover, a first contact portion disposed at the cover, and a second contact portion disposed at the housing, the second contact portion configured to contact the first contact portion of the cover so as to hold the cover in a hold position relative to the housing.