An image scanning apparatus comprises a pair of regulating members that regulates a position of the document sheet stacked on a stacking unit, at least one of the regulating members being movable in a width direction; and units that detects a length in the width direction between the regulating members, and detects the width of the document sheet conveyed by a conveyance unit; wherein in a case where a difference between the detected length and the detected width of a document sheet is smaller than a threshold, a first sheet-to-sheet interval is set, and in a case where the difference between the detected length and the detected width of the document sheet is larger than the threshold, a second sheet-to-sheet interval which is larger than the first sheet-to-sheet interval is set.

An image scanning apparatus comprises a pair of regulating members that regulates a position of the document sheet stacked on a stacking unit, at least one of the regulating members being movable in a width direction; and units that detects a length in the width direction between the regulating members, and detects the width of the document sheet conveyed by a conveyance unit; wherein in a case where a difference between the detected length and the detected width of a document sheet is smaller than a threshold, a first sheet-to-sheet interval is set, and in a case where the difference between the detected length and the detected width of the document sheet is larger than the threshold, a second sheet-to-sheet interval which is larger than the first sheet-to-sheet interval is set.

The postprocessing device includes: a stapling unit for stapling a sheet bundle with a staple; a discharge tray to which a bound sheet bundle bound with the staple is to be discharged; a moving member movable in both a direction of approaching the discharge tray and a direction of going away from the discharge tray; and a control section for, when the bound sheet bundle has been discharged, driving the moving member to execute a process of making the moving member hit against the bound sheet bundle or against the discharge tray.

The present invention provides a guide device for guiding print medium onto a take-up roll in a printing system. The guide device comprises a first guide member presenting a substantially planar surface for limiting or preventing lateral deviation of a printed medium output from the printing system as the medium moves along a transport path towards a take-up roll for winding or taking up a length of the medium. The first guide member is stationary in use. A position of the first guide member is adjustable in a direction transverse to the transport path for setting the position to limit or prevent lateral deviation of the medium along the transport path. The guide device further comprises a second guide member presenting a support surface configured and arranged to support the medium thereon as the medium travels along the transport path towards the take-up roll. The first guide member and the second guide member are preferably integrally formed as a guide unit. Further, the invention provides a printing system which incorporates such a guide device.

The present invention provides a guide device for guiding print medium onto a take-up roll in a printing system. The guide device comprises a first guide member presenting a substantially planar surface for limiting or preventing lateral deviation of a printed medium output from the printing system as the medium moves along a transport path towards a take-up roll for winding or taking up a length of the medium. The first guide member is stationary in use. A position of the first guide member is adjustable in a direction transverse to the transport path for setting the position to limit or prevent lateral deviation of the medium along the transport path. The guide device further comprises a second guide member presenting a support surface configured and arranged to support the medium thereon as the medium travels along the transport path towards the take-up roll. The first guide member and the second guide member are preferably integrally formed as a guide unit. Further, the invention provides a printing system which incorporates such a guide device.

A printing method of a printing apparatus which includes a transport unit, a transport position output unit, a mark detecting unit, a steering unit, and a storage unit, the method including first processing in which the medium is transported by a first distance in the second direction, and positions the first mark on the downstream side of the detecting region in the second direction; second processing in which arriving at a predetermined position of the first mark is detected based on the output value of the drum encoder and a reference value; and third processing in which printing is started based on a detecting timing of the first mark, in which the first distance is a first stable transport distance or more which converges a deviation amount in the third direction into a predetermined first deviation amount until the first mark reaches the first predetermined position.

An image forming apparatus includes: a plurality of droplets ejecting members that are opposed to a continuous sheet being conveyed, are arranged in a sheet conveying direction, and eject droplets onto the continuous sheet; movement restriction members that restrict movement, in a sheet width direction, of one end portion, in the sheet width direction, of a portion, opposed to the droplets ejecting members, of the continuous sheet; and tension application members that give tension in the sheet width direction to the portion, opposed to the droplets ejecting members, of the continuous sheet in a state that movement, in the sheet width direction, of the portion, opposed to the droplets ejecting members, of the continuous sheet is restricted by the movement restriction members.

A header cover encloses an end of an unwoven material cylinder to protect the unwoven material from damage or debris during storage or transportation. Unwoven material cylinders are commonly used to produce products such as clean suits, baby diapers, absorbent material, etc. The header cover includes a cover disc, a plurality of lateral-interfacing flaps, and a tethering ring. The cover disc and the plurality of lateral interfacing flaps encapsulate an end of the unwoven material cylinder. The plurality of lateral-interfacing flaps is perimetrically and foldably connected to the cover disc to allow the header cover to fold over an edge of the unwoven material cylinder. The tethering ring is adjacently connected to each lateral-interfacing flap of the plurality of lateral-interfacing flaps, such that as one lateral-interfacing flap is folded, every lateral interfacing flap is folded in the same direction.

An edge detection device that detects an edge position in a width direction orthogonal to a conveying direction of a conveyance object, and includes: a photoelectric converter that is arranged in a conveyance path of the object and includes photoelectric conversion elements aligned along the width direction; a binarizer that binarizes an output from each of the photoelectric conversion elements by threshold comparison; a detector that detects a position of the photoelectric converter at which a binarized value is switched; a storage that stores therein a detection range as a range used for edge detection among the photoelectric conversion elements for each size of the object; and a determiner that reads out the detection range corresponding to the size of the object from the storage and determines a position detected by the detector within the detection range to be an edge position in the width direction of the object.

An edge detection device that detects an edge position in a width direction orthogonal to a conveying direction of a conveyance object, and includes: a photoelectric converter that is arranged in a conveyance path of the object and includes photoelectric conversion elements aligned along the width direction; a binarizer that binarizes an output from each of the photoelectric conversion elements by threshold comparison; a detector that detects a position of the photoelectric converter at which a binarized value is switched; a storage that stores therein a detection range as a range used for edge detection among the photoelectric conversion elements for each size of the object; and a determiner that reads out the detection range corresponding to the size of the object from the storage and determines a position detected by the detector within the detection range to be an edge position in the width direction of the object.