Patent classifications
B65H2513/41
Medium conveying apparatus for controlling feeding a medium
A medium conveying apparatus includes a feed roller, a brake roller, a motor to generate a driving force, a first transmission mechanism to transmit the driving force to the brake roller through a first torque limiter, to rotate the brake roller in a direction opposite to a medium feeding direction, a second transmission mechanism to transmit the driving force to the brake roller through a second torque limiter, bypassing the first torque limiter, to rotate the brake roller in the direction opposite to the medium feeding direction, and a processor to detect media multi-feed, and perform control in such a way as to transmit the driving force to the brake roller by the second transmission mechanism and also cause the feed roller to be driven to rotate in the direction opposite to the medium feeding direction by the brake roller, when the media multi-feed is detected.
CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE CONVEYING DEVICE
A conveying device includes a first pair of nipping rollers, a second pair of nipping rollers, a position corrector configured to correct a position of a recording medium in a width direction of the recording medium, an end position detector configured to detect an end position of the recording medium in the width direction, and circuitry configured to, in adjustment of the end position detector, stop conveying the recording medium in response to arrival of a leading end of the recording medium at the end position detector, cause the position corrector to move the recording medium toward an outside of the conveyance passage in the width direction to a position at which the end position detector is covered by the recording medium, adjust the output of the end position detector, and cause the end position detector to detect the recording medium.
Sheet feeding device, image forming apparatus, and control method
A sheet feeding device includes a conveyance rotator, a separation rotator, a torque applier, a torque control circuit, and a torque transmission switcher. The conveyance rotator conveys a sheet in a sheet feeding direction. The separation rotator sandwiches the sheet together with the conveyance rotator. The torque applier applies a reverse torque to the separation rotator in a sheet reversing direction to reverse the sheet. The torque control circuit controls the reverse torque applied to the separation rotator to be equal to or less than a given value. The torque transmission switcher switches, between a transmission state and a non-transmission state, a state of a torque transmission path between the torque applier and the separation rotator. The transmission state is a state in which the reverse torque is transmitted. The non-transmission state is a state in which the reverse torque is not transmitted.
Feeding device and sheet processing device with the same
A feeding device comprises a suction feeding unit having a belt for feeding a sheet in a suction state and a belt driving unit, a sheet detection sensor, and a control unit. The control unit controls the belt drive unit so as to feed the sheet in a feeding direction at a first speed. If the sheet does not arrive at the sheet detection sensor, the control unit controls the belt drive unit so as to execute a low-speed feeding of moving the belt in the feeding direction at a second speed lower than the first speed or so as to execute a reverse feeding of moving the belt in a reverse feeding direction opposite to the feeding direction.
Feeding device and sheet processing device with the same
A feeding device comprises a suction feeding unit having a belt for feeding a sheet in a suction state and a belt driving unit, a sheet detection sensor, and a control unit. The control unit controls the belt drive unit so as to feed the sheet in a feeding direction at a first speed. If the sheet does not arrive at the sheet detection sensor, the control unit controls the belt drive unit so as to execute a low-speed feeding of moving the belt in the feeding direction at a second speed lower than the first speed or so as to execute a reverse feeding of moving the belt in a reverse feeding direction opposite to the feeding direction.
Recording apparatus
A recording apparatus includes a first medium transport path, a reverse path for reversing a surface of a medium, a third medium transport path that guides the medium to the reverse path, a first drive roller configured to rotate in a forward rotation direction that sends the medium toward a discharge port and in a reverse rotation direction opposite to the forward rotation direction, and a second drive roller provided in the third medium transport path and configured to rotate only in the forward rotation direction for sending the medium toward the reverse path, in which a transport force applied to the medium by the first drive roller when the first drive roller rotates in the forward rotation direction is stronger than a transport force applied to the medium by the second drive roller when the second drive roller rotates in the forward rotation direction.
Recording apparatus
A recording apparatus includes a first medium transport path, a reverse path for reversing a surface of a medium, a third medium transport path that guides the medium to the reverse path, a first drive roller configured to rotate in a forward rotation direction that sends the medium toward a discharge port and in a reverse rotation direction opposite to the forward rotation direction, and a second drive roller provided in the third medium transport path and configured to rotate only in the forward rotation direction for sending the medium toward the reverse path, in which a transport force applied to the medium by the first drive roller when the first drive roller rotates in the forward rotation direction is stronger than a transport force applied to the medium by the second drive roller when the second drive roller rotates in the forward rotation direction.
APPARATUS FOR MOVING A MEMBER
Disclosed is a moving device. A moving device for moving a tubular member according to an aspect of the present disclosure may include a housing through which the tubular member passes, a first roller and a second roller arranged to face both sides of the tubular member inside the housing and having outer circumferential surfaces that presses the tubular member, an actuator that provides a driving force for rotating the first roller, a sensor that measures a movement amount of the tubular member, and a controller that controls the actuator on the basis of the movement amount of the tubular member, wherein, when the first roller rotates, the tubular member between the first roller and the second roller moves by a frictional force.
PRINTING APPARATUS AND CONTROL METHOD THEREOF, AND STORAGE MEDIUM
A printing apparatus includes a supply unit configured to supply a print medium, an intermediate roller configured to transport the print medium, a transport roller configured to transport the print medium, a printing unit configured to print an image on the print medium, a reversing path configured to return, to the intermediate roller, the print medium which has been reversed front to back, and a control unit capable of first control for causing a second print medium supplied from the supply unit to overlap a first print medium being printed onto by the printing unit, and second control for causing a second print medium transported from the reversing path to overlap the first print medium being printed onto by the printing unit.
MEDIA SHEET SKEW CORRECTION
In an example of the disclosure, a driver correction specification is calculated based upon a time differential between a first sensor detection of a first portion of a leading edge of a media sheet and second sensor detection of a second portion of the leading edge. The driver correction specification is for causing skew correction of the media sheet as the media sheet moves along a media path to impact a blocker element. The driver is caused to operate according to the calculated driver correction specification.