A registration system for a printing device and a method for controlling the same are disclosed. For example, the registration system includes at least one sensor to detect a position of a print media, a platform comprising a plurality of cellular omni wheels, and a processor communicatively coupled to the at least one sensor and the plurality of cellular omni wheels, wherein the processor calculates a desired movement of each one of the plurality of cellular omni wheels based on the position of the print media.

A registration system for a printing device and a method for controlling the same are disclosed. For example, the registration system includes at least one sensor to detect a position of a print media, a platform comprising a plurality of cellular omni wheels, and a processor communicatively coupled to the at least one sensor and the plurality of cellular omni wheels, wherein the processor calculates a desired movement of each one of the plurality of cellular omni wheels based on the position of the print media.

A paper feeding device includes a lower cover, an upper cover pivotally covered to the lower cover, at least one motor mounted to the lower cover, a feeding roller assembly and a paper skew judging module. The feeding roller assembly is pivotally connected to the lower cover and connected with the at least one motor. The paper skew judging module disposed to the lower cover, has an infrared light emitter, an infrared light receiver, a cantilever arm rotatably assembled to the lower cover, a sensing roller pivotally connected with the cantilever arm, and a lens. The infrared light emitter is mounted to the lower cover. The infrared light receiver is mounted to the lower cover and is disposed opposite to the infrared light emitter. The lens is fastened to the cantilever arm, and disposed between the infrared light emitter and the infrared light receiver. The lens have different photopermeabilities.

A paper feeding device includes a lower cover, an upper cover pivotally covered to the lower cover, at least one motor mounted to the lower cover, a feeding roller assembly and a paper skew judging module. The feeding roller assembly is pivotally connected to the lower cover and connected with the at least one motor. The paper skew judging module disposed to the lower cover, has an infrared light emitter, an infrared light receiver, a cantilever arm rotatably assembled to the lower cover, a sensing roller pivotally connected with the cantilever arm, and a lens. The infrared light emitter is mounted to the lower cover. The infrared light receiver is mounted to the lower cover and is disposed opposite to the infrared light emitter. The lens is fastened to the cantilever arm, and disposed between the infrared light emitter and the infrared light receiver. The lens have different photopermeabilities.

A sheet conveying device includes a detector configured to detect an attitude of a conveyance target medium, a corrector configured to perform a correcting operation based on a detection result of the detector, and circuitry configured to calculate an angular displacement correction amount and a lateral displacement correction amount of the conveyance target medium, cause the corrector to perform the correcting operation in a direction perpendicular to a sheet conveying direction, based on the lateral displacement correction amount, after the corrector grips the conveyance target medium, and cause the corrector to rotate by the angular displacement correction amount of the conveyance target medium before the corrector grips the conveyance target medium and to perform the correcting operation in a direction of rotation of the conveyance target medium, based on the angular displacement correction amount, after the corrector grips the conveyance target medium.

A sheet conveying device includes a detector configured to detect an attitude of a conveyance target medium, a corrector configured to perform a correcting operation based on a detection result of the detector, and circuitry configured to calculate an angular displacement correction amount and a lateral displacement correction amount of the conveyance target medium, cause the corrector to perform the correcting operation in a direction perpendicular to a sheet conveying direction, based on the lateral displacement correction amount, after the corrector grips the conveyance target medium, and cause the corrector to rotate by the angular displacement correction amount of the conveyance target medium before the corrector grips the conveyance target medium and to perform the correcting operation in a direction of rotation of the conveyance target medium, based on the angular displacement correction amount, after the corrector grips the conveyance target medium.

A registration system for a printing device and a method for controlling the same are disclosed. For example, the registration system includes at least one sensor to detect a position of a print media, at least one laterally adjustable nip, wherein the laterally adjustable nip moves along an inboard direction and an outboard direction, a motor coupled to the at least one laterally adjustable nip to move the at least one laterally adjustable nip a desired amount of movement based on the position of the print media and a width of the print media, and a processor communicatively coupled to the at least one sensor and the motor to calculate a desired amount of movement based on the position of the print media and control the motor to move the at least one laterally adjustable nip by the desired amount of movement.

A registration system for a printing device and a method for controlling the same are disclosed. For example, the registration system includes at least one sensor to detect a position of a print media, at least one laterally adjustable nip, wherein the laterally adjustable nip moves along an inboard direction and an outboard direction, a motor coupled to the at least one laterally adjustable nip to move the at least one laterally adjustable nip a desired amount of movement based on the position of the print media and a width of the print media, and a processor communicatively coupled to the at least one sensor and the motor to calculate a desired amount of movement based on the position of the print media and control the motor to move the at least one laterally adjustable nip by the desired amount of movement.

A sheet conveying device includes a position detector configured to detect a position of a side end portion of a conveyance target medium, a position adjuster configured to move in at least one of a width direction of the conveyance target medium and a rotation direction of the conveyance target medium within a plane of sheet conveyance, while conveying the conveyance target medium, and adjust a position of the conveyance target medium, according to the position of the side end portion of the conveyance target medium detected by the position detector, a transfer rotary body disposed downstream from the position adjuster in a sheet conveying direction and having a receiver mounted on the rotary body to receive the conveyance target medium, and circuitry configured to change a rotation speed of the transfer rotary body according to the position of the conveyance target medium after adjusted by the position adjuster.

A sheet conveying device includes a position detector configured to detect a position of a side end portion of a conveyance target medium, a position adjuster configured to move in at least one of a width direction of the conveyance target medium and a rotation direction of the conveyance target medium within a plane of sheet conveyance, while conveying the conveyance target medium, and adjust a position of the conveyance target medium, according to the position of the side end portion of the conveyance target medium detected by the position detector, a transfer rotary body disposed downstream from the position adjuster in a sheet conveying direction and having a receiver mounted on the rotary body to receive the conveyance target medium, and circuitry configured to change a rotation speed of the transfer rotary body according to the position of the conveyance target medium after adjusted by the position adjuster.