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, omni wheels, a motor coupled to each omni wheel, a translating carriage, and a processor communicatively coupled to the at least one sensor, the motors, and the translating carriage, wherein the processor calculates a desired movement to move the omni wheels and the translating carriage based on the position of the print media.

A medium transporting apparatus including a paddle that comes in contact with a medium discharged on a first tray including an upstream end matching member and that rotates to move the medium towards the upstream end matching member, and a low frictional resistance member configured to switch between an advanced state advanced from outside a medium mount region of the first tray to a first region, and a retracted state retracting from the first region to an outside of the medium mount region. The low frictional resistance member is, after a first medium is mounted on the first tray, switched from the retracted state to the advanced state, and is interposed between the first medium and a second medium when, after discharging the first medium, moving the second medium discharged from a pair of discharge rollers towards the upstream end matching member with the paddle.

A medium transporting apparatus includes a first tray on which a medium discharged with a pair of discharge rollers that discharges a medium is mounted, a guide member that contacts the medium, which is discharge with the pair of discharge rollers, from above, and that guides the medium to the first tray, and a width direction matching member that matches an end portion of the medium, which has been discharged on the first tray, in the width direction that intersects a discharge direction of the medium. The guide member and the width direction matching member move in the width direction in an interlocked manner.

A gravity-assisted registration system suited to use in a printing device includes a transport member with a surface on which an associated sheet is translated in a process direction. The surface defines an angle with respect to horizontal in a cross-process direction. A registration wall, adjacent a lower end of the surface, defines a registration edge for registering the sheet. A drive mechanism drives at least one rotation mechanism, for translating sheet in the process direction, each rotation mechanism including at least one drive member with an axis of rotation parallel to the surface in the cross-process direction, Each drive member includes a sliding mechanism, at a periphery of the drive member, enabling the sheet to slide, under gravity, on the surface, toward the registration wall into an alignment position, in contact with the registration wall.

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, omni wheels, a motor coupled to each omni wheel, and a processor communicatively coupled to the at least one sensor, and the motors, wherein the processor calculates a desired movement to move the 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 at least one multi-rotational wheel, and a processor communicatively coupled to the at least one sensor and the at least one multi-rotational wheel, wherein the processor calculates a desired movement of the at least one multi-rotational wheel 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, omni wheels, a motor coupled to each omni wheel, a translating carriage, and a processor communicatively coupled to the at least one sensor, the motors, and the translating carriage, wherein the processor calculates a desired movement to move the omni wheels and the translating carriage based on the position of the print media.

A gravity-assisted registration system suited to use in a printing device includes a transport member with a surface on which an associated sheet is translated in a process direction. The surface defines an angle with respect to horizontal in a cross-process direction. A registration wall, adjacent a lower end of the surface, defines a registration edge for registering the sheet. A drive mechanism drives at least one rotation mechanism, for translating sheet in the process direction, each rotation mechanism including at least one drive member with an axis of rotation parallel to the surface in the cross-process direction, Each drive member includes a sliding mechanism, at a periphery of the drive member, enabling the sheet to slide, under gravity, on the surface, toward the registration wall into an alignment position, in contact with the registration wall.

A sheet conveying device includes a drive roller, a driven roller, a guide, and a pressure mechanism. The drive roller rotates to convey a sheet in a sheet conveyance path. The driven roller is driven by the drive roller to rotate and convey the sheet in the sheet conveyance path with the drive roller. The guide has a center of rotation coaxially disposed with a center of rotation of the driven roller. The guide is rotated between a guide position and an open position, guides the sheet conveyed in the sheet conveyance path at the guide position, and opens open the sheet conveyance path at the open position. The pressure mechanism is disposed on the guide to press the driven roller to the drive roller in a pressure direction at a given contact pressure. The driven roller moves relative to the drive roller in an orthogonal direction to the pressure direction in conjunction with the guide rotating.

A medium transport device 1 including a device main body 12 having a transport path T for transporting a medium P, an outer door 30, an inner door 40 disposed with respect to the device main body 12 to the inside of the outer door 30, an outer hinge 31 that openably and closably attaches the outer door 30 to the device main body 12, and an inner hinge 41 that openably and closably attaches the inner door 40 to the device main body 12, wherein a pivot axis 15 of the outer hinge 31 and a pivot axis 5 of the inner hinge 41 both extend in a first direction and the outer hinge 31 and the inner hinge 41 overlap when viewed from a direction intersecting an outer door surface 30B of the outer door 30 in a closed state.