An intermediate unit includes a transportation path along which a medium, on which printing has been performed by a printing unit that performs printing on the medium by using liquid, is transported to a post processing unit that performs post processing on the medium. The transportation path is provided with a drying unit that accelerates the drying of the medium. The drying unit is driven according to the printing data.

A correction driving roller of a printing apparatus, which is used for transporting a paper sheet, includes at least one toothed roller that includes a plurality of wheels configured to be brought into contact with the paper sheet when the paper sheet is transported, and holders that hold the wheels, and is constructed such that the plurality of wheels are fixed to the holders while being arrayed in an axial direction orthogonal to the side surfaces of the wheels. Cut portions are formed on the wheel and are spaced away from each other when the toothed roller is viewed in the axial direction.

An image recording apparatus for recording an image on a sheet includes a recording section which records the image on the sheet in a transport passage for transporting the sheet in a transport direction and multiple plates which are spaced apart from each other in a widthwise direction. These multiple plates include a first type of plate and a second type of plate. Plates of a first type of plate are configured to overlap a sheet when viewed in a direction perpendicular to the transport direction and the widthwise direction, while plates of the second type of plate do not.

An extrusion-based production system (300), comprising: a filament roll with a thermoplastic filament (2); at least one assembly with: an entrance (3) for receiving the filament; an exit (4) for delivering the filament, a channel (5) between the entrance and exit; a first and second rotatable component (10, 20), respectively rotatable about a first/second axis (12, 22), and having first/second external ridges (11, 21), wherein, when a filament is introduced into the channel, and the at least one assembly is rotated with respect to the filament (2), the rotatable components rotate about their respective axis, and the axes move about the filament such that the components mainly roll over the filament, and the external ridges (11) penetrate at least partially into the filament (2). A method for feeding a thermoplastic filament.

In an example, a clamp may include a roller disposed on a swingarm, a slide disposed on the swingarm that may apply friction against the roller in a first position and in a second position, a cam to engage with the slide, and a latch to retain the slide in the second position. The slide may move from the first position to the second position as the slide moves along the cam, and the slide may apply a greater friction against the roller in the second position than in the first position.

A transport device includes a skew correction unit configured to correct skew of a medium by colliding with the medium and a buffer unit provided with a contact portion configured to come into contact with the medium between a first transport unit transporting the medium to the skew correction unit and the skew correction unit in a transport direction. The buffer unit is configured such that a second transport velocity is lower than a first transport velocity, the first transport velocity being a transport velocity of the medium upstream of the buffer unit in the transport direction, the second transport velocity being a transport velocity of the medium when the medium collides with the skew correction unit after coming into contact with the contact portion. The buffer unit is configured such that the contact portion does not collide with the medium strongly enough to correct the skew of the medium.

A sheet conveying device includes a conveying roller configured to convey a sheet and a plurality of driven rotating units. The conveying roller includes a plurality of roller portions disposed at positions opposite to the driven rotating units. Each of the roller portions has three or more annular grooves arranged side by side. Each of the driven rotating units includes three or more driven rotating bodies that are disposed at positions opposite to the annular grooves, respectively. A plurality of convex portions and a plurality of concave portions are alternately provided on an outer edge of each of the driven rotating bodies. The driven rotating bodies include two first rotating bodies positioned at both ends and one or more second rotating bodies located between the first rotating bodies and having an outer diameter smaller than the outer diameter of the first rotating bodies.

A conveyance device includes a plurality of pairs of rotators and a conveyance path. The pairs of rotators include first rotators disposed adjacent to a reverse side of a liquid-adhered surface of a sheet and second rotators disposed adjacent to the liquid-adhered surface. The second rotators have protrusions. Each pair of rotators includes one first rotator and two or more second rotators. The conveyance path includes at least one curved conveyance portion. The pairs of rotators are disposed at intervals on the conveyance path in a conveyance direction. The one first rotator and the two or more second rotators in at least one of the pairs are disposed in contact with each other. The number of the two or more second rotators arranged in a sheet width direction is larger in an upstream portion than in a downstream portion of the conveyance path in the conveyance direction.

An intermediate unit includes a transportation path provided with a drying unit that accelerates the drying of the medium. The transportation path includes an inlet path, an outlet path, a first branch path, a second branch path, a first junction path, a second junction path, a switch-back type inversion path with a first inversion path and a second inversion path. The first branch path and the second branch path which branch off at a branch point from the inlet path. The first junction path and the second junction path and the outlet path join each other at a junction point. The first branch path and the first junction path and the first inversion path join each other at a first connection point. The second branch path and the second junction path and the second inversion path join each other at a second connection point.

A sheet post-processing apparatus includes an output tray on which a sheet ejected from a sheet outlet is stacked; a wall disposed downstream from the output tray in a sheet ejection direction; and an alignment member configured to contact and move the sheet on the output tray, to bring a rear end of the sheet in the sheet ejection direction into contact with the wall for alignment. The alignment member is selectively set at three positions of: an alignment position protruding beyond the wall toward the output tray to contact the sheet on the output tray; a withdrawn position inward of the wall; and a home position between the alignment position and the withdrawn position.