B41J15/165

Printing apparatus and printing method
10766285 · 2020-09-08 · ·

A printing apparatus includes a transporting unit that transports a printing medium, a transporting unit encoder that outputs a movement amount information indicating a movement amount of the printing medium, a medium winding unit disposed downstream of the guide member with respect to the transporting unit and winds the printing medium, a tension applying unit including a tension bar that presses the printing medium at a location between the transporting unit and the medium winding unit while the tension bar is moving between an upper limit position and a lower limit position and applies tension to the printing medium, a tension applying unit encoder that outputs a rod member location information indicating a position of the tension bar, and a control unit that determines a movement state of the printing medium at the tension applying unit, based on the movement amount information and the rod member location information.

MEDIUM TRANSPORT DEVICE, RECORDING DEVICE, AND MEDIUM TRANSPORT METHOD
20200276843 · 2020-09-03 ·

A medium transport device includes a transport unit configured to transport a medium in a transport direction, a winding unit configured to wind the medium, a tension applying unit configured to apply a tension to the medium between the transport unit and the winding unit, a drive unit configured to drive the tension applying unit, and a controller configured to control the drive unit, in which the controller is configured to control the drive unit such that an application of the tension by the tension applying unit is released at a time when a subsequent transport operation by the transport unit is started after a termination of an winding operation of the medium by the winding unit.

LIQUID EJECTION APPARATUS, WINDING CONTROL METHOD, AND COMPUTER READABLE RECORDING MEDIUM

A liquid ejection apparatus includes a conveying unit, a winding unit, a printing unit, and a rotation control unit. The conveying unit is configured to intermittently convey a printing medium by a predetermined feed amount. The winding unit is configured to wind the printing medium conveyed by the conveying unit. The printing unit is configured to perform printing on the conveyed printing medium. The rotation control unit is configured to control the winding unit to rotate in a winding direction at a predetermined timing after the conveying unit has started to convey the printing medium intermittently, and then cause the winding unit to rotate in a reverse direction opposite to the winding direction.

Recording device
10737515 · 2020-08-11 · ·

Provided is a recording device including a conveying portion configured to convey a medium in a conveying direction, a recording unit configured to record on the medium conveyed in the conveying direction, a guiding portion disposed further downstream in the conveying direction than the recording portion and configured to change the conveying direction while guiding conveyance of the medium, a winding portion disposed further downstream in the conveying direction than the guiding portion and configured to wind the medium, and a heating portion configured to heat the medium disposed between the recording portion and the winding portion in the conveying direction, heat the guiding portion, and heat the winding portion.

PRINTING APPARATUS
20200223242 · 2020-07-16 ·

There is provided a printing apparatus that is capable of reducing an occurrence of transport disorder of a medium when transporting the medium unwound from an unwinding unit that holds a roll body.

The printing apparatus performs printing on the medium unwound from the roll body having the medium wound into a cylindrical shape, the printing apparatus including: an unwinding unit 40 that rotatably holds the roll body and unwinds the medium by rotating the roll body; a transport unit that transports the medium unwound from the unwinding unit 40; and a printing unit that performs printing on the medium transported by the transport unit. The unwinding unit 40 includes a first rotary body 441 that is integrally rotatable with the roll body by engaging with a first end of the roll body, a second rotary body 451 that is integrally rotatable with the roll body by engaging with a second end of the roll body, a first motor 442 that rotatably drives the first rotary body 441, and a second motor 452 that rotatably drives the second rotary body 451.

Printer
10710385 · 2020-07-14 · ·

A printer includes a platen roller portion (23) that feeds a continuous paper, a printing head portion (13) that performs printing on the continuous paper, and a damper portion (15) that reduces a stress acting on the continuous paper. In a case of a transition from a state where the printing head portion (13) is positioned on an open position separated from the platen roller portion (23) and the damper portion (15) is positioned on an open position separated from the continuous paper to a state where the printing head portion (13) is positioned on a closed position opposing the platen roller portion (23) and the damper portion (15) is positioned on a closed position abutting on the continuous paper, the damper portion (15) moves to the closed position after the printing head portion (13) moved to the closed position.

Medium feeding apparatus
10703118 · 2020-07-07 · ·

A medium feeding apparatus includes a feeding roller which feeds a medium unwound from a roll body around which the medium is wound, a roll motor which applies torque for rotating the roll body to the roll body, and a roll control portion which controls the roll motor at the time of a feeding operation based on effective tension calculated by acquiring a feeding amount of the medium fed at each of a plurality of acquiring timings included in a pre-feeding operation, which is a feeding operation performed in advance, acquiring tension applied to the medium between the roll body and the feeding roller between a plurality of the acquiring timings, and weighting a plurality of the acquired tensions with the corresponding feeding amount.

Print unit and printer

A print unit is disposed in an apparatus having a printing function. The print unit includes a print engine configured to perform printing on a continuous sheet, and a damper located on an upstream side of a sheet entrance of the print engine in a sheet traveling direction and configured to adjust tension applied to the continuous sheet to be fed to the print engine. The damper includes a sheet guide having a planar guide portion which guides the continuous sheet to the sheet entrance, and an end portion of the guide portion on a downstream side in a sheet traveling direction is configured as a fixed end resting on the sheet entrance, and another end portion thereof on an opposite side is configured as a swinging end which is elastically biased toward the continuous sheet by a spring force of a spring.

PRINTER
20200198375 · 2020-06-25 ·

In accordance with an embodiment, a printer comprises a housing section configured to accommodate a roll body obtained by winding an elongated image receiving medium in a roll shape; a conveyance section configured to pull out the image receiving medium from the roll body to convey it; a printing section configured to perform printing on the image receiving medium pulled out of the roll body by the conveyance section; and a buffer device arranged at the bottom of the housing section on an upstream side of the conveyance section along a direction in which the image receiving medium is pulled out by the conveyance direction so as to apply a pressing force in a direction towards the roll body to the image receiving medium pulled out of the roll body.

Printing apparatus

A printing apparatus capable of fixing a medium appropriately during printing is provided. The printing apparatus includes a feeding roller, a printing portion configured to make a print on the textile supplied from the feeding roller, and a conveyance portion configured to convey the textile to the printing portion. The conveyance portion includes a pressure roller configured to sandwich the textile and rotate along with conveyance of the textile. The printing apparatus further includes a brake roller disposed between the pressure roller and the feeding roller for producing force acting on the textile against conveyance force for the textile by the conveyance portion to apply tension to the textile between the brake roller and the pressure roller. Tension smaller than tension exerted on the textile between the brake roller and the pressure roller is exerted on the textile between the brake roller and the feeding roller.