B41J11/002

Tension adjustments in printers to prevent slipping

In example implementations, a printing device is provided. The printing device includes a printer module, a first driver roller, and a second drive roller. The printer module includes a single set of print bars. A first side of the single set of print bars is to print on a first side of a continuous web of print media and a second side of the single set of print bars is to print on a second side of the continuous web of print media. The continuous web of print media travels over a common set of idler rollers. The first driver roller is to control an amount of tension of the continuous web of print media on a first side. The second drive roller is to control an amount of tension of the continuous web of print media on a second side. The amount of tension of the continuous web of print media on the second side is greater than the amount of tension of the continuous web of print media on the first side.

Inkjet printing device, inkjet printing method, and method for controlling glossiness of printed image

Provided is an inkjet printing device including an ink storage unit configured to store an ink, an ejection head configured to eject the ink to form a print layer, and a heating unit configured to heat a material to be printed, wherein the ink is an aqueous clear ink including a resin and water, the inkjet printing device has a low gloss printing mode that is a printing mode for imparting low gloss, and a high gloss printing mode that is a printing mode for imparting high gloss, and the heating unit is configured to heat to satisfy the following formula T.sub.matte>T.sub.gloss, where T.sub.matte (degrees Celsius) is a temperature of a low gloss printing region of the material to be printed where the low gloss printing region is printed with the low gloss printing mode when the aqueous clear ink is deposited on the material to be printed, and T.sub.gloss (degrees Celsius) is a temperature of a high gloss printing region of the material to be printed where the high gloss printing region is printed with the high gloss printing mode when the aqueous clear ink is deposited on the material to be printed.

Laminated body and method for producing the same, curable liquid composition set, inkjet printing apparatus, and inkjet printing method
11498351 · 2022-11-15 · ·

A method for producing a laminated body including a first curable liquid composition and a second curable liquid composition, the method including: forming a first liquid layer formed of the first curable liquid composition; impacting the second curable liquid composition onto the first liquid layer, to form a second liquid droplet layer formed of the second curable liquid composition inside the first liquid layer or at a lower part of the first liquid layer in a direction in which second liquid droplets for the second liquid droplet layer are impacted onto the first liquid layer; and curing the first liquid layer and the second liquid droplet layer.

INKJET PRINTER AND INKJET PRINTING METHOD USING THE SAME
20230102600 · 2023-03-30 ·

An inkjet printer for preventing ink flow, color blurring and color mixing during multicolor printing when image formation is performed with aqueous ink on a web-shaped printing base material, and an inkjet printing method using the inkjet printer. The inkjet printer is configured to perform image formation by discharging aqueous ink to a web-shaped printing base material, and includes: a conveyance mechanism configured to continuously convey the web-shaped printing base material; a single-pass system inkjet head configured to discharge the aqueous ink to a surface of the web-shaped printing base material conveyed by the conveyance mechanism; and a surface pre-heating unit arranged on an upstream side of conveyance from the single-pass system inkjet head and configured to heat at least the surface of the web-shaped printing base material. Image formation is performed on the web-shaped printing base material heated by the surface pre-heating unit.

Media sensors

An example a media sensor device may comprise a light source positioned on a first side of a media pathway, a light path to receive a light from the light source and direct the light through a plurality of openings from the first side of the media pathway to a second side of the media pathway, and a light sensor on the second side of the media pathway to detect print media within the light path based on an intensity of light received from the light source, wherein a heated enclosure aligns the light sensor with the light path.

TRANSPORT DEVICE, DRYING DEVICE, AND PRINTING APPARATUS
20230034087 · 2023-02-02 · ·

There is provided a transport device which transports a web-shaped substrate from a first atmosphere of a first atmosphere temperature to a second atmosphere of a second atmosphere temperature different from the first atmosphere temperature along a transport path, the transport device including a plurality of pass rollers that are disposed in the transport path and that each support the substrate, and a plurality of heaters that heat the plurality of pass rollers respectively. The plurality of heaters perform heating such that the closer a pass roller is to an upstream side of the transport path, the closer a temperature to which the pass roller is heated is to the first atmosphere temperature and the closer a pass roller is to a downstream side of the transport path, the closer a temperature to which the pass roller is heated is to the second atmosphere temperature.

APPARATUS FOR INKJET PRINTING AND CURING INTEGRATION PROCESS
20230035455 · 2023-02-02 ·

An apparatus for inkjet printing and curing process for performing on more than one side of a workpiece in one continuous sequential process, the workpiece is shaped as a cube configured with a first surface, a second surface opposite to the first surface, and side surfaces connected between the first surface and the second surface. The apparatus for inkjet printing and curing integration process comprises a base, a supporting module, a printing module, a rotary module, and a transporting module, wherein the transporting module moves the workpiece under the printing module for being printed and cured on one side, then the rotary module rotates the workpiece such that a different side is presented for inkjet printing and curing. The printing module thus performs a continuous inkjet printing and curing process on more than one side of a workpiece, and the working efficiency is improved.

Dryer rollers of a print system with increasing contact area

Systems and methods for dryer rollers of a print system with increasing wrap angles. In one embodiment a dryer includes a turning device configured to rotate about an axis, and to guide a web of print media. The dryer also includes rollers configured to transport the web from an entrance of the dryer to the turning device. The rollers include a series of three or more rollers positioned in the dryer to consecutively increase an amount of contact area with the web as the web travels toward the turning device.

PRINTING APPARATUS
20230091887 · 2023-03-23 ·

A printing apparatus for applying ink to a target print medium to form an image by a print unit, comprising a plurality of temperature regulation units juxtaposed in a conveyance direction of the target print medium and each configured to regulate a temperature of the target print medium, a plurality of measurement units each configured to measure the temperature of the target print medium, and a control unit configured to make a temperature regulation capability of each temperature regulation unit variable, wherein each temperature regulation unit regulates temperature in a widthwise direction of the target print medium, each measurement unit measures the temperature in the widthwise direction of the target print medium, and the control unit controls the plurality of temperature regulation units based on the measured temperatures.

Polarity fixation of ink particles

A device includes a first portion and a first charge source. The first portion is located along a travel path of a substrate and is to receive ink particles within a carrier fluid in a pattern onto the substrate to at least partially form an image. The first charge source is downstream along the travel path from the first portion and is to emit first polarity charges to charge the at least first color ink particles to move, via electrostatic attraction through the first carrier fluid, to become electrostatically fixed in the pattern relative to the substrate. Via the first charge source or a subsequent charge source, further emission of opposite second polarity charges are to maintain electrostatic fixation of the ink particles in the pattern relative to the substrate.