Abstract:
A print head unit is provided with preset head identification information that is based on variations in print head unit characteristics arising in the course of manufacturing the print head unit. The printer executes printing processing in accordance with printing processing parameters that are determined on the basis of the head identification information.
Abstract:
The printer has a photo-emitter unit, a photo-receptor unit and a controller. The photo-emitter unit includes a photo sensor having a gain adjustment terminal and an output signal terminal. It also includes a variable voltage supply unit that is connected to the gain adjustment terminal and can supply variable voltage signal to the gain adjustment terminal. The controller detects an output signal of the photo sensor while the voltage level of the variable voltage signal is being changed, and sets the voltage level of the variable output signal to a level appropriate for ink droplet expulsion testing, based on the relationship between the voltage level of the variable voltage signal and the output signal of the photo sensor.
Abstract:
An ink jet recording apparatus, which records a image on a recording medium using a recording head provided with a plurality of ink discharge ports, includes a rotative platen having a plurality of supporting pieces arranged at predetermined intervals; a rotation unit for rotating the platen; a conveyance units for conveying the recording medium; a control unit for controlling the rotation unit to rotate the platen in the conveying direction of the recording medium in synchronism with the conveyance of the recording medium when recording is performed near the edge of the recording medium conveyed by the conveyance unit. With the structure thus arranged, this ink jet recording apparatus is capable of performing the entire area recording (no margin recording) on a recording medium without staining the platen that supports the recording medium at the time of recording.
Abstract:
An image forming method which widens the range of materials usable for an image forming method that employs an ink-jet technique and yields an image with high image quality and high homogeneity. An image pattern forming material containing an adhesive material is discharged onto a transfer layer surface of an image transfer material or onto an image receiving layer surface of an image receiving material, and the image pattern forming material is formed in an image pattern. The transfer layer surface of the image transfer material is closely contacted with the image receiving layer surface of the image receiving material. The image transfer material is peeled off from the image receiving material and portions of the transfer layer are stripped off in an image pattern from the image transfer material by the image pattern forming material. Thus, the image is formed on the image receiving material.
Abstract:
A printing system for selectively printing with dye-based and/or pigment-based inks depending upon factors including, but not limited to, the type of media, the nature of the print job, and the level of print quality desired. The printing system includes a print head with two (or more) pigment-based black pens, a dye-based black pen, and a plurality of color pens. In a preferred embodiment, the pens are arranged in the following sequence: KABCMY, K being a dye-based black ink dispenser, A and B being pigment-based black ink dispensers, C being a dye-based cyan ink dispenser, M being a dye-based magenta ink dispenser, and Y being a dye-based yellow ink dispenser. This print head arrangement allows the selective printing with dye-based and/or pigment-based inks functionality to be implemented for different types of print media without having to replace print heads and/or cartridges of the printing system. This print head arrangement also accommodates bi-directional printing and under/overprinting printer system features.
Abstract:
A print apparatus carries out printing by allowing an ink and a processing liquid that makes the ink insoluble to deposit on a printing medium in such a way that they are deposited on each other on a printing medium. A head that ejects the ink or processing liquid and the printing medium are relatively moved in a primary scanning direction. A processing liquid droplet and a black ink droplet are sequentially ejected at the same positions in the direction opposite to the relative moving direction from the respective ejection ports provided at a predetermined space in the relative moving direction on the head. This configuration allows a splashing liquid droplet caused by a subsequent black ink droplet depositing on the processing liquid droplet previously depositing on the printing medium at a position, to be ejected in the direction opposite to the relative moving direction of the head and the printing medium, thereby preventing the splashing liquid droplet from splashing on a face of the head to deposit thereon.
Abstract:
An ink jet printhead includes a plurality of nozzles each adapted to eject drops of ink through an opening toward a surface to be printed; wherein the opening is asymmetrical to provide a flight direction of ejected drops that differs from the flight direction provided if the opening were symmetrical.
Abstract:
Predetermined geometric constructs reduce heat loss in a vacuum platen and assist in the reduction of paper cockle in ink-jet printing. A vacuum platen for supporting media during printing is provided with a plurality of heating elements and surfaces interspersed with vacuum ports. The heater elements are laid into surface channels of the platen such that an insulative gap separates the heaters from the main platen support structure. In an alternative embodiment, an insulative gasket is provided for the gap.
Abstract:
An ink-jet applicator comprises a print head including a housing; a guide operably secured to the housing to guide the housing across a medium being imprinted; a UV light source disposed at one end of the guide to generate a beam of radiation; and a mirror carried by the housing adapted to reflect the beam onto the UV curable coating deposited by the print head onto the work surface.