Abstract: An image forming apparatus capable of suppressing density unevenness of a toner image formed on a photosensitive member. A light amount of a light beam that exposes an end portion of the photosensitive member is made different from a light amount of a light beam that exposes a central portion thereof in order to suppress a density difference between a toner image density at the central portion of the photosensitive member and that at the end portion thereof in a scanning direction of the light beams.

Abstract: A thermal head includes: a substrate; a heat storage layer disposed on the substrate; a heat-generating section disposed on the heat storage layer; an electrode electrically connected to the heat-generating section; a protection layer which coats the heat-generating section and a part of the electrode; and a first coating layer which coats a part of the protection layer and is disposed downstream in a transportation direction of a recording medium, with respect to the heat-generating section, the first coating layer including a first protrusion protruding towards a recording medium side, an end on a heat-generating section side of the first coating layer being positioned between the first protrusion and the heat-generating section, and the end on the heat-generating section side of the first coating layer being positioned in a range of L/2 from the heat-generating section, in which L is a distance between the heat-generating section and the first protrusion.

Abstract: The invention relates to a making apparatus for making an object comprising—a marking head (20) having a plurality of receiving spaces (24) for individual marking devices (40) and—a driving mechanism for providing a relative movement of the object (8) relative to the marking head (20) in an advance direction (16), wherein—the receiving spaces (24) are arranged in a plurality of rows (30) and columns (32), such that an array (22) of receiving spaces (24) with a rectangular pattern of the receiving spaces (24) is formed, and—the array (22) of receiving spaces (24) is tilted with regard to the advance direction (16)—the marking head (20) comprises a receiving plate (28) having a plurality of receiving holes (26) formed as through-holes therein, the receiving holes (26) forming the receiving spaces (24) for the individual marking devices (40),—the marking devices (40) each include a ferrule (42) which is insertable into a receiving hole (26) of the receiving plate (28), and—the receiving holes (26) are formed to

Abstract: A printing device may include a medium conveying passage along which the printing medium is conveyed; a printing thermal head structured to heat an ink ribbon; a ribbon supplying part; a ribbon winding part; an erasing thermal head disposed between the printing thermal head and the ribbon winding part in a feed direction of the ink ribbon, the erasing thermal head heating the ink ribbon after ink is transferred by the printing thermal head; a transferred roller oppositely disposed to the erasing thermal head and is transferred with ink of the ink ribbon heated by the erasing thermal head; and a roller holding part which holds the transferred roller. The transferred roller may be capable of being attached to and detached from the roller holding part.

Abstract: A heat source opening and closing mechanism, around a rotation shaft of which a plurality of spring members are wound, is opened and closed an outside unit including a first heating member and a second press roller against an inside unit including a second heating member and a first press roller. The heat source opening and closing mechanism is opened and closed among a closed position where the first press roller faces to the first heating member and the second press roller faces to the second heating member, a first open state in which the load by the outside unit is commensurate with a first elastic force of the spring member, and a second open state in which an opening angle is larger than that in the first open state.

Abstract: The disclosure discloses a printer including a first memory, a color detecting portion, a color identification information determining portion, and a transmitting portion. The first memory stores color correlations between a plurality of color types and a plurality of color identification information. The color detecting portion detects first color information of a print-receiving tape and second color information of an ink ribbon, of a tape cartridge mounted to a cartridge holder. The color identification information determining portion determines first color identification information of a color type corresponding to the first color information, and second color identification information of a color type corresponding to the second color information, by referring to color correlations.

Abstract: A surface emitting laser array includes a light emitting unit having a lower reflection mirror, a resonator structure including an active layer, and an upper reflection mirror laminated on a substrate; an electrode for the light emitting unit; a wiring member that establishes electrical connection between the light emitting unit and the electrode; and the substrate on which more than one of the light emitting units, the electrodes, and the wiring members are arranged. The light emitting unit has anisotropic internal stress, and the distance between the center of a first light emitting unit and the center line of the corresponding wiring member is arranged to be different from the distance between the center of a second light emitting unit and the center line of the corresponding wiring member so that variations in the polarization directions of the light emitting units may be within a predetermined range.

Abstract: An optical print head, including: a light emitting substrate which includes a light emitting element on a base; a rod lens array which focuses light emitted from the light emitting element onto an image carrier, the rod lens array having a larger linear expansion coefficient than the base of the light emitting substrate; and expansion suppressing members which are attached to both lateral surfaces of the rod lens array in a direction that is perpendicular to an optical axis direction and is a shorter direction, each of the expansion suppressing members having a smaller linear expansion coefficient than the rod lens array.

Abstract: The invention relates to a marking apparatus (10) for marking an object comprising a marking head (20) having a plurality of marking devices (40, 40a, 40b) for applying a marking on the object and a driving mechanism for providing a relative movement of the object relative to the marking head in an advance direction (16) during a marking operation. The marking head comprises in addition to the plurality of marking devices a plurality of sensor devices and the sensor devices (50) are arranged down-stream of the marking devices in the advance direction, so that the marking applied by the marking devices is detectable by the sensor devices, when the object is moved relative to the marking head in the advance direction. The invention also relates to a method for marking an object.

Abstract: A printing system and printing apparatus are provided with improvements in the image quality of an image formed on a printing medium, a peel off region (PO) wherein a transfer layer of a transfer film is not transferred is set corresponding to a card, modified printing data is generated by modifying a gray-scale value of printing data inside a region that is larger than the PO region by predetermined dimensions and including the PO region in the printing data of Y, M, C and Bk into a gray-scale value of 0, an image is formed on the transfer film by heating a thermal head for an image formation panel of an ink ribbon according to the modified printing data. The transfer layer is peeled off by heating the thermal head for a peel off panel of the ink ribbon according to position information of the PO region.

Abstract: A printer apparatus includes a printer body including an opening part that has a protruding part, a support part including a rotary shaft and rotatably attached to the printer body to rotate about the rotary shaft, a platen unit provided in the support part, and a shaft bearing including a projecting part and rotatably supports the platen roller. The opening part receives the shaft bearing. In a state where the platen unit is installed in the printer body, the projecting part and the protruding part contact each other. In a case of removing the platen unit from the printer body, the shaft bearing and the support part rotate in a same direction.

Abstract: A method for forming and a document having a color laser image with high reflective yield, which comprises a sheet of laserable material, sub-pixels in primary colors, the laser beam via carbonization exposing grey levels of the color image, and a substrate. The whole is laminated in various embodiments. The sub-pixels in various embodiments are separated by transparent regions which increase reflectivity and reinforce the white component of the personalised image. Layers of reflective varnish can reinforce reflectivity.

Abstract: A light scanning device includes a scanning unit and a power consumption unit. The scanning unit faces a scan surface and performs scanning by dividing one scan area into segments by having multiple light-emitting-element groups arranged in a predetermined scanning direction. Each light-emitting-element group writes an image onto the scan surface by causing multiple light-emitting elements arranged in the scanning direction to emit light in a time-division manner based on image information. The power consumption unit operates during a non-writing period occurring between scanning processes repeatedly executed in each light-emitting-element group, so as to cause consumption of electric power corresponding to electric power consumed for light emission in the light-emitting-element group.

Abstract: An optical writing device includes a light source, an optical deflector that deflects and scans light from the light source, a pre-deflector optical system that guides the light from the light source to the deflector, a post-deflector optical system that guides the scanned light to a target surface, a cover covering the deflector and including a first opening and a second opening provided at different positions, and a housing housing these optical elements. Light traveling from the light source to the deflector and the light scanned by the deflector are transmitted through the first opening but not through the second opening. During the rotation of the deflector, a forced inflow of air flowing from outside to inside the cover is generated in the first opening, and a discharged airflow flowing from inside to outside the cover is generated in the second opening.

Abstract: The oscillation element according to the present invention includes a torsion bar mounted on a base, and an oscillating member having a light reflection surface for reflecting light from a light source, which is fixed on the torsion bar protruding from the base. The oscillating member oscillates about a longitudinal axis of the torsion bar with an elastic deformation of the torsion bar, thereby deflecting the light that reflects at the light reflection surface in a direction intersecting the longitudinal axis. The oscillating member has two plates that are joined together so as to sandwich the torsion bar. On joining surfaces of the plates are provided with grooves for receiving the torsion bar, respectively. The plates have a symmetrical shape that the longitudinal axis serves as the axis of symmetry.

Abstract: Optical scanning device includes as follows. Light emitting element emits light beam in First direction and Second direction. Mirror unit reflects light beam emitted in First direction. First light receiving element receives light beam reflected by Mirror unit. Reference signal generator generates BD signal based on signal output from First light receiving element. Second light receiving element receives light beam emitted in Second direction. Light quantity controller measures signal output from Second light receiving element and automatically controls the light quantity of light beam emitted during APC period. Light quantity controller starts the automatic control at a timing at which light beam reflected by Mirror unit passes through the position of Second light receiving element and is received by First light receiving element and completes the automatic control before light beam reflected by Mirror unit reaches the position of Second light receiving element next.

Abstract: Adequate correction processing is performed on image data based on the degree of ink concentration that occurs even. An image processing apparatus having: acquisition unit for acquiring multi-value image data and a first parameter related to the degree of concentration of ink; first generation unit for generating corrected data by correcting the multi-value data that is to be printed for the first pixel based on the multi-value data that is to printed in the first pixel and a first parameter; and second generation unit for generating the first parameter and a second parameter that indicates the degree of ink concentration of the plurality of nozzles when printing a second pixel that is printed by the nozzles next to the first pixel.

Abstract: A printer 1 has a media orientation detection means 65 that detects displacement of the media after conveyance by the conveyance mechanism 63 stops; and a media processing device control unit 100 that controls cutting the media by an automatic paper cutter 60 when the media orientation detection means 65 detects displacement of the media, and controls processing the media by a processing unit when a communication unit receives control data while in a standby mode waiting for detection of media displacement by the media orientation detection means 65.

Abstract: A method for forming functionalized carbon black useful for uniform dispersion in a surface material of a printing system component includes providing carbon black; providing a fluoropolymer having a terminal amino group; and mixing the amino-terminated fluoropolymer and the carbon black, wherein the fluoropolymer is amino-terminated PDMS.

Abstract: The image forming apparatus includes a photosensitive drum and a light emitting device. In the rotational axis direction of the photosensitive drum, the width of the weak light exposure region on the photosensitive drum in which an exposing device emits weak light is larger than the width of a region corresponding to the width of a recording medium on which an image is formed, but smaller than the width of a region on the photosensitive drum charged by a charging roller.