Abstract: The present invention provides a liquid droplet ejecting device, which can form a good eject pattern even when a recording medium is conveyed by a conveying belt at a side-to-be-ejected by a liquid droplet ejecting head in which ejecting nozzles are arranged two-dimensionally, including a liquid droplet ejecting head at which an arrangement of ejecting nozzles which eject liquid droplets is formed in two-dimensions; and a conveying section which conveys a recording medium at a side-to-be-ejected by the liquid droplet ejecting head, wherein the conveying section has an endless conveying belt on which the recording medium is placed and which passes by the side to be ejected by the liquid droplet ejecting head, at least two rollers which abut the conveying belt and whose positions can be corrected; and a control section which controls position corrections of the at least two rollers.

Abstract: An image forming apparatus comprises a guide part guiding transportation of a recording medium after recording by a liquid droplet ejection head at a recording position, the guide part carrying plural spurs for holding the medium on which recording has been made at the recording position, the guide part being movable between a guide position in which the spurs are engaged with the recording medium and a release position in which the spurs are disengaged from the recording medium, wherein there is provided a protective member to the guide part such that the protective member is movable between a protective position protecting the spurs and a retracted position retracted from the spurs.

Abstract: A printhead assembly is provided. The printhead assembly comprises (a) a plurality of printhead integrated circuits comprising; and (b) an ink manifold having a mounting surface, the backside of each printhead integrated circuit being bonded to the mounting surface with an adhesive. Each printhead integrated circuit comprises a plurality of nozzles formed on a front side of the printhead integrated circuit; a plurality of ink supply channels for supplying ink from a backside of the printhead integrated circuit to the nozzles; and a plurality of etched trenches defined in the backside. The adhesive is received, at least partially, in the plurality of etched trenches, thereby increasing the adhesive bond strength whilst avoiding surface roughening of the printhead integrated circuits.

Abstract: A printhead IC for an inkjet printer, the inkjet printer having a PEC for sending print data to the printhead IC in accordance with a predetermined data transmission protocol, the printhead IC comprising: an array of nozzles for ejecting drops of printing fluid onto a media substrate; and, drive circuitry for driving the array of nozzles; wherein, the circuitry is configured to receive print data in any one of a plurality of different data transmission protocols.

Abstract: A recording medium conveying device comprising: a master roll holder to hold a master roll of a recording medium; a platen to support the recording medium supplied from the master roll holder in an image recording section; a conveyance roller positioned upstream of the platen to convey the recording medium by adding driving force to the recording medium and a guide positioned near the platen to guide the recording medium, wherein the guide changes an angle of the recording medium against the platen according to a stiffness of the recording medium.

Abstract: An ink jet head includes a channel unit including a manifold plate and a nozzle plate. The manifold plate has annular grooves. The nozzle plate has annular grooves and nozzles. Each manifold plate annular groove and each nozzle plate annular groove form an annular cavity around one of the nozzles in the channel unit, so that a less rigid region is formed near the nozzle. In a detecting step, the directional deviation of the ink discharged from a nozzle is detected. The detecting step is followed by a deforming step for deforming the nozzle plate by radiating a laser beam to a radiation region in the less rigid region near a defective nozzle. The radiation region varies with the direction and amount in which the ink discharged from the defective nozzle deviates. A nozzle is regarded as defective if the ink discharged from it deviates directionally beyond a specified amount.

Abstract: A platen plate for supporting an ejection object for liquid droplets ejected from each nozzle on the bottom surface of a liquid ejection head can secure the flatness of the ejection object so as to appropriately eject ink as well as can prevent the contamination of the bottom surface of the ejection object.

Abstract: A mobile device including: (a) an inkjet printhead; (b) a print media feed path for directing a print medium past the printhead in a feed direction during printing; (c) a capping mechanism including a capper moveable between: a capping position in which the capper is urged into a capping relationship with the printhead; and an uncapped position in which the printhead is able to print onto the print medium, wherein in the uncapped position the capper is displaced away from the printhead; (d) a force transfer mechanism connected to the capper and configured such that a force provided by an edge of the print medium as it moves relative to the feed path is transferred to the capper by the force transfer mechanism, thereby to at least commence movement of the capper from the capped position to the uncapped position prior to the print medium reaching the capper.

Abstract: End portions on one side of respective heads in a head unit are inserted and arranged in respective spaces between end portions on the other side of respective heads in an adjoining head unit.

Abstract: A device mounting structure includes: a base; a unit having a mounting area on which a device is mounted; a projection formed on a face of the unit; a first wiring disposed on the unit and between a top part of the projection and the mounting area; a groove provided in the base, the groove incorporating at least part of the projection; and a second wiring disposed at a bottom part of the groove in the base and electrically connected to the first wiring. The first wiring has a resin layer containing metallic particles, and a metal film on the resin layer.

Abstract: An ink jet recording head includes three sets of nozzle arrays each having a large nozzle array including a first ejection outlet group and an adjacent small nozzle array including a second ejection outlet group. The ejection outlets of the second ejection outlet group have smaller diameters than those of the first ejection outlet group. In nozzle arrays constituted by two adjacent ones of the three nozzle array sets, a large nozzle array, a small nozzle array, a small nozzle array, and a large nozzle array are arranged in the order named, in the main scanning direction. One of the two adjacent nozzle array sets ejects cyan ink, the other one of the two adjacent nozzle array sets ejects magenta ink, and a nozzle array set other than the two adjacent nozzle array sets ejects yellow ink.

Abstract: A high-resolution printer includes a printhead having optimized features including 3 to 20 micron diameter orifices spaced apart from adjacent orifices by a distance of between about 15 and 75 microns. The orifice plate is electroformed and plated to a thickness ranging from about 6 to 19 microns. A barrier layer secures the orifice plate to a printhead substrate.

Abstract: The present invention discloses a multi-purpose digital printer having a transfer roller making very thin or retractable printing material move while adhering to an adhesive on the transfer belt, to prevent twisting or wrinkling, and extension states of the printing material, so that it is possible to print not only on very thin or retractable printing material, but also on unfixed form, type or thick printing material.

Abstract: The image forming apparatus comprises: a first inkjet head which ejects ink for forming a first image to be recorded on a recording medium; a first intermediate transfer medium on which the first image is formed by the ink ejected from the first inkjet head, the first intermediate transfer medium having a structure that includes an elastic body in a first image formation area in which the first image is formed; a second inkjet head which ejects ink for forming a second image to be recorded on the recording medium; a second intermediate transfer medium on which the second image is formed by the ink ejected from the second inkjet head, the second intermediate transfer medium having a structure that includes an elastic body in a second image formation area in which the second image is formed; and a transfer recording device which transfers and records the first image and the second image to a first surface of the recording medium in contact with the first image formation area and a second surface of the recordin

Abstract: An image forming apparatus including a paper feeding cassette to stack a print medium, wherein the paper feeding cassette includes a plate to support the print medium and which elevates substantially straight, and a supporting unit to support the elevation of the plate.

Abstract: A liquid droplet-ejecting apparatus includes a liquid flow passage and a liquid discharge surface which is formed with a plurality of nozzles communicated with the liquid flow passage, a liquid-repellent area, and two hydrophilic areas for interposing the liquid-repellent area therebetween respectively and which has one of the hydrophilic areas positioned nearer to the nozzles than the other of the hydrophilic areas. A boundary of the liquid-repellent area with respect to one of the hydrophilic areas has liquid repellence lower than that of a boundary of the liquid-repellent area with respect to the other of the hydrophilic areas. The liquid droplet can be moved in a direction to make separation from the nozzles in accordance with the movement of the liquid droplet-ejecting apparatus. Therefore, it is possible to decrease the number of times of the wiping operation on the liquid discharge surface.

Abstract: A pagewidth printhead assembly for an inkjet printer, the printhead assembly comprising: a pagewidth printhead structure having an array of nozzles and a plurality of ink ports in fluid communication with corresponding nozzles in the array; an ink cartridge docking frame for receiving a plurality ink cartridges, the cartridge docking frame having ink inlet valves for sealed connection to outlets on each of the ink cartridges respectively; and, resilient connectors for sealed fluid communication between the ink inlet valves and the corresponding ink port to accommodate longitudinal expansion and contraction of the pagewidth printhead structure relative to the ink cartridge docking frame.

Abstract: In an inkjet head, 4n rows (n: a natural number) parallel to each other are formed in each of which nozzles are arranged on an ink ejection face of the inkjet head in one direction. All the nozzles constituting each row are arranged such that projection points of the nozzles obtained by projecting the nozzles on an imaginary straight line extending parallel to each row, from a direction parallel to a plane including the rows, and perpendicular to each row, are arranged on the imaginary straight line at regular intervals. The nozzles are arranged in a cycle corresponding to a distance between the projection points at both ends of 4n+1 projection points arranged on the imaginary straight line. The total of products each obtained by a peak value of a modulation transfer function defined by the arrangement of the nozzles, multiplied by a value of a visual transfer function at a spatial frequency corresponding to the peak value of the modulation transfer function, is not more than 0.10.

Abstract: A manual paper supply device is equipped with a paper shear prevention member 35 for preventing shear of the paper 9 loaded into the manual feed paper supply tray. A brush 36 is arranged on the paper shear prevention member 35 to make contact with the paper 9; and the brush 36 is arranged to form an acute angle against the paper 9 in the paper 9 feed direction G. Skewing and floating of the paper 9 are prevented accordingly when the paper 9 is set. Further, the generation of multi-feed and marking of the paper 9 is avoided.

Abstract: An inkjet printer includes a single transport roller (4), two first driven rollers (A: A1, A2), two first driven rollers (B: B1, B2), and a single first driven roller (C). The rollers (A1, A2, B1, B2, C) are rotatably held by holders (8a to 8e) at respective downstream ends thereof. The holders (8a to 8e) are aligned with one another along a fast scanning direction and are rotatably supported at upstream ends thereof by a support shaft (81). The holders (8a to 8e), the shaft (81), and a plurality of springs (9) are assembled into a holder assembly (8). The holder assembly (8) has the shaft (81) fixed to a main frame (1). The springs (9) are fixed at one end to respective middle portions of the holders (8a to 8e), and at the other end to the frame (1).