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JP5393061B2 |
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JP5393560B2 |
An inkjet image forming apparatus includes: a liquid ejection head having an ejection surface in which a plurality of nozzles are arranged two-dimensionally; a scanning device which conveys at least one of the liquid ejection head and an...
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JP5396356B2 |
A method compensates for thermal expansion of rollers in a web print zone. The method includes receiving an angular velocity signal from a first encoder for a roller in a print zone of a moving web printing system, receiving a signal fro...
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JP5387080B2 |
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JP5381260B2 |
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JP5381270B2 |
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JP5374954B2 |
To provide an image forming apparatus preventing positional deviation of a recording image due to abrasion or chipping of a bearing part of a carriage or a sliding shaft caused by a change in the lapse of time. The image forming apparatu...
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JP5369710B2 |
To provide an image forming apparatus which improves an image forming speed in a main scan direction, and to provide an image formation control method, an image formation control program and a recording medium. In the multifunction appar...
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JP2013248826A |
To solve a problem that drawing quality can not be improved in a conventional drawing device.A displacement part displaces an ejection head for ejecting liquid. A scale has a plurality of scales arranged in a displacement direction provi...
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JP2013248889A |
To provide a printer that can prevent change of distance between a slide bar and a top plate of a bracket.A printer includes: a bracket 30; a slide bar 20 fixed to a top plate 31 of the bracket 30; and a printer head 10. A through-hole 2...
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JP5365494B2 |
An image forming apparatus includes a sheet amount detector to detect an amount of sheets accommodated in the sheet feeding tray, an ejected sheet amount detector to detect an amount of sheets ejected onto the sheet ejection tray, and a ...
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JP5365535B2 |
An image forming apparatus includes a housing, a carriage, and a damping mechanism. The carriage includes an image forming mechanism and moves back and forth in a main scan direction. The damping mechanism generates an impact to suppress...
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JP2013244700A |
To securely correct a change in carriage speed at a higher response speed when mismatch occurs between the rotation angle of a motor and the position of the carriage in a recording apparatus.A recording apparatus that carries out recordi...
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JP5355250B2 |
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JP2013230607A |
To correct a correction error of both a recording part rail and a color measuring part rail by calculating an alignment error of both of the recording part rail and color measuring part rail.A recording device includes: a recording head ...
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JP5338476B2 |
In a carriage of a liquid drop discharging device, an encoder sensor is arranged to read slits on a linear scale at a slit reading position. The carriage includes a stain detection part that detects a stain on the linear scale based on p...
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JP5338589B2 |
To provide a guide device that further stabilizes the posture of a carriage relative to a guide shaft without increasing costs due to an increase in the number of compositional members and hindering smooth slide between a bearing and the...
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JP5338554B2 |
To solve such a problem that assembly errors of devices and variations or the like in weight of various members such as damping members cause the variation in damping effects between the devices. A damping member 42 for suppressing vibra...
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JP2013223978A |
To shorten a printing time.A printing apparatus includes: a conveying mechanism to convey a medium in a conveying direction; a carriage including nozzles for ejecting liquid to be movable back and forth in a moving direction perpendicula...
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JP5327145B2 |
A liquid droplet jetting apparatus includes a jetting head having a jetting surface on which a plurality of nozzles are formed for jetting liquid droplets; a carriage carrying the jetting head and moving reciprocatingly in a first direct...
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JP2013215913A |
To avoid an increase of a consumed electric current value when a load to a motor of a recording device fluctuates significantly.A recording device for recording information on a recording medium by reciprocating in one direction a carria...
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JP2013216026A |
To enable phase adjustment in less time in a technique for reducing the torque ripple of a motor used in a recording apparatus or the like.A recording apparatus comprises: a drive means having a motor as a drive source and configured to ...
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JP5321264B2 |
To continue printing at the abnormal time due to dirt by distinguishing an encoder signal abnormality caused by dirt and the encoder signal abnormality caused by jamming. An image forming apparatus includes a means 52 for measuring a car...
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JP5316043B2 |
To provide an optical encoder which prevents an erroneous detection from occurring even when an encoder sheet is stained, and correctly detects a carriage position and a speed, and an image forming apparatus. A margin portion having the ...
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JP5315030B2 |
To provide an inkjet printer of high image quality suppressing periodical vibration component and causing no print unevenness, even if encoder cumulative error occurs and the relation of a carriage position to a motor rotational angle va...
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JP5304550B2 |
To provide a carriage that can prevent the deformation of a sub-carriage while surely holding the sub-carriage to a main carriage in constitution of holding the sub-carriage to the main carriage utilizing the urging force of an urging me...
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JP2013193257A |
To permit printing to a form with a frequently-used thickness to be quickly started by making an image forming device with a gap changing mechanism easy to use.An image forming device has a gap changing mechanism decreasing the gap betwe...
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JP2013198265A |
To alleviate a peak of a reverse electromotive current at the time of stop of a DC motor when the DC motor used for a printer is PWM-driven by open-loop control.A printer comprises a DC motor and a motor control section for PWM-driving t...
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JP2013188894A |
To prevent the warpage of a stay member and a guide member, and thus to prevent the deterioration of image quality in a structure where the guide member for guiding and retaining a carriage in the stay member.An image forming apparatus i...
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JP5298805B2 |
A recording apparatus includes a transport unit that transports a recording medium, a recording unit that performs recording on the recording medium based on record data, a moving unit that moves the recording unit in a direction interse...
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JP5299478B2 |
To provide an inkjet recording apparatus that is free from paper jamming and paper stain generated due to deformation of the paper in accordance with the placement direction of the paper. The apparatus includes a sensor for detecting the...
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JP5299157B2 |
A vibration damping member, for dampening vibration triggered by movement of a carriage, is driven to move by a vibration-damping drive motor that is a different drive source from a drive source of the carriage. The vibration-damping dri...
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JP2013184323A |
To selectively perform printing in a plurality of resolutions by a simple constitution.A printer includes a connector, a motor, a transport mechanism, a drive circuit, a determination means, and a control means. The connector can alterna...
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JP5280485B2 |
A controller reads out correction data for a recording head (20) from a correction data memory (84) and transfers the correction data to a sub-memory (83a) in a field programmable gate array (FPGA) for image processing, when a recording ...
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JP2013166358A |
To avoid increase in a current consumption value even when load on a motor of an inkjet printer is largely fluctuated.An inkjet printer 11 that records information on paper 19 by moving a carriage 14, on which a recording head 17 ejectin...
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JP2013166289A |
To avoid an increase in a current consumption value when load on a motor of a recording device is largely fluctuated.An inkjet printer 11 includes: a printing drive instruction part 92 which instructs a CR motor drive part 94 and a PF mo...
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JP5272152B2 |
To provide an inkjet printer capable of attaching a main scanning rail unit to the body of a printer while keeping the assembled state without bending nor distortion of the unit on a surface plate, and also, capable of facilitating attac...
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JP5273360B2 |
To prevent deadlocking which may occur when a carriage is not able to return to a home position in a recorder that performs the on/off-switching of a transmission of power interposed between a lock member advancing/retracting mechanism f...
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JP2013163299A |
To provide an impact printer capable of suppressing the deterioration in printing quality when a stepped part of a print medium passes a printing position.An impact printer 1 adjusts a gap between a print head 3 on a carriage 7 and a pri...
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JP2013163334A |
To provide a method of manufacturing a printer, capable of suppressing an error between the calculated heat generation of a paper feed motor and the actual heat generation of the paper feed motor.A method of manufacturing a printer inclu...
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JP5267152B2 |
To provide an image forming apparatus that prolongs the life of a drive motor by reducing the movement of a counter weight and reducing load on a drive motor that carries a timing belt. A guide rod 35 is disposed opposite a carriage 15 o...
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JP2013159016A |
To achieve high-quality recording by suppressing generation accuracy reduction of a heat trigger signal caused by a fact that scan speed of a carriage mounting a recording head is rapidly decreased.A trigger signal for driving the plural...
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JP2013154479A |
To detect a transmission defect of a driving force in a driving mechanism.A recording apparatus includes: a carriage having a recording head mounted thereon and reciprocating; a driving mechanism for moving the carriage; a position detec...
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JP5263425B2 |
A liquid ejection apparatus, a liquid ejection system, and a liquid ejection method are achieved which allow starting and ending positions for ejecting liquid to be set appropriately. A controller is provided which executes position dete...
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JP5257596B2 |
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JP5256619B2 |
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JP2013146869A |
To provide an inkjet recording apparatus which is inexpensive and can suppress attitude fluctuation even when a carriage experiences the attitude fluctuation due to curvature of a main rail or sub rail, or mounting accuracy to a body.An ...
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JP5239794B2 |
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JP5241265B2 |
This invention is directed to provide a printing apparatus and a printing control method capable of more accurately obtaining a carriage position and executing more precise printing. The printing apparatus includes a scale, having slits ...
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JP5240225B2 |
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