Ink-jet printer and method for printing test gauge
FIELD: printing industry.
SUBSTANCE: ink-jet printer comprises a receiving unit designed to receive a command to perform the verification process and a control element designed to make a printing unit spray the first ink with a colouring substance, the second ink with a colouring substance and transparent ink to print test gauge used for the verification process. The printing unit prints a test gauge in which transparent ink, the first ink with a colouring substance and the second ink with a colouring substance are applied on the area of test gauge formation of print media in that order, and in the test gauge transparent ink are coloured into the second colour and the first colour in the direction from the surface side of the print media to the rear side of the print media in that order.
EFFECT: ink-jet printer capable of increasing the magnitude of colour or density change between the area where the ink with a colouring substance and transparent ink are overlaid on one another, and the area where the ink with a colouring substance and transparent ink are not overlaid on one another, when printing a test gauge using ink with a colouring substance and transparent ink.
21 cl, 67 dwg
SUBSTANCE: group of inventions relates to inkjet printers and, in particular, to roll inkjet printers having a print head which uses light emitting diodes (LEDs). The improved printing system comprises a drum structure, a print carriage for applying via it the LED curable ink, for example, of one or more print heads, and one or more LED light sources to cure the applied ink. Some embodiments may preferably additionally comprise one or more LED drying stations, for example to control, deceleration or stopping the spread of ink droplets. In addition, some embodiments of the printer may comprise a mechanism for supplying inert gas such as nitrogen, or other gas, which is at least partially depleted in oxygen, between the LED power source and the substrate.
EFFECT: disclosed LED printing structures usually provide higher quality and/or lower costs as compared to systems of prior technology level for a wide range of the resulting printed products.
30 cl, 13 dwg
SUBSTANCE: device comprises the activation control means for activating the processing device, when power is supplied to the processing device. The input means for performing notification to prompt the user of the processing device to enter the information of authentication to authenticate the user and enter the authentication information in accordance with the user instruction based on the notification. The permission means for permission of performing the predetermined processing by the processing device in accordance with the authentication information entered by the said input means. At that permission by permission means is prohibited when the power supply to the processing device is stopped. And in case when the said activation control means activates the processing device and executing the predetermined processing is not permitted by the said permission means, the said input means performs notification, and in the case when the said activation control means activates the processing device and executing the predetermined processing permitted by the said permission means, the said input means does not perform notification.
EFFECT: control device for controlling the processing device in the printing system is provided, which performs the predetermined processing.
13 cl, 7 dwg
SUBSTANCE: printing device comprises a nitrogen generator designed for separating the ambient atmospheric air to the first component and the second component. The first component comprises an oxygen component that comprises oxygen in a higher concentration than the ambient atmospheric air, and the nitrogen component that comprises nitrogen at a lower concentration than the said ambient atmospheric air. The second component comprises a substantially pure nitrogen component. The printing device comprises flow print assembly of ink jet printing. The flow print assembly comprises a region of oxygen inhibition. The printing area is located in the flow line after the said area of the oxygen inhibition, at that the printing area comprises a unit of printheads. The area of inertisation is located in the flow line after the said printing area, and the said area of inertisation comprises the applicator of nitrogen. The curing area is located in the flow line after the said applicator of nitrogen, and the said area of curing comprises a curing radiation lamp.
EFFECT: conveying surface is designed for providing the support for the carrier and for transportation of the said carrier through each of the said flow print assemblies of ink jet printing and for transporting the carrier through the area of the oxygen inhibition.
20 cl, 8 dwg
FIELD: physics, computer engineering.
SUBSTANCE: image fixing device includes a supporting surface along which a recording medium moves from the front side to the back side, and can support the recording medium; an image fixing section which is located opposite the supporting surface and performs an image fixing process when the recording medium is supported by the supporting surface after recording the image on the medium intended for recording in a front position of the supporting surface. When the direction in which the supporting surface and the image fixing section are located opposite each other changes, the supporting surface is located relatively further from the image fixing section than the area which is located in front of the supporting surface on a path along which the recording medium moves. The supporting surface includes a tilted surface, which reduces distance, which is tilted so as to approach the image fixing section such that the distance measured from the image fixing section in the direction in which the supporting surface and the image fixing section are located opposite each other gradually decreases towards the back side of the path along which the recording medium intended for recording moves.
EFFECT: improved structure.
8 cl, 11 dwg
SUBSTANCE: invention can be used for inkjet printing. A porphyrazine colorant or its salt is represented by formula (1), where rings A-D each independently represents a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring. E represents alkylene, X represents sulfo-substituted group aniline or the like, which can additionally have a substituent, R1 represents C1-C6 alkyl group, b equals to 0.00 or more and less than 3.90, as the average value, c equals to 0.10 or more and less than 4, as the average value, and the sum of b and c equals to 1.00 or more and less than 4.00, as the average value. The composition of colorant for inkjet printing, which contains the porphyrazine colorant or its salt.
EFFECT: invention makes it possible to obtain the composition of a colorant, which has good shade, possesses excellent properties of various types of resistance, in particular, ozone resistance, provides a possibility of high density of printing, possesses properties which almost do not produce a bronze tint effect.
21 cl, 5 tbl, 17 ex
SUBSTANCE: substrate of the printing elements comprises a printing element, a switching element which actuates the printing element based on the input control signal, a first current source which generates the predetermined current. In addition the substrate comprises a second current source which generates the current based on the input voltage, and a current generating circuit which generates the control signal by amplifying the current obtained by adding the voltage generated by the second current source and the current generated by the first current source, and then generates the control signal by amplifying the current generated by the first current source.
EFFECT: increased control speed with the feedback for voltage to be applied to the printing element with low power consumption.
11 cl, 12 dwg
FIELD: printing industry.
SUBSTANCE: ink jet printing device controls ejection of ink from the printheads, whereby only low infiltration ink is ejected in the edge area of print carrier, which is located next to the nonprint area, and at this time, the high infiltration ink is not used. In addition, the ink jet printing device controls ejection of ink from the printheads, whereby the low infiltration ink and the high infiltration ink are used for non-periphery area which is located near the periphery area, and to carry out printing the low infiltration ink are ejected into the non-periphery area prior to the high infiltration ink.
EFFECT: prevention of reduction of optical density.
14 cl, 86 dwg
FIELD: printing industry.
SUBSTANCE: image processing method involves a stage, at which input data of an image are determined to colour ink data, which corresponds to volumes of use of one or more types of colour inks and transparent ink. With that, input image data is converted to colour ink data so that the amount of transparent ink used in colour ink data using the ink containing technical carbon becomes more or is equal to the amount of transparent ink used in colour ink data using no ink containing the technical carbon.
EFFECT: providing the possibility of reducing excess glossiness in the area of dark sections of the printed image.
12 cl, 31 dwg
SUBSTANCE: invention relates to jet printing inks, particularly non-aqueous inks for jet printing. The ink for jet printing contains a pigment, binder, polyetheramide resin as a pigment dispersant, an organic solvent and an anti-corrosion agent from an imidazole group or a group of volatile anti-corrosion agents, preferably dicyclohexylamine or cyclohexylammonium cyclohexylcarbamate.
EFFECT: disclosed inks have high dispersion stability and prevent corrosion of print heads of jet printers and nozzle clogging.
8 cl, 8 tbl, 34 ex
FIELD: printing industry.
SUBSTANCE: waterless ink composition for inkjet printing contains a pigment, a polymer in an amount of 1 to 20 wt % in terms of total weight, dispersing of pigment, organic solvent, and alcohol containing an amino group in an amount of 0.01 to 3 wt % in terms of total weight. The alcohol containing an amino group is selected from the group consisting of 2-amino-1-butanol, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol, 2-amino-2-ethyl-1,3-propanediol and tris(hydroxymethyl) aminomethane. As the polymer the ink contains polyester, acrylic resin or polyvinyl chloride. The aqueous extract of the said waterless ink composition has pH ranging from 6.0 to 10.0.
EFFECT: increased stability of its pressure injection and the absence of clogging the nozzle of the print head with achievement of high quality printing.
7 cl, 1 tbl, 5 ex
FIELD: printing devices.
SUBSTANCE: device has feeding section, meant for feeding paper for printing one sheet after another separately, and transporting route, passing, actually, linearly for transporting printed data carrier, having high rigidity. A portion of feeding section is overlapped with transporting route in vertical transverse direction, but does not in direction, perpendicular to direction of transporting of carrier of printed information.
EFFECT: simplified construction, lower costs, higher reliability, broader functional capabilities.
18 cl, 22 dwg
FIELD: printing materials.
SUBSTANCE: invention relates to printing ink containing first colorant and second colorant, at least one of the colorants including fluorescent color. First and second colorants are located separately on a printing medium while printing ink ensure obtaining printed image with improved fluorescent properties. Invention further relates to printed image and a method of forming printed image utilizing such ink. Invention solves the problem of reducing fluorescence and improving fluorescent properties by way of separating fluorescence region and colored region as well as by way of formation of area on printing medium wherein points of coagulated first colorant are spread in the region of fixed second colorant so that absorption of fluorescent emission energy from fluorescent colorant is considerably reduced by coexisting colorant involving corresponding technologies. The latter are based on a novel technical conception residing in improvement of characteristics of fluorescent emission of a second colorant used in printing ink including a first fluorescent colorant, which, being excited at specified excitation wavelength, fluoresces within specified wavelength range.
EFFECT: improved fluorescent properties of printed image.
15 cl, 31 dwg, 4 tbl, 33 ex
FIELD: image printing devices and jet printing devices for printing by means of discharging ink from printing instrument.
SUBSTANCE: printing device for printing with printing instrument contains carriage, to which with possible extraction aforementioned printing instrument is connected and which carriage may move along the sheet for printing; and holding base, adapted for guiding printing instrument into carriage and holding it, when the carriage is stopped in replacement position, where printing instrument may be attached to the carriage or detached from it. Resulting jet printing device allows the user to recognize a faulty stop and printing device in the invention may be installed in a carriage and removed without possible falling.
EFFECT: increased efficiency.
15 cl, 11 dwg
FIELD: print engineering.
SUBSTANCE: invention provides ink containing first fluorescent color material emitting fluorescence at specified emission wavelength used for measurement or determination of excitement at specified excitement wavelength; and second fluorescent color material emitting fluorescence when excited at specified excitement wavelength, said second color material being contained in larger amount than said first color material. To obtain fluorescence at desired emission wavelength, excitement spectrum of the first color material in ink should have peak wavelength range adjoining specified fluorescent wavelength, and emission fluorescence spectrum of the second color material has emission wavelength range that includes at least above-mentioned peak wavelength range.
EFFECT: enhanced fluorescence intensity due to presence of several fluorescent coloring substances.
9 cl, 26 dwg, 3 tbl, 6 ex
SUBSTANCE: invention pertains to ink for an ink-jet printer. Description is given of the ink for an ink-jet printer, containing 62-77 mass % water, 10-18 mass % dye, X (%), water soluble organic substance 1 and 2.0-15 mass %, Y (%), water soluble organic substance 2. Viscosity of the ink ranges from 1 to 5 cP at 25°C, content X (%) of substance 1 and content Y (%) of substance 2 satisfies the relationship in formula (I) and formula (II): (I) 0.15 ≤ Y/X ≤ 0.9; (II) 15 mass % ≤ X+ Y ≤ 32 mass %. Compound 1 is a water-retaining water soluble organic compound, with difference between the water-retention capacity in a surrounding medium at 23°C and humidity of 45% and water-retention capacity in a surrounding medium at 30°C and 80% humidity at 36% or less. Compound 2 is a water soluble organic compound, different from the dye and from the water soluble organic compound 1.
EFFECT: proposed ink sufficiently suppresses the effect of twisting printing material and provides for stable injection.
26 cl, 6 dwg, 6 tbl, 21 ex
SUBSTANCE: invention relates to water-based printing dye used in the set of reaction liquid with water-based printing dye for image formation. The water-based printing dye is proposed making a part of the system using a reaction liquid including, at least, a polyvalent metal and water-based printing dye comprising, at least a pigment dispersion wherein the pigment is dispersed in anionic polymer disperser. Here note that the water-based printing dye meets the specified requirements.
EFFECT: production of a stable jet printing irrespective of the printing conditions, formation of uniform image with a high resistance to deterioration, clear image even in two-side printing, high-quality image sharpness.
18 cl, 1 tbl, 10 ex
FIELD: polygraphic industry.
SUBSTANCE: ink for jet printing is described including water, watersoluble organic solvent and coloring substance which is phthalocyanine compound. Content of specified coloring substance is in the range of 0.5 wt % ≤ content < 3.0 wt % relative to ink weight. Watersoluble organic solvent includes 2-pyrrolidone in amount of 50.0% or more relative to ink weight. Value of dispersion distance d75, measured using small angle X-ray scattering method for molecular aggregates in ink corresponds to 75% of dispersion distance distribution. Suggested ink is high resistant to ambient gases, to coloring substance aggregation and provides bronze play-resistant images.
EFFECT: getting ink that is high resistant to ambient gases, to coloring substance aggregation and provides bronze play-resistant images.
12 cl, 9 dwg, 9 tbl, 8 ex
FIELD: technological processes; printing industry.
SUBSTANCE: method of mask templates generation, used for generation of image data for printing of multiple types of points by means of scanning, is characterised by the fact that location of printing-permitting pixels is determined in every of multiple mask templates that correspond to multiple types of points, for that purpose location of printing-permitting points is determined, so that low frequency components, which are determined by location of printing-permitting pixels in every of multiple mask templates, are reduced in multiple mask templates. Method of data processing contains stage, at which image data is generated, which provides printing of multiple point types by means of corresponding multiple scanning, using mask template. Device of data processing, which contains facility for generation of image data, provides printing of multiple point types by means of corresponding multiple scanning, using mask template. For generation of image data for printing of multiple point types by means of corresponding scanning multiple mask templates are used, at that when at least two of multiple mask templates are superimposed one above each other, template of printing-permitting pixels from imposed mask templates has less low frequency components compared to the template produced by imposition of at least two mask templates, at which they substitute each other. Invention is produced as a result of deposition caused by grains, which may be formed during separate printing, and also elimination of problems caused by formation of such grains.
EFFECT: higher image quality.
49 cl, 93 dwg
FIELD: polygraphic industry.
SUBSTANCE: invention is attributed to ink for jet printing. Ink for jet printing is described which ink includes coloring substance with formula (I), or its salt, (I) where: M - hydrogen atom, alkaline metal, alkali-earth metal or cation or ammonium ion of organic amine; n - integer 1 or 2, and water-soluble organic solvent, selected from the group including ethylene glycol, diethylene glycol, 2-pyrrolidone, 1,5-pentanediol, 1,6-hexanediol and ethylene-carbamide, in the quantity of 50 wt % or more relative to content of all organic solvents in the ink. Suggested yellow ink has enhanced humidity resistance and color hue stability due to lowered migration.
EFFECT: obtaining ink with enhanced humidity resistance and color hue stability.
7 dwg, 10 tbl, 21 ex
FIELD: polygraphic industry.
SUBSTANCE: invention is attributed to ink for jet printing. Ink for jet printing is described. This ink contains coloring substance which has area of buffer effect in the area of ink application, in quantity from 3 wt % or more of total ink mass. Additionally ink includes compound with formula (I) and/or compound with formula (II) H(OCH2CH2)pR5. Suggested ink for jet printing is capable to prevent damage of heating element surface during contact with liquid and disconnection in circuit for voltage supply to heating element even in case when long-term continuous printing is performed.
EFFECT: obtaining the ink for jet printing which is capable to prevent damage of heating element surface during contact with liquid and disconnection in circuit for voltage supply to heating element even in case when long-term continuous printing is performed.
9 cl, 7 dwg, 5 tbl, 21 ex