Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D11/00—Inks
  • C09D11/30—Inkjet printing inks
  • C09D11/40—Ink-sets specially adapted for multi-colour inkjet printing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
  • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
  • B41J2/01—Ink jet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
  • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D11/00—Inks
  • C09D11/30—Inkjet printing inks
  • C09D11/32—Inkjet printing inks characterised by colouring agents
  • C09D11/322—Pigment inks
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
  • B41M5/0023—Digital printing methods characterised by the inks used
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
  • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Definitions

• the present invention relates to an inkjet recording ink, a recording ink set, ink records, an ink cartridge, a recording method, and an inkjet recording apparatus.
• Patent Literature 1 proposes a method for alleviating color bleed using a self-dispersible carbon black, however, dyes are used for the color inks for the ink set demonstrated in the publication, and the color ink is inferior in water resistance and weather resistance.
• the color inks have a shortcoming in that they are inferior in feathering on regular paper to pigment inks.
• the method of alleviating color bleed proposed in the publication utilizes a quick separation of solid contents from a solvent, however, it is difficult to prevent color bleed on media which are poor in
• Patent Literature 2 proposes an ink set containing inks having a difference in surface tension between the inks of 5 mN/m to 50mN/m.
• Patent Literature 3 proposes an ink set having a
• an ink set has smallest possible difference in physical properties between inks.
• Patent Literature 4 proposes a method for reducing
• Patent Literature 5 proposes preventing color bleed by
• Patent Literature 6 defines the range of contact
• Patent Literature 6 has a large water content, it easily causes a
• poorly water-absorbable paper means printing coated paper whose
• an inorganic pigment such as calcium
• InkJet printing enables easy printing because of no need
• Patent Literature 1 Japanese Patent Application
• Patent Literature 2 Japanese Patent Application
• Patent Literature 3 Japanese Patent Application
• Patent Literature 4 Japanese Patent Application
• Patent Literature 5 Japanese Patent Application
• Patent Literature 6 Japanese Patent Application
• the present invention aims to provide a recording ink
• invention also aims to provide a recording ink set, ink records,
• the black ink moves toward the color ink
• the surface tension of liquid means the surface tensions of different water-soluble organic solvents contained in individual inks, not means the surface tension of the ink itself.
• the surface tension of ink itself is controlled by the type and the added amount of surfactants and is a parameter primarily affecting the wet property relative to a base material.
• the surface tension of ink itself is adjusted to control the wet condition of a recording medium right after the ink is dropped on the recording medium and the wet condition of areas surrounding the ink-discharging nozzle.
• the present inventors found that to control color bleed which is caused between a black ink and color inks, it is effective to use at least one different water-soluble organic solvent between a black ink and at least one of the inks other than the black ink and to make the surface tension of the water-soluble organic solvents used for the inks other than the black ink higher than that of the water-soluble organic solvent used for the black ink.
• the present invention is based on the findings by the present inventors, and the means for solving the problems are as follows.
• the recording medium is provided with a coating layer on at least one surface of a support and has a transfer amount of pure water to the recording medium measured by the use of a dynamic scanning absorptometer for a contact time of 100 ms is 3mL/m 2 to 15mL/m 2 .
• ' ⁇ 3 > The recording ink set according to any one of the items ⁇ 1 > to ⁇ 2 >, wherein the surface tension of the each ink of the recording ink set at a temperature of 25°C is 20 mN/m to 40 mN/m.
• ⁇ 4 The recording ink set according to any one of the items ⁇ 1 > to ⁇ 3 >, wherein the viscosity difference between at least one ink of the recording ink set which contains at least the black ink, the cyan ink, the magenta ink, and the yellow ink, and the other inks of the recording ink set is 0 mPa-s to 0.8 mPa-s.
• ⁇ 5 The recording ink set according to any one of the items ⁇ 1 > to ⁇ 4 >, wherein the viscosity of the each ink of the recording ink set at a temperature of 25°C is 6 mPa-s to 20 mPa-s.
• ⁇ 7 > The recording ink set according to any one of the items ⁇ 1 > to ⁇ 6 >, further containing a penetrant which contains a diol compound having 7 to 11 carbon atoms.
• the recording inks contains a black ink and at least one
• a cyan ink selected from a cyan ink, a magenta ink, and a yellow ink
• the recording medium is provided with a
• coating layer on at least one surface of a support and has a
• contact time of 100 ms is 3mL/m 2 to 15mL/m 2 .
• ink at a temperature of 25°C is 20 mN/m to 40 mN/m.
• R2 represents an anionic group
• R2 represents a cationic group
• absorptometer for a contact time of 100 ms is 3mL/m 2 to
• a recording method including recording an image on a recording medium which is provided with a coating layer on
• drop discharge unit configured to discharge ink drops to record
• ink droplets is 3 pL to 40 pL, "the recording speed is 5m/s to
• the frequency of the applied stimulation is 1 kHz or
• the resolution is 300 dpi or more.
• drop discharge unit configured to discharge ink drops to record
• the stimulation is at least one selected from heat, pressure, vibration and light.
• ink droplets is 3 pL to 40 pL; the recording speed is 5in/s to
• the frequency of the applied stimulation is 1 kHz or
• the resolution is 300 dpi or more.
• recording ink set is contained in a container.
• recording inks are contained in a container.
• FIG. l is a schematic illustration showing an example of an
• FIG.2 is a schematic illustration showing the ink cartridge
• FIG. l including a case (exterior).
• FIG.3 is a perspective view exemplarily explaining an inkjet
• FIG.4 is a schematic illustration exemplarily explaining the
• FIG.5 is a schematic enlarged view showing an example of
• an inkjet head suitably used in the present invention.
• FIG.6 is an enlarged view exemplarily showing components
• FIG.7 is an enlarged cross-sectional view exemplarily
• the recording ink of the present invention contains at least one
• a black ink contains at least a black ink, and one selected from a cyan ink, a
• magenta ink and a yellow ink, wherein at least one of the inks
• inks other than the black ink is higher than that of the water-soluble organic solvent used only for the black ink.
• the recording ink set of the present invention contains at least one
• black ink contains a. different water-soluble organic solvent from
• the water-soluble organic solvent is not particularly limited
• polyvalent alcohols such as ethylene glycol, diethylene
• glycol triethylene glycol
• polyethylene glycol polypropylene
• glycol dipropylene glycol, tripropylene glycol, 1,3-propanediol,
• polyvalent alcohol alkyl ethers such as ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, diethylene
• glycol monomethyl ether diethylene glycol monoethyl ether
• polyvalent alcohol aryl ethers such as ethylene glycol
• nitrogen-containing heterocyclic compounds such as
• amides such as formamide, N-methylformamide, formamide, and
• N,N-dimethylformamide N,N-dimethylformamide
• amines such as monoethanolamine
• solvents can be used along with water individually or in
• preferred water-soluble organic solvents are glycerin, ethylene
• glycol diethylene glycol, triethylene glycol, propylene glycol,
• dipropylene glycol tripropylene glycol, l,3 butanediol, 2,3-butanediol, 1,4-butanediol, 3-methyl-l,3-butanediol,
• capable of preventing color bleed include the following ones.
• glycerin serves as a moisturizing agent
• recording ink is preferably 15% by mass to 40% by mass
• the ink is easily dried in the nozzle, and droplets may not be
• the ink viscosity may be increased
• surfactant one selected from anionic surfactants,
• anionic surfactant examples include alkylallyl,
• alkylnaphthalenesulfonate alkylphosphate, alkylsulfate,
• alkylsulfonate alkylethersulfate, alkylsulfosuccinate
• alkylester sulfate alkylbenzene sulfonate
• alkyldiphenyletherdisulfonate alkylaryletherphosphate, alkylarylethersulfate, alkylaryletherestersulfate, olefinsulfonate,
• alkaneolefinsulfonate polyoxyethylenealkyletherphosphate
• nonionic surfactant examples include acetylene
• glycol surfactants polyoxyethylenealkylether,
• polyoxyethylenealkylphenylether polyoxyethylenealkyl ester
• Examples of the cationic surfactant include alkyl amine
• amphoteric surfactant examples include:
• imidazoline derivatives such as imidazolium betaineJ
• alkyldi(aminoethyl) glycine alkyldi(aminoethyl) glycine.
• n is an integer of 1 to 40.
• R 1 represents an anionic group
• surfactants include Surflon S-Hl, S-112, S-113, S 121, S-131,
• FC-431, and FC4430 available from Sumitomo 3M Limited
• EF-352, EF-801, and EF-802 available from JEMCO Inc.
• Nonionic surfactants and fluorochemical surfactants are examples of nonionic surfactants and fluorochemical surfactants.
• colorant examples include dyes such as oiLsoluble
• color pigments such as anthraquinone, phthalocyanine blue,
• phthalocyanine blue examples include copper phthalocyanine
• anthraquinone include C.I. Pigment Red 43, C.I. Pigment Red
• Examples of typical perylene include C.I. Pigment Red 123
• Examples of typical thioindigoid include CL Pigment Red 86, C.I. Pigment Red 87, C.I. Pigment Red 88, C.I. Pigment Red 181,
• heterocyclic yellow examples include C.I. Pigment
• dispersing agent those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties: those having the following properties:
• dispersions can be preferably used.
• polyacrylic acid polymethacrylic acid, acrylic acid-acrylonitrile
• alkyl ester copolymers styrene-maleic acid copolymers
• vinylacetate-maleic acid ester copolymers vinylacetate-crotonic acid copolymers, and vinylacetate ⁇ acrylic acid copolymers.
• the dispersing agent may be suitably added
• the dispersing agent is preferably added to the pigment at a
• the pigment can be stably dispersed without using a
• dispersing agent for dispersing pigments.
• anionically charged carbon black or cationically charged carbon black is suitably used.
• carbon black is preferable that is produced by furnace method or
• Monarch 1300, and Monarch 1400 available from Cabot Corp.
• Color Black FWl Color Black FW2, Color Black FW2V, Color Black FW18, Color Black FW200, Color Black FWS150, Color
• Printex V Printex 140 U, Printex 140 V, Special Black 6, Special
• the carbon black is not limited to those described above.
• the carbon black to be used in the present invention is a
• the carbon black can be stably dispersed without
• carbon black include a method in which a carbon black is added
• an oxidizing agent aqueous solution for example, an oxidizing agent aqueous solution
• alkali-metal salt such as hypochlorite, chlorite, chlorate,
• hydrophilic group examples include -COOM,
• organic ammonium, ' and R represents an alkyl group having 1 to
• organic ammonium include monomethyl ammonium, trimethyl
• hydrophilic group a quaternary ammonium group is preferably
• a carbon black pigment of which any one of these quaternary ammonium groups is bound to the surface is
• the added amount of pigment as colorant is preferably 4%
• resin fine particles can be added.
• the resin fine particles are fine particles in
• resin components examples include acrylic resins,
• the resin fine particles preferably have a particle
• carbon atoms can be used as a penetrant.
• the storage stability may be degraded.
• diol compound examples include
• the added amount of the diol compound is preferably
• the printing dot diameter may be increased to broaden the
• aminopropanediol cpmpound is a water-soluble base compound
• Aminopropanediol derivatives are not particularly limited,
• 2-amino-2-ethyl l, 3-propanediol is particularly preferable.
• the recording ink is preferably 0.01% by mass to 10% by mass
• the other components are not particularly limited, may
• a pH adjustor an antiseptic and mildewproofing agent, an anti-corrosive agent, an antioxidant, an ultraviolet abso.rber, an oxygen absorbent, and a light stabilizer.
• antiseptic and mildewproofing agent examples include l,2-benzisothiazoline-3-on, sodium dehydroacetate, sodium sorbate, 2-pyridinethiol- l-oxide sodium, sodium benzoate, and pentachlorophenol sodium.
• the pH adjustor is not particularly limited, and an
• pH adjustor examples include amines such as diethanolamine, and triethanolamine> " hydroxides of alkali-metal
• alkali-metal carbonates such as lithium carbonate, sodium carbonate, and potassium carbonate.
• anti-corrosive agent examples include acidic
• antioxidant examples include phenol antioxidant
• antioxidants sulfur .antioxidants, and phosphorous
• phenol antioxidants include butylated hydroxyanisol,
• the amine antioxidant include phenyl ⁇ -naphthylamine,
• propionate] methane and l, l,3-tris(2 methyl-4-hyroxy5-tert-butylphenyl) butane.
• sulfur antioxidant examples include dilauryl
• distearyl ⁇ , ⁇ ' thiodipropyonate distearyl ⁇ , ⁇ ' thiodipropyonate, 2-mercaptobenzoimidazol, and dilauryl sulfide.
• the phosphorous antioxidant include triphenylphosphite, octadecylphosphite, triisodecylphosphite, trilauryltrithiophosphite, and trinonylphenylphosphite.
• ultraviolet absorber examples include benzophenone ultraviolet absorbers, benzotriazole ultraviolet
• salicylate ultraviolet absorber examples include
• the recording ink of the present invention can be produced by dispersing or dissolving at least water, a colorant, a
• the components can be dispersed using, for example,
• a sand mill a homogenizer, a ball mill, a paint shaker, or a
• ultrasonic dispersion device and the components can be usually
• poorly water-absorbable coated paper represents printing
• coated paper containing a coating layer on at least one surface
• absorptometer for a contact time of 100 ms is 3 mL/m 2 to 15 mL/m 2 .
• the recording medium right after the ink is dropped on the recording medium depends on the surface tension of the ink, and the surface tension of the ink at a temperature of 25°C is preferably adjusted to 20 mN/m to 40 mN/m, and more preferably adjusted to 23 mN/m to 36 mN/m.
• the surface tension of the ink is lower than 20 mN/m, the wetting of the ink to the ink discharge nozzle surface is increased, and ink droplets easily adhere on the nozzle head, and therefore ink droplets may not be stably discharged.
• the surface tension of the ink is higher than 40 mN/m, the wetting of the ink to the recording medium is insufficient, which may cause color bleeding.
• the contact angle between the recording ink and a recording medium right after the ink is dropped on poorly water absorbable coated paper here, the contact angle of the each ink when measured 100 ms after 2 ⁇ L of the each ink is dropped on a recording medium is preferably 15 degrees to 35 degrees, when the recording medium is provided with a coating layer on at least one surface of a support and has a transfer amount of pure water to the recording medium measured by the use of a dynamic scanning absorptometer for a contact time of
• 100 ms is 3 mL/m 2 to 15 mL/m 2 .
• the contact angle is smaller than 15 degrees, color bleed easily occurs, and when the
• Liquid absorption property can be measured by using a
• DSA dynamic scanning absorptometer
• DSA absorptometer
• the support is not particularly limited, may be suitably
• sheet-like materials like paper mainly made of wood-fiber, or nonwoven fabric mainly made of wood-fiber and synthetic fiber.
• the paper is not particularly limited and may be suitably selected from among those known in the art in accordance with the intended use.
• wood pulp, waste paper or the like is used.
• the wood pulp include NBKP, LBKP,
• NBSP NBSP
• LBSP LBSP
• GP GP
• TMP TMP
• an internal filler used in the support for example, a pigment known as a white pigment is used.
• the internal filler include white inorganic pigments such as light calcium carbonate, heavy calcium carbonate, kaolin, clay, talc,
• Examples of the internal sizing agent to be used in papermaking the support include neutral rosin sizing agents, alkenyl succinic anhydrides (ASA), alkylketenedimer (AKD), and petroleum resin sizing agents. Of these, neutral rosin sizing agents or alkenyl succinic anhydride
• the coated layer contains a pigment and a binder and
• inorganic pigment with an organic pigment is used. Examples
• the inorganic pigment include pigments made from kaolin,
• titanium dioxide aluminum hydroxide, calcium hydroxide,
• Kaolin is
• make sheet paper have a texture close to offset printing sheet
• ⁇ m or less are contained 80% by mass or more account for 50%
• the blending amount of kaolin is preferably 50 parts by
• upper blending amount of kaolin is not particularly limited
• examples of the organic pigment include
• water-soluble dispersions such as styrene-acryl copolymer
• pigments may be used and mixed as internal fillers in the
• the blending amount of the organic pigment is
• pigments are excellent in glossiness and have a lower specific
• pigment particles are typically formed in a densely filled shape
• particle diameter is preferably ranging from 0.2 ⁇ m to 3.0 ⁇ m in
• porosity of 40% or more be employed.
• a water-based resin is preferably used.
• water-soluble resin or a water-dispersible resin is preferably
• the water-soluble resin is not particularly limited, may be any water-soluble resin used.
• the water-soluble resin is not particularly limited, may be any water-soluble resin used.
• examples thereof include polyvinyl alcohol, modified polyvinyl
• alcohols such as anion-modified polyvinyl alcohol,
• polyvinylpyrolidones such as polyvinylpyrolidone vinyl acetate
• vinylpyrolidone-methacrylamidepropyl trimythylammonium chloride copolymers celluloses such as carboxymethylcellulose,
• cellulose such as cationized hydroxyethyl cellulose
• polyester
• copolymers poly(meth)acrylic acids, poly(meth)acrylamides,
• water-soluble resins may be used alone or in combination with
• polyester-polyurethane copolymers are examples of polyurethane, and polyester-polyurethane copolymers.
• the coating layer can be any suitable coating layer.
• coating layer solution or a coating layer solution is applied to a
• coating solution to the support surface is not particularly limited
• the support surface can be coated with the coating layer solution using one of various coaters such as conventional size presses, gate roll size presses, film transfer size presses, blade coaters, rod coaters, air-knife coaters, and curtain coaters, however, from the viewpoint of cost performance, the support may be impregnated in the coating layer solution or may be applied with the coating layer solution using a conventional size press, gate roll size press, or a film transfer size press set in a paper machine and then surfaced on the machine.
• various coaters such as conventional size presses, gate roll size presses, film transfer size presses, blade coaters, rod coaters, air-knife coaters, and curtain coaters, however, from the viewpoint of cost performance, the support may be impregnated in the coating layer solution or may be applied with the coating layer solution using a conventional size press, gate roll size press, or a film transfer size press set in a paper machine and then surfaced on the machine.
• Examples of commercially available coating solution to be used for the coating layer solution include OK Topcoat, OK Astro-Gloss, OK Non-wrinkle, SA Kinfuji+, OK Kinfuji ⁇ , OK Non-wrinkle, (F) MCOP, OK Astro-dull, OK Astro-matt, OK Ultra-aquasatin, OK Emboss-matt, OK Emboss-pearskin finish, OK Emboss grain, OK Emboss homespun, OK Opt-gloss, OK Kasao, OK Casablanca, OK Casablanca V, OK Casablanca-X, OK Kinfuji single-side, OK Coat L, OK Coat L Green 100, OK Coat N Green 100, OK Coat V, OK medium-quality coat (for offset), OK Topcoat S, OK Topcoat dull, OK Topcoat matt N, OK Trinity, OK Trinity NaVi, OK Trinity NaVi-V, OK Neo Topcoat, OK Neo Topcoat-matt, OK Non-wrinkle AL, OK Non-wrinkle DL
• EP D Gloss EP-L Gloss, EP-L Matt, EP D Premium White, and
• invention can be preferably used in various areas and can be
• recording subject paper and the recording ink can be any material after printing, recording subject paper and the recording ink.
• the present invention can be particularly preferably used in the
• the ink cartridge suitably used in the present invention
• the container is not particularly limited and its shape,
• FIG. l is an illustration showing an
• FIG.2 is an illustration of the ink cartridge of FIG. l
• an ink pouch 200 As shown in FIG. l, an ink pouch
• ink outlet 243 made of a rubber material is pierced by a needle
• the ink pouch 241 is formed by a packaging member such as
• the ink pouch as a non-permeable aluminum laminated film.
• cartridge case 244 generally made of plastics
• the ink cartridge of the present invention contains the
• the ink cartridge can be detachably mounted on variety types of inkjet
• ink cartridge of the present invention be detachably mounted on
• the inkjet recording apparatus suitably used in the
• present invention is provided with at least an ink drop
• the inkjet recording method of the present invention can be any inkjet recording method of the present invention.
• the ink drop discharging step can be preferably
• the ink drop discharging step is a step in which an
• the ink drop discharging unit is a unit configured to
• discharging unit is not particularly limited, and examples
• nozzle member be made of a material containing at least
• the nozzle diameter of the inkjet nozzle is preferably
• subtanks for supplying ink be
• the impulse may be generated by using, for example, the
• impulse generating unit and the impulse is not particularly
• the impulse generation unit may be, for example, a
• a piezoelectric actuator such as a piezoelectric actuator
• electrothermal conversion element such as an exothermic
• the aspect of the ink drop discharging is not particularly limited
• ink in the recording head for example, using a thermal head
• the thermal energy causes the ink to bubble, and the bubble
• the discharged ink droplets preferably have a particle
• the discharge jet speed is preferably 5m/sec to 20m/sec; the driving frequency is preferably IkHz or more;
• the resolution is preferably 300dpi or more.
• inkjet recording apparatus shown in FIG. 3 contains an
• the apparatus body 101 for receiving papers on which images are
• operation part 105 having operation keys and indicators is
• the ink cartridge mounting part 104 has a front cover 115
• a guide rod 131 that is a guide
• Recording heads 134 consisting of four inkjet recording
• electrothermal conversion element such as an exothermic
• the carriage 133 is provided with subtanks 135 for
• a half-moon roller (a feed roller 143) that
• roller 143 is made of a large friction coefficient material.
• the separation pad 144 is biased toward the feed roller 143.
• a charging roller 151 conveying belt 151 by a presser member 154.
• a charging roller 154 conveying belt 151 by a presser member 154.
• the conveying belt 151 is an endless belt, being spanned
• conveying belt 151 has a front layer that is a paper adsorbing
• An output part for discharging the paper 142 on which recording was done by the recording heads 134 is provided

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• 2006
  • 2006-10-24 JP JP2006288912A patent/JP5510696B2/ja not_active Expired - Fee Related
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  • 2006-10-24 WO PCT/JP2006/321596 patent/WO2007049782A1/en active Application Filing
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