WO2006011311A1 - 複合型画像形成装置 - Google Patents
複合型画像形成装置 Download PDFInfo
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- WO2006011311A1 WO2006011311A1 PCT/JP2005/010982 JP2005010982W WO2006011311A1 WO 2006011311 A1 WO2006011311 A1 WO 2006011311A1 JP 2005010982 W JP2005010982 W JP 2005010982W WO 2006011311 A1 WO2006011311 A1 WO 2006011311A1
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- Prior art keywords
- discharge
- heat
- electrode
- heating
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/34—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner
- G03G15/344—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
- G03G15/348—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array using a stylus or a multi-styli array
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- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
- B41J3/546—Combination of different types, e.g. using a thermal transfer head and an inkjet print head
Definitions
- the present invention relates to a heat discharge type printing unit having a heat discharge type print head that forms an image by irradiating and emitting ions by discharge, and a visible image type that forms a visible image on various print media.
- the present invention relates to a composite image forming apparatus provided with a printing portion.
- the electrophotographic method uses two processes, uniform charging and exposure, to release the exposed portion of the charge on the uniformly charged photoconductor, thereby forming an electrostatic latent image on the photoconductor as the electrostatic latent image carrier.
- the ion irradiation method in an atmosphere where ions can be generated (such as in the air), only selective charging (electrostatic latent image formation charging) is performed by irradiation of ions generated by discharge from the discharge electrode. Since the formation of the electrostatic latent image can be completed on the electrostatic latent image bearing member (which is not necessarily a photosensitive member as long as it is an insulator), no exposure optical system such as a polygon mirror is required at all. This is a more simplified electrostatic latent image forming system.
- An application of an electrostatic latent image forming method using an ion irradiation method is a static image in which a visible image appears inside due to the action of the electric charge of the electrostatic latent image formed on the surface. Since an electrostatic latent image can be directly formed on an electro-development type recording medium by ion irradiation, it is not contacted with an electrostatic development type recording medium of a recording medium generally called a digital paper. For writing, it is an optimal image forming apparatus that can be considered at present (for example, see FIG. 4 of Patent Document 1).
- a minute ball is color-coded into two colors (for example, black and white), and the ball is rotated to display an arbitrary color depending on the electrical characteristics of each color.
- Electrostatic system, liquid crystal plate or liquid crystal block liquid crystal shutter that displays two colors (for example, black and white) of fine powder mixed in the ball, and displays only one color floating due to the difference in electrical characteristics of the fine powder of each color Open and close the shutter
- There is a liquid crystal system that displays the background color of the part where the window is opened.
- the print media used in image forming devices is plain paper with a low unit price. Some of them are mixed and shredded immediately after shredding with a shredder. Considering this situation, use low-priced plain paper for documents that are printed and stored for a long period of time, and erase and re-use the contents for documents that are disposed of immediately after being read. If possible digital paper is used, paper resources can be saved.
- plain paper in a broad sense, and plain paper used in a broad sense is the original plain paper or It is defined as a visible image carrier type printing medium such as thermal paper whose surface is heat-treated.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-326756
- the image forming apparatus of is a dedicated machine in which the usable printing medium is limited to a dedicated recording medium such as an expensive digital paper whose unit price is several hundreds of yen.
- the paper has a problem that it cannot be recorded and lacks versatility. Also, even if you try to introduce digital paper to save paper resources, you must purchase and install it separately from existing image forming devices, and you will need to use multiple devices separately. However, there is a problem that it becomes complicated and lacks space saving.
- the present invention solves the above-described conventional problems, and can be applied to both a dedicated recording medium such as a digital vapor in which a visible image appears by discharge and plain paper, and is practical, versatile, and space-saving.
- An object of the present invention is to provide a composite type image forming apparatus that is excellent in terms of saving paper resources and is excellent in resource saving.
- a composite image forming apparatus of the present invention has the following configuration.
- the composite image forming apparatus according to claim 1 of the present invention includes: (a) a discharge part having a discharge electrode; and a heating unit having a heat generating part for heating the discharge electrode, wherein the discharge control voltage is For a recording medium having a heat discharge type print head that controls the generation of discharge by controlling the temperature of each applied discharge electrode, and a visible image appears by the discharge from the heat discharge type print head.
- a heating / discharge type printing unit that performs recording
- This configuration has the following effects.
- a heat-discharge-type printing unit compatible with dedicated recording media and a visible image-type printing unit compatible with plain paper are installed, so it is possible to reuse documents that need only be looked through and do not need to be stored. It can be printed on a special recording medium, and ordinary documents (documents stored for a long time) can be printed on plain paper, saving paper resources.
- a discharge electrode to which a discharge control voltage (a voltage range in which discharge does not occur when applied only because of low voltage, but discharge occurs when heated) is applied to a heat-discharge type print head.
- a discharge control voltage a voltage range in which discharge does not occur when applied only because of low voltage, but discharge occurs when heated
- thermoelectrons are emitted from the heated discharge electrode and discharge and light emission occur, and the ion generation amount can be controlled in an atmosphere where ions can be generated. Recording can be performed on a dedicated recording medium such as an electro-developing digital paper.
- the ion generation amount and emission intensity of the heat discharge type print head can be controlled by heating control, the area gradation on the recording medium becomes easy, and the image quality in the heat discharge type print unit can be improved. it can.
- the discharge part of the heat discharge type print head has a plurality of discharge electrodes divided into comb teeth. Can be connected to each other with a common electrode, or both ends of a plurality of discharge electrodes can be connected with a common electrode to form a ladder.
- a common electrode in the vicinity of the discharge electrode, the heat dissipation area of the discharge electrode is increased and the heat capacity is increased, so that the cooling effect of the discharge electrode and the response to heating stop are improved, and the resistance value is always reduced. Since a stable voltage can be applied, the stability of discharge can be further improved.
- the cooling effect of the discharge electrode which is temporarily heated to 200 to 300 ° C., can be improved and heat can be prevented.
- Discharge can be stopped in response to heat off quickly, and the discharge time interval can be shortened to enable or disable discharge.
- the resistance value of the common electrode can be reduced, and the potential difference generated between the discharge electrodes connected by the common electrode can be suppressed as much as possible. Therefore, variation in the discharge amount in each discharge electrode can be reduced, Excellent discharge stability.
- a conductive material layer may be formed on at least the surface of the common electrode in the discharge part.
- the resistance value of the common electrode can be further reduced, the potential difference generated between the discharge electrodes can be reliably reduced, and the discharge stability is excellent.
- the conductive material layer has conductivity superior to that of the discharge part, it can be easily formed by screen printing of silver paste or silver plating. By increasing the thickness of the conductive material layer, the resistance value of the common electrode can be reduced, and the discharge stability can be improved.
- the discharge electrode When the discharge electrode is formed in a comb shape, the discharge electrode can be formed in a substantially rectangular shape, a trapezoidal shape, a semicircular shape, or a combination of these. Further, the peripheral length of the discharge electrode can be increased by dividing a part of the discharge electrode with a slit or the like or by forming an uneven portion on the peripheral edge. Since the discharge electrode has a large amount of discharge from the periphery of the edge, it is possible to increase the discharge amount as much as the discharge electrode force by increasing the circumference of the periphery of the edge, and to increase the amount of emitted ions and emission intensity. The discharge control device is excellent in energy saving and efficiency. Also, since the voltage applied to the discharge electrode can be set small, the discharge electrode has excellent long life.
- the discharge hole portion may be formed corresponding to the heating position of the heating element.
- the shape of the discharge hole can be formed in various shapes such as a substantially circular shape, a substantially elliptical shape, a polygon such as a quadrangle and a hexagon, and a star shape. Further, the number and size of the discharge hole portions per heating place can be appropriately selected and combined.
- the discharge electrode an electrode in which a metal such as gold, silver, copper, or aluminum is formed by vapor deposition, sputtering, printing, etc., and then etched to form a pattern is suitably used.
- a conductive material such as carbon may be used.
- the discharge control voltage can be applied to the discharge electrode and the generation of the discharge can be controlled by heating, it is possible to easily generate the discharge selectively from any discharge electrode by selecting the heating location by the heating means. be able to.
- the thickness is preferably 0.1 ⁇ to 100 / ⁇ m. As the thickness of the discharge electrode becomes thinner than 0.1 ⁇ m, it tends to be affected by wear, and the life of the discharge electrode tends to be shortened, and as it becomes thicker than 100 ⁇ m, the heat capacity increases and the heating is turned on and off. There is a tendency that the responsiveness tends to decrease, both of which are not preferable.
- the discharge electrodes of the discharge part may be arranged in a plurality of rows with a plurality of discharge electrodes formed at the same basic pitch as a single row.
- the minimum pitch between the discharge electrodes can be made narrower than the basic pitch, and the overall resolution can be improved. Since the basic pitch between the discharge electrodes in each row can be formed widely, processing is easy, the mass production is excellent, and the yield can be improved.
- the common electrode When a common electrode for connecting a plurality of discharge electrodes is provided, the common electrode may be independent for each column arranged in parallel! /, Or may be common for multiple columns! /.
- the pitch in the arrangement direction of the discharge electrodes projected on the horizontal plane (the pitch during image formation) must be narrower than the basic pitch. It is possible to improve the resolution by mounting at high density without any processing restrictions.
- the induction electrode When the induction electrode is formed so as to be separated from the discharge electrode and insulated from the discharge electrode, the gap between the discharge electrode and the induction electrode is always kept constant. By applying a voltage to, discharge can be generated efficiently. In addition, by covering the induction electrode with the induction electrode insulating film, the induction electrode can be reliably insulated and the occurrence of a short circuit can be prevented.
- the material of the induction electrode insulation film is glass, ceramic
- My strength, synthetic resin, and the like can be preferably used, and can be formed by screen printing, vapor deposition, sputtering, or the like.
- a ground electrode or a positive voltage for applying an electric field between the discharge electrode of the heat discharge type print head and the recording medium is applied to the back side of the recording medium on which recording is performed by irradiating ions with the heat discharge type print head. It is preferable to install a positive voltage application section. By providing the ground electrode portion, it is possible to irradiate the recording medium with ions from the discharge electrode of the heat discharge type print head regardless of the presence or absence of the induction electrode. In addition, when irradiating negative ions, by providing a positive voltage application unit, a positive voltage can be applied to the recording medium side, and the same effect can be obtained. As a result, the unit dots in the heat discharge type printing unit of the composite image forming apparatus can be miniaturized, the irradiation position accuracy can be improved, and high-definition recording can be performed.
- the process of forming the induction electrode can be omitted, resulting in excellent productivity, and the discharge control device can be miniaturized and mounted at a high density. The resolution can be increased.
- the vicinity of the heating position by the heat generating part of the heating means becomes the discharge generation part, but it is preferable to cover the discharge part except for the discharge generation part.
- the discharge part has a common electrode and a discharge electrode
- the coating film is covered on the common electrode and on the discharge electrode except for the discharge generation part.
- a step can be formed between the surface of the discharge generation part and the surface of the coating film. For this reason, the gap between the discharge electrode and the recording medium or the like disposed opposite to the discharge electrode can be kept constant, so that the discharge having the discharge electrode force can be stabilized.
- the recording medium can be prevented from coming into contact with the discharge generating portion of the discharge electrode.
- the coating film has an opening formed in a substantially circular shape, a substantially elliptical shape, a substantially rectangular shape, or the like in the discharge generating portion of the discharge portion (near the heating position by the heat generating portion of the heating means).
- the opening may be formed independently for each of the plurality of discharge generation parts, or a plurality of discharge generations. It may be formed in a continuous long hole so as to span the part.
- the coating film is made of an insulator and is made of glass, synthetic resin such as aramid polyimide, SiO
- a material such as 2nd ceramic or My strength is preferably used.
- the coating film can be formed by screen printing, vapor deposition, or notter.
- the heat-discharge type printing unit it is possible to form an image by oxidation-reduction reaction in addition to the formation of the electrostatic latent image. Moreover, according to the light emission of discharge, recording can also be performed on a digital paper using a photochromic compound that forms an image with ultraviolet rays or visible rays.
- an image can be formed on a recording medium that has been previously initialized and the printing content has been erased.
- a charging roller, a charging brush, etc. are provided as a restoring device to uniformly charge the surface of the recording medium inside the apparatus and initialize the recording medium. And rewriting to the recording medium can be repeated.
- unnecessary recording can be erased by applying a charge having a polarity opposite to that at the time of image formation to a recording medium on which an image has been formed from a heat discharge type print head.
- the visible image type printing unit may be a plain image, a glossy paper, an OHP sheet, or the like that can form a visible image on a visible image carrier type printing medium.
- a visible image carrier type printing medium Oh
- It can be combined with various types of printing units such as the conventional inkjet type, thermal head type, and electrophotographic type. Note that even if a heat discharge type print head is used as a print head, a visible image is formed on a visible image carrier type print medium by an electrostatic latent image forming method (for example, the request of Patent Document 1). Item 4) is included in the electrophotographic printing section.
- the conveying path and the paper feeding unit of the heat discharge type printing unit and the visible image type printing unit may be provided separately corresponding to each printing unit, or may be shared. Shared transport path In this case, the apparatus can be reduced in size and excellent in space saving.
- the paper feeding unit is provided separately, a dedicated recording medium used in the heat discharge type printing unit and a printing medium used in the visible image type printing unit are not erroneously used, and the reliability is excellent.
- the heat generating part of the heating means may be one that can heat the plurality of discharge electrodes in close contact with the discharge electrode as long as it can selectively heat, or one that is heated away from the discharge electrode. Good.
- the heating means includes a heat generating part insulating film that is covered with the heat generating part and is in close contact with the discharge electrode
- the heat generating part of the heating means can be formed in close contact with the discharge electrode through the heat generating part insulating film.
- discharge part can be handled as one body, and it is easy to handle and assemble.
- the heat generating part can be in close contact with the discharge electrode, and the heat generated by the heat generating part can be efficiently transferred to the discharge electrode. Excellent in properties.
- the heating means having a heat generating portion that is heated in close contact with the discharge electrode the same configuration as that of a thermal print head used in a conventional thermal facsimile can be suitably used.
- the heat generation of the heat generating element is controlled by a driver IC electrically connected to the heat generating part having the heat generating element. For example, it is possible to selectively generate heat at an arbitrary portion of one heating element disposed across a plurality of discharge electrodes or a plurality of heating elements individually disposed corresponding to a plurality of discharge electrodes. Some generate heat.
- one heating element By electrically connecting the heating elements with electrodes formed in a comb-like or matrix pattern, one heating element can correspond to any discharge electrode or to each discharge electrode. It is possible to generate heat by selectively energizing an arbitrary heating element among a plurality of heating elements.
- the heating element TaSiO, RuO or the like is preferably used.
- a heat generating part insulating film is formed to protect and insulate the heating element and the electrodes connected to the heating element.
- the material for the heat generating part insulating film SiAl, SiO, SiC, lead glass, My power, etc. are preferred, since those with high thermal conductivity that can efficiently transfer the heat of the heating element to the discharge electrode are preferred.
- the heat generating portion insulating film is formed by screen printing, vapor deposition, sputtering, or the like.
- the film thickness is 2 ⁇ m to 50 ⁇ m, preferably 4 ⁇ m. ⁇ 40 m is preferably used.
- the film thickness of the heat generating part insulating film becomes thinner than m, the insulation tends to decrease, and as it becomes thicker than 40 m, it is necessary to increase the applied voltage applied to the discharge electrode and the heat generation amount of the heating element. There is a tendency that energy-saving performance tends to decrease. Also, the resolution tends to decrease as soon as heat is diffused.
- the thickness of the heat-generating part insulating film becomes thinner than 2 m, the surface of the heating element and the electrode connected to the heating element cannot be reliably covered, and pinholes are likely to occur and reliability tends to be lacking.
- the discharge stability tends to decrease and the mass productivity tends to be lacking.
- the film thickness of the heat generating part insulating film By setting the film thickness of the heat generating part insulating film to 2 m to 50 m, preferably 4 / z ⁇ to 40 / ⁇ m, both insulation and thermal conductivity can be harmonized and both are excellent and discharge stability is excellent. .
- the possibility of pinholes overlapping can be reduced by forming the heat-generating part insulating film by multiple coatings.
- the heat generating part can be insulated, so it has excellent reliability.
- the discharge electrode is formed on the heat generating portion insulating film.
- an induction electrode insulating film covering the induction electrode may be extended to the heat generating portion insulating film, and the discharge electrode may be formed thereon.
- the induction electrode can be formed by being laminated on the discharge electrode via an induction electrode insulating film.
- a head board is a hard board made of ceramic or other material with a discharge part or heating means heating part, and a driver IC for controlling heat generation is electrically connected to the heating part of the head board.
- the heating means includes a driver IC that selectively energizes the heating element to control the heating of the heating element, so that the heating of the heating element can be controlled at a low voltage and applied to the discharge electrode.
- the voltage itself can be lowered, and the heat discharge type print head can be reduced in size and extended in life. In addition, it is excellent in mass productivity and reliability as a composite image forming apparatus.
- the driver IC is wire-bonded to the lead pattern extending from the heat generating portion with a gold wire, and the connecting portion is sealed with an IC protective resin such as epoxy resin.
- the print head is made of a printed wiring board equipped with a discharge control device and a connector for electrical connection to the outside, such as aluminum. It is obtained by disposing on a heat radiating plate made of the above material. The heat generated in the heat generating part can be quickly absorbed by the heat radiating plate and radiated from the heat radiating plate, so that the heat generating part can be rapidly cooled. For this reason, the responsiveness of the discharge stop corresponding to a heating stop can be improved. in addition
- Driver ICs can be protected from heat and have excellent reliability.
- irregularities are formed on the surface of the heat sink by grooves or the like, the surface area of the heat sink can be increased, and the efficiency of heat dissipation can be improved.
- An IC cover may be provided on the surface of the driver IC to protect the driver IC. As a result, it is possible to reliably prevent the driver IC and the recording medium from coming into contact with each other, and the reliability is excellent.
- the discharge electrode In addition to forming the discharge electrode on the same plane as the substrate on which the driver IC is disposed, the discharge electrode is substantially the same as the end surface portion of the substrate that is substantially orthogonal to the surface of the substrate on which the driver IC is disposed. It can be disposed on a raised portion of a mold or the like, or an edge portion of a substrate that forms an obtuse angle with the surface of the substrate.
- the driver IC and the discharge electrode form a substantially right angle so that the recording medium is connected to the driver IC. It can be transported in a straight line without interference and is suitable for horizontal printers.
- the substrate may be formed in an approximately L shape, an approximately L shape, or the like by bending the end surface portion of the substrate toward the surface side of the substrate.
- the driver IC can be obtained by arranging the discharge electrode on the edge of the substrate that is chamfered in an inclined manner.
- the discharge electrode forms an obtuse angle, and the same action as the end face type can be obtained without being bulky in the height direction.
- the discharge electrode When the discharge electrode is placed on the raised surface of the raised part formed on the surface of the substrate on which the driver IC is placed, the discharge electrode is placed on the raised surface of the raised part, near the top of the raised part or on the opposite side of the driver Ic.
- the discharge electrode By disposing the discharge electrode on the raised surface, the same effect as that of the edge type wedge type can be obtained without being bulky in the height direction.
- the heat generating part When the heat generating part is disposed apart from the discharge electrode! /
- the heat generating part can be separately manufactured and assembled, the manufacturing yield can be improved and the problem can be solved. But When it occurs, it can be easily disassembled, and repairs and replacement of worn electrodes (discharge parts) can be performed easily.
- the heat generating portion and the discharge electrode are spaced apart to ensure insulation, it is possible to reduce the number of manufacturing steps without having to form a heat generating portion insulating film for insulating the heat generating portion and the discharge electrode. Excellent mass productivity.
- the heating means having a heat generating part that heats away from the discharge electrode
- a method of irradiating a laser beam or a method of irradiating infrared rays can be suitably used as the heat generating part.
- the invention according to claim 2 is the composite image forming apparatus according to claim 1, wherein the visible image type printing unit is an ink jet type printing unit.
- the visible image type printing unit is an ink jet type printing unit
- monochrome printing and color printing can be performed corresponding to various printing media such as glossy paper and OHP sheets in addition to plain paper.
- an ink jet type printing unit a method of generating bubbles in a solution (ink) using conventional thermal energy, and discharging the solution based on the generation of bubbles, a piezoelectric element is used to change the volume.
- a method of discharging the solution is preferably used.
- the invention according to claim 3 is the composite image forming apparatus according to claim 1, wherein the visible image type printing unit is a thermal head type printing unit.
- the visible image type printing part is a thermal head type printing part, printing can be performed in correspondence with heat-sensitive plain paper or ink film.
- thermal head type printing section a conventional thermal type that prints on thermal paper that develops color by heating, a melt type that melts the ink of the ink film and transfers it to the paper, or sublimates the ink onto the paper.
- a heat transfer type such as a sublimation type to be attached is preferably used.
- the invention according to claim 4 is the composite image forming apparatus according to claim 1, wherein the visible image type printing unit is an electrophotographic printing unit.
- the visible image type printing part is an electrophotographic printing part, printing is possible for plain paper. It can be performed.
- a conventional laser beam is used to attach toner to a photoconductor, which is transferred to paper with heat and pressure, and used for printing or an LED (light emitting diode).
- a toner that adheres to the photoreceptor and is transferred to paper with heat and pressure to perform printing is preferably used.
- the invention described in claim 5 is the composite image forming apparatus described in any one of claims 1 to 4 and having a configuration including an image reading unit.
- the printed contents can be read by the image reading section.
- the data can be reprinted by the visible image type printing unit, the printed content can be easily transferred to plain paper and stored, and a dedicated recording medium such as digital paper can be reused.
- Documents and images read by the image reader can be printed on a dedicated rewritable recording medium that can be rewritten by the heat-discharge printer, and can be posted or circulated. There is no need to use plain paper for short-term storage, and it is excellent in resource saving.
- the image reading unit a reduction optical type or contact sensor type scanner is preferably used.
- the image reading unit reads the document. Even when a document is being printed by either the heat-discharge type printing unit or the visible image type printing unit, documents and images to be printed by the other printing unit can be processed in parallel at the same time. The waiting time can be shortened and the processing capacity can be improved.
- the invention according to claim 6 is the composite image forming apparatus according to claim 5, wherein the image forming apparatus includes a facsimile unit that transmits and receives fatimetric information.
- Facsimile information received by the facsimile section can be confirmed by printing on a dedicated recording medium such as digital paper with the heat discharge type printing section, and it is necessary to store it for a long period of time depending on the printed contents. If so, the document on the recording medium can be read by the image reading unit and printed on plain paper by the visible image type printing unit, so that the advantages of the rewritable recording medium can be actively utilized and effectively utilized. In addition, the printing cost in the facsimile section can be reduced and paper resources can be saved.
- a heat-discharge type printing part corresponding to a dedicated recording medium there are two types of printing parts: a heat-discharge type printing part corresponding to a dedicated recording medium and a visible image type printing part corresponding to plain paper.
- a short-term storage document is printed on a rewritable recording medium with a heat-discharge type printing unit, and a long-term storage document is printed on plain paper with a visible image type printing unit. It is possible to provide a composite image forming apparatus excellent in resource saving that can effectively and repeatedly use paper resources and can save paper resources.
- thermoelectrons are emitted from the heated discharge electrode, discharge and light emission occur, and the ion generation amount can be controlled in an atmosphere where ions can be generated. It is possible to provide a composite image forming apparatus excellent in energy saving that can perform recording on a dedicated recording medium such as a digital paper.
- the ion generation amount and emission intensity of the heat discharge type print head can be easily controlled by heating control, the area gradation on the recording medium can be easily performed, and the image quality in the heat discharge type print unit can be improved. It is possible to provide a high-quality and highly reliable composite image forming apparatus that can be improved.
- the inkjet type printing unit is compatible with various printing media such as plain paper, glossy paper, OHP sheets, etc. It is possible to provide a composite image forming apparatus with excellent versatility that can perform color printing.
- Support for printing on a dedicated recording medium by the heat discharge type printing unit, and the thermal head type printing unit can perform printing corresponding to heat-sensitive plain paper and ink film.
- a composite image forming apparatus can be provided.
- the electrophotographic printing unit can perform printing corresponding to plain paper, and it is a composite image with excellent practicality and versatility.
- a forming apparatus can be provided.
- the content printed on a dedicated recording medium such as digital paper can be read by the image reading unit and reprinted by the visible image type printing unit, so the printed content can be easily transferred to plain paper. It is possible to provide a composite image forming apparatus excellent in practicality and functionality that can be stored in place and can be reused.
- a test image is printed on a dedicated recording medium that can be rewritten in the heating / discharge type printing unit after the document or image read by the image reading unit is confirmed, and then visible image type printing is performed. Therefore, it is possible to provide a composite image forming apparatus that can print on plain paper at the section and is excellent in resource saving, which can prevent printing errors.
- Documents and images read by the image reading unit are printed on a dedicated recording medium that can be rewritten by the heat-discharge type printing unit, so that documents that are stored in short-term and used for posting, circulation, etc. It is possible to provide a composite image forming apparatus that does not need to print on paper and has excellent resource saving.
- Facsimile information received by the facsimile section can be confirmed by printing on a dedicated recording medium such as digital paper with the heat discharge type printing section, and it is necessary to store it for a long period of time depending on the printed contents. If so, the document on the recording medium can be read by the image reading unit and printed on plain paper by the visible image type printing unit, so that the advantages of the rewritable recording medium can be actively utilized and effectively utilized. In addition, it is possible to provide a composite image forming apparatus excellent in resource saving and functionality that can reduce the printing cost in the facsimile section and save paper resources.
- FIG. 1 is a configuration diagram of a composite image forming apparatus in Embodiment 1.
- FIG. 1 is a configuration diagram of a composite image forming apparatus in Embodiment 1.
- FIG. 2 is a schematic diagram of a main part showing a configuration of a heating / discharging type printing unit of the composite image forming apparatus in the first embodiment.
- FIG. 3 (a) Schematic side view showing a heat discharge type print head of a heat discharge type print unit of the composite type image forming apparatus in Embodiment 1. (b) Heating of the composite type image forming apparatus in Embodiment 1. It is a principal part model perspective view which shows the heating discharge type print head of a discharge type printing part.
- FIG. 4 is a plan development view of a main part of a head substrate of a heat discharge type print head of a heat discharge type print unit of the composite image forming apparatus in Embodiment 1.
- FIG. 5 is a cross-sectional view taken along line AA in FIG. 4 (b) is a cross-sectional view taken along line BB in FIG.
- FIG. 6 is an exploded perspective view of the main part of the head substrate of the heat discharge type print head of the heat discharge type print unit of the composite image forming apparatus in the first embodiment.
- FIG. 7 Heating discharge of the heat-discharge type printing unit of the composite image forming apparatus in the first embodiment. It is a block diagram of the discharge control apparatus of a type
- FIG. 8 is a perspective view showing a heating part forming step of the head substrate of the heat discharge type print head of the heat discharge type print part of the composite type image forming apparatus in the first embodiment.
- FIG. 9 is a perspective view showing a discharge part forming step of a head substrate of a heat discharge type print head of a heat discharge type print part of the composite image forming apparatus in Embodiment 1.
- FIG. 10 (a) Heating of the heat-discharge type printing unit of the composite type image forming apparatus in Embodiment 1 (b) FIG. It is CC sectional view taken on the line of (a).
- FIG. 11 is a cross-sectional view showing a second modification of the head substrate of the heat discharge type print head of the heat discharge type print unit of the composite type image forming apparatus in the first embodiment.
- FIG. 12 (a) Heating of the heat-discharge type printing unit of the composite type image forming apparatus according to Embodiment 1 (b) FIG. It is a DD sectional view taken on the line in (a).
- FIG. 13 is a diagram showing an ion irradiation method of a heat discharge type print head of a heat discharge type print unit of the composite type image forming apparatus in Embodiment 1 of the present invention.
- FIG. 14 is a configuration diagram of a composite image forming apparatus in a second embodiment.
- FIG. 15 is a configuration diagram of a composite image forming apparatus in a third embodiment.
- FIG. 1 is a configuration diagram of the composite image forming apparatus according to the first embodiment.
- FIG. 1 is a composite type image forming apparatus according to Embodiment 1 of the present invention
- 2 has a heat discharge type print head 3, and a digital page on which a visible image appears by discharge of the heat discharge type print head 3.
- Heat-discharge type printing unit of composite type image forming apparatus 1 that records on dedicated recording medium 40 such as PA, 4 is a visible image on plain paper 41 as a visible image carrier type printing medium 2 is a visible image type printing unit of the composite image forming apparatus 1 that forms
- the visible image type printing unit 4 various types of printing units such as a conventional ink jet type, thermal head type, and electrophotographic type are used. Since these printing sections are already in widespread use and the structure is well known, detailed description thereof is omitted. Even if the thermal discharge type print head 3 is used as the print head, a visible image is formed on a visible image carrier type print medium by an electrostatic latent image forming method (for example, Patent Document 1). Claim 4) is included in the electrophotographic printing section.
- the plain paper 41 when compared with a dedicated recording medium 40 such as digital paper is a visible image carrier type printing medium such as original plain paper or heat-sensitive paper whose surface has been heat-treated. is there.
- Original plain paper is used in the ink jet type printing part and electrophotographic type printing part, and thermal paper whose surface is heat-treated is used in the thermal head type printing part.
- FIG. 2 is a main part schematic diagram showing the configuration of the heat-discharge type printing unit of the composite image forming apparatus according to the first embodiment.
- reference numeral 5 denotes a restorer of the heat-discharge type printing unit 2 that uniformly charges the medium substrate surface 40a when the recording medium 40 is a recording medium in which a visible image appears due to the action of electric charges due to discharge
- 40b Is arranged on the back side of the recording medium 40 and between the heat discharge type print head 3 and the recording medium 40. This is a ground electrode portion for applying an electric field to the.
- a charging roller, a charging brush, or the like is preferably used as the restoring device 5.
- a ground electrode roller may be provided instead of the flat ground electrode section 40b!
- the heating / discharge type print head 3 can irradiate either positive or negative ions during discharge.
- negative ion irradiation is performed will be described.
- the restorer 5 charges the medium substrate surface 40 a of the recording medium 40 to positive polarity having a polarity opposite to that of the ions irradiated from the heat discharge type print head 3.
- the thickness of the recording medium 40 is approximately 0.2 mm, and when printing with the heat-discharge type print head 3, it may be curved in a flat state as shown in FIG. In order not to deteriorate the durability performance, it is preferable to perform printing in a flat state.
- FIG. 2 is merely an example of the heat-discharge type printing unit 2 and is not limited thereto.
- a document that needs to be stored for a long time is printed on plain paper 41 by the visible image type printing unit 4 and stored.
- documents to be disposed of in a short period of time are printed on the recording medium 40 by the heat-discharge type printing unit 2, and when the printed document is used up, the recording medium 40 is blanked out by restoration processing. You can use it repeatedly by erasing the print contents.
- the recording medium 40 and plain paper 41 are properly used according to the purpose of the document and can be used repeatedly. If a large number of recording media 40 are used, it can contribute to the saving of paper resources that need to protect forests these days.
- the heat-discharge type printing unit 2 in addition to forming an electrostatic latent image, it is possible to form an image by an oxidation-reduction reaction.
- recording can be performed on a digital paper using a photochromic compound that forms an image with ultraviolet rays or visible rays.
- the conveyance path of the recording medium 40 for the heating / discharge type printing unit 2 and the conveyance path of the plain paper 41 for the visible image type printing unit 4 are provided separately, but these conveyance paths are common. Can be used.
- the transport direction is relative, and the heating discharge type printing unit 2 and the visible image type printing unit 4 may be fixed and the recording medium 40 or plain paper 41 may be transported. Part 2 and visible image type printing part 4 may be moved.
- FIG. 3 (a) is a schematic side view showing a heating / discharging type print head of the heating / discharging type printing unit of the composite type image forming apparatus in Embodiment 1
- FIG. 3 (b) is a composite type image in Embodiment 1. It is a principal part schematic perspective view which shows the heat discharge type
- 10 is a heat dissipation plate of the heat discharge type print head 3 formed of a material such as aluminum
- 12 is a substrate 11 made of ceramic, etc.
- the head substrate of the heated discharge type print head 3 13 a is a plurality of discharge electrodes of the discharge part 13 formed in a comb-teeth shape
- 13 b is a common electrode of the discharge part 13 connecting one end of the discharge electrode 13 a
- 15 is Heat discharge type print head 3 discharge control device with head substrate 12 and driver IC14
- 16 is a printed wiring board disposed on heat sink 10 with connector 17 for electrical connection to the outside
- 18 is driver
- An IC cover 18a is provided to protect the IC 14 and the printed wiring board 16.
- the discharge electrode is connected to the common electrode 13b of the discharge part 13 by electric wiring (not shown) disposed on the back surface of the IC cover 18. This is a high voltage substrate that supplies high voltage to 13a.
- FIG. 4 is a fragmentary plan development view of a head substrate heating discharge conductivity type print head heating discharge type printing unit of the composite image forming apparatus according to the first embodiment
- Line arrow FIG. 5 (b) is a cross-sectional view taken along line B-B in FIG. 4
- FIG. 6 is a heat discharge type of the heat discharge type printing unit of the composite image forming apparatus in the first embodiment. It is a principal part disassembled perspective view of the head substrate of a print head.
- 19 is a common heat generating conductor pattern formed on the upper surface of the substrate 11 connected to a plurality of heat generating comb electrodes 19a, and 19b is arranged on the upper surface of the common heat generating pattern 19
- Common electrode for heat generation 20 is an individual electrode for heat generation formed on the upper surface of the substrate 11 alternately with the comb-shaped electrode for heat generation 19a
- 20a is a bonding pad formed at the end of the individual electrode for heat generation
- 21 is a discharge Heat generating part of the control device 15
- 21a is a heating element of the heat generating part 21 formed by being electrically connected to the upper part of the comb electrode 19a for heating and the individual electrode 20 for heating
- 21b is a common electrode 19b for heating and an individual for heating
- a heat generating portion insulating film 22 covered on the upper surface of the substrate 11 except for the end portion of the electrode 20, 22 is a discharge generating portion of the discharge electrode 13a that generates a discharge when heated by the heat generating element 21a.
- the above-described discharge part 13 is insulated from the heat generating element 21a by the heat generating part insulating film 21b, and a plurality of discharge electrodes 13a are formed to face the heat generating element 21a corresponding to the position of the individual electrodes 20 for heat generation.
- FIG. 7 is a configuration diagram of the discharge control device of the heat discharge type print head of the heat discharge type print unit of the composite image forming apparatus according to the first embodiment.
- the head substrate 12 has a discharge part 13 and a heat generation part 21.
- the heating means 23 controls the heat generation of the heating element 21a of the heat generating portion 21 by the driver IC 14 electrically connected to the heat generating portion 21.
- the heating discharge type discharge control device 15 controls the discharge from the discharge electrode 13a by controlling the heating of the discharge part 13 by the heating means 23 to the discharge electrode 13a.
- the heat radiating plate 10 by disposing the heat radiating plate 10 on the head substrate 12, the heat generated in the heat generating portion 21 can be quickly absorbed by the heat radiating plate 10 and radiated from the heat radiating plate 10. As a result, the heat generating portion 21 can be rapidly cooled to improve the response to the heating stop.
- the driver IC 14 can be protected from heat and has excellent reliability. When irregularities are formed on the surface of the heat sink 10 by grooves, etc., the surface area of the heat sink 10 can be increased, improving the efficiency of heat dissipation. It can be done.
- FIG. 8 is a perspective view showing a heating portion forming process of the head substrate of the heat discharge type print head of the heat discharge type print unit of the composite type image forming apparatus in the first embodiment
- FIG. 9 is a composite view in the first embodiment.
- FIG. 7 is a perspective view showing a discharge part forming step of the head substrate of the heat discharge type print head of the heat discharge type print part of the mold image forming apparatus.
- a plurality of comb electrodes for heating are connected by a common conductor pattern 19 for heat generation after etching a conductor such as gold paste on the surface of a substrate 11 formed in a long plate shape with ceramic or the like.
- 19a and individual electrodes 20 for heat generation are formed.
- a strip shape is printed by printing TaSiO, RuO, etc. on top of the comb electrode 19a for heating and the individual electrode 20 for heating.
- the heating element 21a is formed. Further, the heat generating common electrode 19b is formed on the upper surface of the heat generating common conductor pattern 19 by printing silver paste or the like.
- Bonding pads 20a were formed at the ends of the individual heating electrodes 20. This facilitates connection to the driver IC 14 by wire bonding.
- the heating means 23 is preferably configured in the same manner as a thermal print head used in a conventional thermal facsimile. In this case, the manufacturing process of the existing thermal print head can be followed, and the discharge control device 15 can be manufactured at low cost by diverting the manufacturing device.
- the heating element 21a of the heating part 21 is formed in a strip shape, the heating comb electrodes 19a and the heating individual electrodes 20 are alternately arranged, and one heating individual electrode 20 in each center. Between the heat generating comb electrodes 19a on both sides of the discharge electrodes 13a, and selectively generate heat at any part of the heating element 21a corresponding to the position of the discharge generating part 22 of each discharge electrode 13a.
- the force for heating 13a is not limited to this, and any structure that can selectively heat the discharge generating portion 22 of each discharge electrode 13a may be used.
- the discharge part forming step will be described.
- an insulator such as glass, ceramic, My power, or synthetic resin is printed on the surface of the substrate 11 except for the ends of the heat generating common electrode 19b and the heat generating individual electrode 20.
- the heat generating portion insulating film 21b is formed.
- the heat generating part insulating film 21b may be any material that can protect and insulate the heat generating common electrode 19b, the heat generating individual electrode 20, the heat generating element 21a, etc., but efficiently transfer the heat of the heat generating element 21a to the discharge electrode 13a.
- the optimum film thickness of the heat-generating portion insulating film 21b depends on the material, but when it is made of glass, it is formed to 4 m to 40 ⁇ m. Insulation tends to decrease as the thickness of the heat-generating part insulating film 2 lb becomes thinner than 4 ⁇ m, and as the thickness exceeds 40 m, the applied voltage applied to the discharge part 13 and the heating value of the heating element 21a are reduced. This is because it is necessary to increase the energy consumption and it tends to decrease the energy saving performance. Heat insulation part insulation film 2 lb film thickness of 4 m to 40 m makes it possible to harmonize insulation and thermal conductivity, and both have good discharge stability.
- a plurality of discharge electrodes 13 a facing the heat generating individual electrodes 20 of the heating means 23 and a common electrode 13 b connecting them are formed on the heat generating portion insulating film 21 b.
- a metal such as gold, silver, copper, or aluminum formed by vapor deposition or sputtering printing and then etched to form a pattern is suitably used.
- a conductive material such as carbon may be used.
- the discharge electrode 13a is formed in a substantially rectangular shape, but it can be formed in a trapezoidal shape, a shell shape, a semicircular shape, or a combination thereof. Further, since the discharge generating portion 22 of the discharge electrode 13a has a large amount of discharge from the periphery of the edge, a plurality of uneven portions may be formed on the outer peripheral edge of the discharge electrode 13a so that the peripheral length of the periphery of the edge becomes long. As a result, the amount of discharge from the discharge generator 22 can be increased, the amount of irradiated ions can be increased, and the energy saving and efficiency of the discharge control device 15 are excellent. In addition, since the applied voltage to the discharge electrode 13a can be set small, the life of the discharge electrode 13a is excellent.
- FIG. 10 (a) is a main part plan development view showing a first modification of the head substrate of the heating / discharging type print head of the heating / discharging type printing unit of the composite type image forming apparatus in the first embodiment.
- 0 (b) is a cross-sectional view taken along line CC of FIG. 10 (a).
- the first modification of the head substrate is different from the first embodiment in that the head substrate 12a has a coating film 25 covered on the surface of the discharge part 13, and the coating film 25 Is a point having a substantially circular opening 25a at a position corresponding to the discharge generation portion 22 (near the position of the heating element 21a) of each discharge electrode 13a.
- the covering film 25 was formed of the same insulator as the heat generating portion insulating film 21b described above. Instead of forming a plurality of independent openings 25a, a long hole-like opening extending over the plurality of discharge electrodes 13a may be formed! /.
- the gap between the discharge generating part 22 of the discharge electrode 13a and the recording medium 40 disposed opposite to the surface is formed.
- the gap can be kept constant, the contact between the discharge electrode 21a and the recording medium 40 can be prevented, and the discharge from the discharge generator 22 can be stabilized.
- FIG. 11 is a cross-sectional view showing a second modification of the head substrate of the heat discharge type print head of the heat discharge type print unit of the composite type image forming apparatus in the first embodiment.
- the second modification of the head substrate is different from the first modification in that an uneven portion 25b is formed on the surface of the coating film 25 of the head substrate 12b.
- the surface distance of the coating film 25 can be extended to increase the surface resistance, and leakage from the discharge generating portion 22 of the discharge electrode 13a to the surroundings can be easily prevented.
- Fig. 12 (a) is a main part plan development view showing a third modification of the head substrate of the heating / discharging type print head of the heating / discharging type printing unit of the composite image forming apparatus in the first embodiment.
- Fig. 12 (b) is a sectional view taken along line D-D in Fig. 12 (a).
- the third modification of the head substrate is different from the first embodiment in that the end electrode force on the heating element 21a side of the discharge electrode 13a of the head substrate 12c is spaced apart in the horizontal direction on the heating part insulating film 21b. 26, and an induction electrode insulating film 27 that covers the induction electrode 26 is formed between the heat generating portion insulating film 21b and the discharge portion 13.
- the induction electrode insulating film 27 was formed by screen printing, vapor deposition, sputtering, or the like using glass, ceramic, My strength, resin, or the like as a material.
- the induction electrode 26 was formed in a strip shape on the heat generating portion insulating film 21b and grounded. The discharge is a force generated to be pulled by the induction electrode 26. By grounding the ground electrode portion 40b of the recording medium 40, On is directed to the recording medium 40 in the same manner as when the induction electrode 26 is not provided.
- the induction electrode insulating film 27 may be covered only with the induction electrode 26 and the discharge part 13 may be formed on the heat generating part insulating film 21b, or the discharge part 13 formed on the heat generating part insulating film 21b.
- the induction electrode 26 may be formed on the common electrode 13b through the induction electrode insulating film 27.
- FIG. 13 is a diagram showing an ion irradiation method of the heat discharge type print head of the heat discharge type print unit of the composite type image forming apparatus according to Embodiment 1 of the present invention.
- the number of AC voltage and DC voltage applied to the discharge electrode 13a (common electrode 13b) of the discharge unit 13 is a force that can be considered in various combinations.
- the discharge electrode 13a of the discharge unit 13 is, for example, AC550Vpp ( A voltage of 700V was applied by applying a DC bias to the triangular wave (1kHz).
- the voltage is applied to the discharge electrode 13a from the high voltage substrate 18a (see FIG. 3) connected to the common electrode 13b of the discharge part 13.
- the voltage of AC550Vpp was superimposed to obtain the discharge stability.
- the heating element 21a was heated at a low voltage of 24V, and the driver IC 14 used as a switch for generating heat from the heating element 21a was a 5V drive compatible with low withstand voltage.
- the discharge electrode 13a of the discharge unit 13 is simply applied with a voltage equal to or lower than the discharge control voltage (which means a voltage range in which discharge does not occur but only discharge occurs when heated). Discharge from the discharge generator 22 does not occur.
- the heating part 21 is controlled by the driver IC 14 and is selectively heated by heating the discharge electrode 13a by the heating element 21a (200 to 300 ° C.). Thermoelectrons are emitted from the discharge generating portion 22 of the discharge electrode 13a at an applied voltage in the range of the discharge control voltage, and discharge occurs as shown by the arrows in FIGS.
- the recording medium 40 can form an electrostatic latent image or an image by oxidation-reduction reaction depending on the type. Force to generate positive and negative ions when only AC voltage is applied to discharge electrode 13a To select only negative ions, negative DC voltage is superimposed on AC voltage, and to select only positive ions AC voltage Is superimposed with a positive DC voltage.
- the heat discharge type print head 3 called the end face type shown in FIG. 3 is characterized in that the discharge generation part 22 of the discharge electrode 13a is on the end face part 11a of the substrate 11 on which the driver IC 14 is arranged. It is. Even when the heat-discharge type print head 3 is arranged so that the surface of the discharge electrode 13a is substantially parallel to the recording medium 40, the recording medium 40 and the driver IC 14 or the IC cover 18 do not interfere with each other. Further, the heat-discharge type print heads 3 can be arranged densely and can be suitably used particularly when performing colorization in the composite image forming apparatus 1.
- the heat-discharge type print head 3 and the high-voltage board 18a can be moved together. Can be reduced.
- the substrate 11 is formed in a flat plate shape.
- the substrate 11 is formed in a substantially L shape or a square shape by bending the end surface portion 11a of the substrate 11 to the surface side of the substrate 11 or the like.
- the arrangement of the discharge electrodes 13a may be an edge type in which the discharge electrodes 13a are arranged on the edge of the substrate 11 on which the driver ICs 14 are arranged.
- the discharge electrode 13a is arranged on the edge of the substrate 11 that is chamfered in an inclined manner, so that it is easy to manufacture and excellent in productivity, and the driver IC 14 and the discharge electrode 13a form an obtuse angle, so that the end face is not bulky in the height direction. The same effect as the mold can be obtained.
- recording can be performed on a dedicated recording medium 40 such as a digital paper in which a visible image appears by the action of discharge.
- the discharge means 13a is applied with a heating means 23 to which a discharge control voltage (a voltage range in which discharge does not occur when applied but occurs when heated) is applied.
- a discharge control voltage a voltage range in which discharge does not occur when applied but occurs when heated.
- thermoelectrons are emitted from the heated discharge electrode 13a, and discharge and light emission occur.
- the amount of ions generated can be controlled. Recording can be performed on a dedicated recording medium 40 such as a paper.
- the amount of ions generated and the intensity of light emission associated with the discharge from the heating / discharge type print head 3 can be controlled by the heating control, so the area gradation on the recording medium 40 becomes easy and the heating / discharge type printing unit 2 Image quality can be improved.
- the heating means 23 includes the heat generating part 21 having the heat generating element 21a and the driver IC 14 for controlling the heat generation of the heat generating element 21a, the heat generated by the heat generating element 21a is controlled by a low voltage.
- the discharge electrode 13a corresponding to the heating element 21a can be heated.
- the heating means 23 and the discharge part 13 can be handled as one body, handling and assembly workability. Excellent.
- the heat generating part 21 can be brought into close contact with the discharge electrode 13a, and the heat generated by the heat generating element 21a can be efficiently transferred to the discharge electrode 13a. And is highly efficient.
- the visible image type printing unit 4 is an ink jet type printing unit
- monochrome and color printing can be performed corresponding to various printing media such as glossy paper and OHP sheet in addition to plain paper.
- the visible image type printing unit 4 is a thermal head type printing unit, printing can be performed corresponding to heat-sensitive plain paper or ink film.
- Visible image type printing unit 4 is an electrophotographic printing unit. It can be carried out.
- the heat sink 10 By disposing the heat sink 10 on the head substrate 12 (12a, 12b, 12c), the heat generated in the heat generating part 21 can be quickly absorbed by the heat sink 10 and can be dissipated from the heat sink 10. Therefore, the heat generating portion 21 can be rapidly cooled to improve the response to heating stop, and the driver IC 14 and the like can be protected from heat and excellent in reliability.
- the driver IC 14 and the discharge electrode 13a are disposed substantially orthogonally, so that the recording medium 40 is disposed on the substrate. 11 It is possible to increase the degree of freedom in the arrangement of the heating and discharging type print head 3 that does not interfere with the driver IC 14 or the like protruding above, and to improve versatility.
- the driver IC 14 and the discharge electrode 13a are end face type heat discharge type print heads 3 arranged substantially orthogonal to each other, the recording medium 40, which is better not to be bent like a digital paper, is straightened. Can be used in a horizontal printer.
- the discharge electrode 13a Since the discharge electrode 13a is arranged on the end face 1 la of the substrate 11, the width of the portion facing the recording medium 40 is narrow and can be arranged without being bulky in the horizontal direction. Excellent.
- the electrical wiring for applying the discharge control voltage can be shortened, and the reliability can be improved.
- the heating / discharging print head 3 and the high-voltage substrate 18a can be moved together, so that the electrical wiring is less likely to be loaded. The occurrence of defects can be reduced.
- the high-pressure board 18a can be handled integrally with the heat-discharge type print head 3, and it is not necessary to handle the electrical wiring, so it can be easily incorporated into the composite image forming apparatus 1 and has excellent mass productivity. (20) Since the restorer 5 that uniformly charges the medium substrate surface 40a of the recording medium 40 is provided, the recording medium 40 in which a visible image appears due to the action of electric charges due to discharge can be initialized, and unnecessary recording is performed. Can be repeatedly rewritten to the recording medium 40.
- FIG. 14 is a configuration diagram of the composite image forming apparatus according to the second embodiment.
- the composite image forming apparatus la according to the second embodiment of the present invention is different from the first embodiment in that an image reading unit 35 is provided.
- the printing paper is properly used depending on the length of the storage period of the document to be printed, and the short-term storage document is stored in the heat-discharge type printing unit 2 for a dedicated recording medium such as a digital paper.
- a dedicated recording medium such as a digital paper.
- It is basically printed on 40, and long-term documents are basically printed on plain paper 41 with the visible image-type printed part 4.
- the document printed on the recording medium 40 is read by the image reading unit 35, the read data is sent to the visible image type printing unit 4 and printed on the plain paper 41 by the visible image type printing unit 4.
- Can do That is, the document is copied by the image reading unit 35, and the document is transferred from the dedicated recording medium 40 to the ordinary paper 41.
- copying from the recording medium 40 to the recording medium 40 or from plain paper 41 to plain paper 41 is also possible.
- the image reading unit 35 Even if the document read in 35 is being printed by either the heat-discharge type printing unit 2 or the visible image type printing unit 4, the document or image to be printed by the other printing unit Parallel processing can be performed at the same time, reducing waiting time and improving processing capacity.
- the composite image forming apparatus Since the composite image forming apparatus according to the second embodiment is configured as described above, it has the following operation in addition to the first embodiment.
- the image reading unit 35 can read the printed contents. Therefore, the read data can be reprinted by the visible image type printing unit 4, the printed content can be easily transferred to the plain paper 41 and stored, and the dedicated recording medium 40 such as digital paper can be re-used. Can be used.
- test printing is performed on a dedicated recording medium 40 that is rewritable by the heat-discharge type printer 2 and it is possible to confirm it. Since the image-type printing unit 4 can print on plain paper 41, printing errors can be prevented and resource saving is excellent.
- Documents and images read by the image reading unit 35 can be printed on a dedicated recording medium 40 that can be rewritten by the heat-discharge type printing unit 2, and they can be posted and circulated. Therefore, it is not necessary to use plain paper 41 for short-term storage of documents, etc., and it is excellent in resource saving.
- FIG. 15 is a configuration diagram of the composite image forming apparatus according to the third embodiment.
- the composite image forming apparatus lb according to the third embodiment of the present invention is different from the second embodiment in that it includes a facsimile unit 36 that is connected to an outside line and transmits / receives facsimile information.
- the facsimile data received by the facsimile unit 36 is sent to the heating / discharge type printing unit 2 and the heating / discharging type print head 3 is used to record on a dedicated recording medium 40 such as digital vapor. Can be printed.
- a dedicated recording medium 40 such as digital vapor. Can be printed.
- the facsimile document printed on the dedicated recording medium 40 can be printed on plain paper 41 by the visible image type printing unit 4 if it is determined that the document needs to be stored for a long period of time. If it is determined that there is no need, the recording medium 40 on which the document has been printed is If it is placed in the paper feed section for simil paper, it can be reused as rewritable facsimile paper.
- the composite image forming apparatus of the third embodiment Since the composite image forming apparatus of the third embodiment is configured as described above, it has the following operation in addition to the first or second embodiment.
- Facsimile information received by the facsimile unit 36 can be confirmed by printing on a dedicated recording medium 40 such as a digital paper by the heating / discharging type printing unit 2, and the length depends on the printed contents. If it is necessary to store for a certain period of time, the document on the recording medium 40 can be read by the image reading unit 35 and reprinted on the plain paper 41 by the visible image type printing unit 4, so that the rewritable recording medium 40 It is possible to make effective use of these advantages by reducing the printing cost and paper resources in the facsimile section 36.
- a dedicated recording medium 40 such as a digital paper by the heating / discharging type printing unit 2
- the length depends on the printed contents. If it is necessary to store for a certain period of time, the document on the recording medium 40 can be read by the image reading unit 35 and reprinted on the plain paper 41 by the visible image type printing unit 4, so that the rewritable recording medium 40 It is possible to make effective use of these advantages by reducing the printing cost and paper
- the present invention is compatible with both a dedicated recording medium such as a digital paper and a plain paper in which a visible image appears by the action of electric discharge, and is excellent in practicality, versatility, and space saving. This makes it possible to provide a composite image forming apparatus that saves energy and is excellent in resource saving, and can contribute to the protection of forests by spreading the use of dedicated recording media such as digital paper.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electronic Switches (AREA)
- Printers Characterized By Their Purpose (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Facsimile Heads (AREA)
Abstract
Description
Claims
Priority Applications (1)
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JP2006528481A JP4047906B2 (ja) | 2004-07-29 | 2005-06-15 | 複合型画像形成装置 |
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JP2004221296 | 2004-07-29 | ||
JP2004-221296 | 2004-07-29 |
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WO2006011311A1 true WO2006011311A1 (ja) | 2006-02-02 |
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PCT/JP2005/010982 WO2006011311A1 (ja) | 2004-07-29 | 2005-06-15 | 複合型画像形成装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008149498A (ja) * | 2006-12-14 | 2008-07-03 | Fukuoka Technoken Kogyo:Kk | 画像形成方法 |
JP2008307788A (ja) * | 2007-06-14 | 2008-12-25 | Fukuoka Technoken Kogyo:Kk | イオン発生制御方法と加熱放電型印字ヘッド及びそれを備えた画像形成装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09254452A (ja) * | 1996-03-19 | 1997-09-30 | Konica Corp | 画像文字情報処理システム |
JP2003326756A (ja) * | 2002-05-13 | 2003-11-19 | Fukuoka Technoken Kogyo:Kk | イオン発生装置 |
JP2004120356A (ja) * | 2002-09-26 | 2004-04-15 | Sharp Corp | 画像処理装置 |
-
2005
- 2005-06-15 JP JP2006528481A patent/JP4047906B2/ja not_active Expired - Fee Related
- 2005-06-15 WO PCT/JP2005/010982 patent/WO2006011311A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09254452A (ja) * | 1996-03-19 | 1997-09-30 | Konica Corp | 画像文字情報処理システム |
JP2003326756A (ja) * | 2002-05-13 | 2003-11-19 | Fukuoka Technoken Kogyo:Kk | イオン発生装置 |
JP2004120356A (ja) * | 2002-09-26 | 2004-04-15 | Sharp Corp | 画像処理装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008149498A (ja) * | 2006-12-14 | 2008-07-03 | Fukuoka Technoken Kogyo:Kk | 画像形成方法 |
JP2008307788A (ja) * | 2007-06-14 | 2008-12-25 | Fukuoka Technoken Kogyo:Kk | イオン発生制御方法と加熱放電型印字ヘッド及びそれを備えた画像形成装置 |
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JPWO2006011311A1 (ja) | 2008-05-01 |
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