CN101323213B - Liquid ejection apparatus and method - Google Patents
Liquid ejection apparatus and method Download PDFInfo
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- CN101323213B CN101323213B CN2008101114146A CN200810111414A CN101323213B CN 101323213 B CN101323213 B CN 101323213B CN 2008101114146 A CN2008101114146 A CN 2008101114146A CN 200810111414 A CN200810111414 A CN 200810111414A CN 101323213 B CN101323213 B CN 101323213B
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Abstract
A liquid ejection apparatus including a recording head capable of ejecting liquid, a first liquid storage unit which stores liquid to be ejected from the recording head, a second liquid storage unit which stores liquid to be ejected from the recording head, the liquid stored in the second liquid storage unit being the same kind of liquid as the liquid stored in the first liquid storage unit, and a selection-and-supply unit which selects at least one liquid from the liquid stored in the first liquid storage unit and the liquid stored in the second liquid storage unit and supplies the selected the liquid to the recording head.
Description
Technical field
The present invention relates to fluid blowout unit and fluid jet method.
Background technology
For the ink-jet printer as a kind of fluid blowout unit, people have proposed to switch the next device of supplying with to shower nozzle of multiple China ink (for example with reference to patent documentation 1.)。
Patent documentation 1 TOHKEMY 2006-175626 communique
In this kind printer, the China ink that is stored in the print cartridge is used for various uses.For example, to the printing on the paper, also be used for the maintenance of nozzle except being used for.Here, in above-mentioned printer, between different types of China ink, switch.Thus, the China ink in being stored in certain print cartridge is less than under the situation of ormal weight, just needs to install the print cartridge of new same color.In addition, because the factor of usage, the China ink that also has in maintenance to be consumed accounts for the ratio that is stored in the China ink in the print cartridge and raises, and has to carry out the situation of the too early replacing of print cartridge.
Summary of the invention
The present invention be exactly Given this situation of planting finish, its purpose is, improves ease of use.
The main invention that is used to reach above-mentioned purpose provides a kind of fluid blowout unit, and it has:
The shower nozzle of ejecting fluid;
The first fluid reservoir is located on the apparatus main body replaceably, stores from the fluid of above-mentioned shower nozzle ejection;
The second fluid storage portion is arranged at the said apparatus main body integratedly, stores from the fluid of above-mentioned shower nozzle ejection, and is to store and the fluid that is stored in the fluid identical type in the above-mentioned first fluid reservoir;
Select supply unit, at least one side who selects to be stored in the above-mentioned fluid in the above-mentioned first fluid reservoir and be stored in the above-mentioned fluid in the above-mentioned second fluid storage portion, and to above-mentioned shower nozzle supply.
Other features of the present invention are illustrated by the record of this specification and accompanying drawing.
Description of drawings
Figure 1A is the block diagram of the formation of explanation printer.Figure 1B is the concept map of the regional area of the memory that had of explanation printer side controller.
Fig. 2 is the figure of explanation paper delivering mechanism.
Fig. 3 is the figure of explanation paper sheet delivery portion etc.
Fig. 4 is the stereogram of explanation nozzle component and periphery thereof.
Fig. 5 is the figure of the installment state of explanation shower nozzle.
Fig. 6 is the figure of the black feed mechanism of explanation.
Fig. 7 is the block diagram of explanation stream selection portion.
Fig. 8 is the figure of the action of explanation printer.
Fig. 9 A is the figure that the open state of the second valve group schematically is described.Fig. 9 B is the figure that the open state of the first valve group schematically is described.
Figure 10 is the figure of other embodiments of explanation.
Figure 11 is the figure of another other embodiments of explanation.
Wherein, 30-nozzle component, 32-shower nozzle, the 35-nozzle rows, 40-China ink feed mechanism, 41-print cartridge, 412-China ink bag, 42-print cartridge force (forcing) pump, the built-in China ink jar of 43-, 432-China ink bag, 44-jar force (forcing) pump, 45-stream selection portion, the 45A-first valve group, the 45B-second valve group, the 46-first China ink pipe, the 47-second China ink pipe, 48-common ink pipe, 70-printer side controller
The specific embodiment
Utilize the record of this specification and the record of accompanying drawing, at least can clear and definite following content.
That is, the fluid blowout unit that can clearly can be achieved as follows, it has: the shower nozzle of ejecting fluid; Storage is from the first fluid reservoir of the fluid of above-mentioned shower nozzle ejection; The second fluid storage portion stores from the fluid of above-mentioned shower nozzle ejection, and is to store and the fluid that is stored in the fluid identical type in the above-mentioned first fluid reservoir; Select supply unit, at least one side who selects to be stored in the above-mentioned fluid in the above-mentioned first fluid reservoir and be stored in the above-mentioned fluid in the above-mentioned second fluid storage portion, and to above-mentioned shower nozzle supply.
According to this kind fluid blowout unit,, therefore can improve ease of use because the fluid of selecting supply unit to select to be stored in the first fluid reservoir to supply with to shower nozzle with the fluid that is stored in the second fluid storage portion.
In this fluid blowout unit, best above-mentioned first fluid reservoir is located on the apparatus main body replaceably, and above-mentioned second fluid storage portion and said apparatus main body are provided with integratedly.
According to this kind fluid blowout unit,, therefore can utilize more bringing of first fluid reservoir to use fluid blowout unit for a long time because the first fluid reservoir is located on the apparatus main body replaceably.In addition, even the first fluid reservoir is taken off from apparatus main body, also can the fluid of identical type be supplied with to shower nozzle from the second fluid storage portion.In addition, for the second fluid storage portion, can guarantee enough capacity at an easy rate.
In this fluid blowout unit, best above-mentioned selection supply unit has: first valve, be located at first stream that flows through from the fluid of above-mentioned first fluid reservoir, and allow or cut off flowing of above-mentioned fluid; Second valve is located at second stream that flows through from the fluid of the above-mentioned second fluid storage portion, allows or cuts off flowing of above-mentioned fluid; And controller, control the action of above-mentioned first valve and above-mentioned second valve.
According to this kind fluid blowout unit,, therefore can change the feed path of fluid at an easy rate owing to utilize controller to control the action of first valve and second valve.
In this fluid blowout unit, best above-mentioned controller and the service action interlock that is used for above-mentioned shower nozzle is set at normal condition, make above-mentioned second valve open and make above-mentioned first valve to cut off, make the fluid that is stored in the above-mentioned second fluid storage portion be in to above-mentioned shower nozzle side condition of supplying.In addition, above-mentioned controller preferably and from above-mentioned shower nozzle is upwards given an account of the action interlock that matter sprays above-mentioned fluid, make above-mentioned first valve open and make above-mentioned second valve to cut off, make the fluid that is stored in the above-mentioned first fluid reservoir be in to above-mentioned shower nozzle side condition of supplying.
According to this kind fluid blowout unit, owing to can select supply source by every kind of purposes of fluid, therefore management will become easy.
In this fluid blowout unit, best above-mentioned controller upwards give an account of the action that matter sprays above-mentioned fluid from above-mentioned shower nozzle during, in detecting the fluid deficiency that is stored in the above-mentioned first fluid reservoir, make above-mentioned second valve open and make above-mentioned first valve to cut off, make the fluid that is stored in the above-mentioned second fluid storage portion be in to above-mentioned shower nozzle side condition of supplying.
According to this kind fluid blowout unit, can not end upwards to give an account of the executory action that matter sprays above-mentioned fluid, and it is proceeded at last from above-mentioned shower nozzle.
In this fluid blowout unit, preferably have: second stream that makes first stream that flows to above-mentioned shower nozzle from the fluid of above-mentioned first fluid reservoir, the fluid from the above-mentioned second fluid storage portion is flowed to above-mentioned shower nozzle, above-mentioned selection supply unit has: valve, be located at above-mentioned second stream, allow or cut off flowing of above-mentioned fluid; And controller, control the action of above-mentioned valve, during the service action that is used for above-mentioned shower nozzle is set at normal condition, make above-mentioned valve open.
According to this kind fluid blowout unit, when safeguarding, can suppress to be stored in the consumption of the fluid in the first fluid reservoir.Therefore can reduce the replacing frequency of first fluid reservoir.
In this fluid blowout unit, preferably make the flow path resistance of the flow path resistance of above-mentioned second stream less than above-mentioned first stream.
According to this kind fluid blowout unit, when safeguarding, can improve the usage rate that is stored in the fluid in the second fluid storage portion.Can suppress to be stored in the consumption of consumed fluid in the first fluid reservoir like this.
In addition, the fluid jet method that can also clearly can be achieved as follows.
Promptly, the fluid jet method that can clearly can be achieved as follows, it has: for be stored in the fluid in the first fluid reservoir of being located at replaceably on the apparatus main body and be stored in be set in the second fluid storage portion of one with the said apparatus main body and with the fluid that is stored in the fluid identical type in the above-mentioned first fluid reservoir, the fluid that selection will be supplied with to shower nozzle; According to the selection result of the above-mentioned fluid that will supply with to shower nozzle, set the feed path of the fluid between above-mentioned first fluid reservoir and above-mentioned second fluid storage portion and the above-mentioned shower nozzle; By the feed path that sets, the fluid that will become object is supplied with to above-mentioned shower nozzle.
First embodiment
The summary of＜printer 1 〉
Figure 1A is the block diagram of the formation of explanation printer 1.Figure 1B is the concept map of the regional area of the memory 73 that has of explanation printer side controller 70.Illustrated printer 1 is equivalent to fluid blowout unit, and (so-called China ink is to comprise the two notion of aqueous ink and oiliness China ink as a kind of China ink of fluid in ejection on media such as paper, cloth, film.In the present embodiment aqueous ink).In this printer 1, ejection is by black, cyan, magenta and the yellow 4 look China inks that constitute.Medium is the object that becomes the object that is ejected fluid, for example is that paper S is (with reference to Fig. 2.)。
Printer 1 has paper delivering mechanism 10, drive signal generation circuit 20, nozzle component 30, black feed mechanism 40, black recovering mechanism 50, detector set 60 and printer side controller 70.
Paper delivering mechanism 10 is equivalent to the medium transport portion of pumped (conveying) medium, will carry to the throughput direction of regulation as the paper S of medium.Paper delivering mechanism 10 has paper supply unit 11 and paper sheet delivery portion 12 for example as shown in Figure 2.Paper supply unit 11 is with the part of stored paper S to 12 supplies of paper sheet delivery portion, has paper storage portion 111, rubs with the hands and get roller 112, intake roller 113, door roller 114, supply motor (not shown).Paper sheet delivery portion 12 is located at the position relative with nozzle component 30 as shown in Figure 4.In this printer 1, be located at the below of nozzle component 30.This paper sheet delivery portion 12 has driven roller 121, upstream side driven voller 122, downstream driven voller 123, upstream side conveyer belt 124, downstream conveyer belt 125 and carries motor (not shown) as shown in Figure 3.For paper sheet delivery portion 12, in case driven roller 121 rotations, then upstream side conveyer belt 124 and downstream conveyer belt 125 promptly rotate.In addition, when the paper S that supplies with from paper sheet delivery portion 11 touches upstream side conveyer belt 124, this paper S with regard to because of and upstream side conveyer belt 124 between frictional force by to the conveying of the downstream of throughput direction.In addition, on the position of driven roller 121, paper S also contacts with downstream conveyer belt 125.So, on the position of driven roller 121, paper S also can because of and downstream conveyer belt 125 between frictional force carried to the downstream of throughput direction.
Drive signal generation circuit 20 plays a role as driving the signal generating unit, is created on driving signal used when spraying China ink.This driving signal is provided for the shower nozzle 32 that nozzle component 30 is had.After this, drive signal be applied in the driving element that had to shower nozzle 32 (heater element or piezoelectric element, not shown.)。
A plurality of shower nozzles 32 ink supply that 40 pairs of nozzle components 30 of China ink feed mechanism are had.Shown in Figure 1A, black feed mechanism 40 has 2 kinds of black reservoir (print cartridge 41, built-in China ink jar 43) and stream selection portion 45 etc.In these print cartridges 41 and built-in China ink jar 43, store the China ink that has as the identical type of the China ink of ejection from shower nozzle 32.As previously mentioned, in this printer 1, use the China ink of 4 looks to print.Thus, in print cartridge 41 and built-in China ink jar 43, store the China ink that 4 looks are arranged respectively.In addition, for black feed mechanism 40 also explanation in the back.
The China ink that China ink recovering mechanism 50 will be discharged from a plurality of shower nozzles 32 reclaims.This China ink recovering mechanism 50 has cap assembly 51, suction pump 52 etc.For this China ink recovering mechanism 50 also explanation in the back.
Detector set 60 has a plurality of detectors of the situation of monitor printer 1.In a plurality of detectors, comprise the surplus that is stored in the China ink in the built-in China ink jars 43 is less than residue of ink amount detector 61 that the situation of ormal weight detects (with reference to Fig. 4.)。The China ink of this residue of ink amount detector 61 in being stored in built-in China ink jars 43 reaches the black residual signal of output under the situation below the ormal weight.In addition, the testing result of each detector is exported to printer side controller 70.
Shown in Figure 1B, in this printer 1, the regional area of memory 73 is used as the program storage area that stores computer program and uses.In addition, other regional area is reserved as ejection counting region and the use of ejection scale that the ejection number of times of China ink is counted.This ejection counting region is provided with by every kind of black color (every kind of fluid), can by every kind of black color the ejection number of times of China ink counted under the state of shower nozzle 32 supplies from the China ink of print cartridge 41.
The ejection scale stores the ejection number of times of expression China ink and the spray volume information of the relation of the spray volume of China ink.Can use various information as spray volume information.For example, can use the information of the China ink amount that in 1 China ink ejection action, is sprayed.In addition, also can be 1000 black information that spray the China ink amount that is sprayed in the action.In a word, so long as the information of the ejection number of times of expression China ink and the relation of the spray volume of China ink get final product.
Printer side controller 70 (CPU72) can and be stored in the spray volume information that sprays in the scale based on the information that is stored in the count value in the ejection counting region, discerns the consumption of China ink by every kind of black color.In addition, the initial storage capacity of print cartridge 41 is known.Therefore, printer side controller 70 can be stored in the China ink amount (remaining Fluid Volume) in the print cartridge 41 based on the consumption identification of China ink.
The major part of printer 1
＜nozzle component 30 〉
As shown in Figure 4, nozzle component 30 has framework 33, and as shown in Figure 5, a plurality of shower nozzles 32 are installed on the installation base plate 34.In addition, on framework 33, the installation base plate 34 of the state that a plurality of shower nozzles 32 have been installed is installed.Each shower nozzle 32 that nozzle component 30 is had has a plurality of nozzles.This nozzle is the part of ejection China ink.A plurality of nozzles divide into groups by the every kind of China ink that is sprayed, and constitute the nozzle rows 35 that is provided with prescribed distance along prescribed direction.In addition, among Fig. 5, record nozzle rows 35.This nozzle rows 35 for example is provided with by every kind of color.Under the state that installation base plate 34 is installed on the framework 33, a plurality of nozzles that belong to certain nozzle rows 35 are set on the width (paper width direction) of paper S.And it is crisscross that the width of paper S is equivalent to that throughput direction with paper S intersects.In this printer 1, be set at direction with the throughput direction quadrature.
Because therefore the China ink of ejection 4 looks in 1 shower nozzle 32, is provided with 4 nozzle rows 35 in this printer 1.In addition, a plurality of nozzle rows 35 of being had of 1 shower nozzle 32 are drawn back the compartment of terrain and are provided with along throughput direction.In addition, each shower nozzle 32 disposes with the mode staggered positions that the whole width top nozzle at paper S equally spaced disposes.Therefore, can utilize 1 time the conveying of paper S, print image on the desired position of this paper S.In this printer 1, can be described as and use a plurality of shower nozzles 32 to make the line shower nozzle.
＜black feed mechanism 40 〉
Shown in Figure 1A, black feed mechanism 40 has print cartridge 41, print cartridge force (forcing) pump 42, built-in China ink jar 43, jar force (forcing) pump 44, stream selection portion 45.
On each print cartridge 41, be communicated with an end of the first China ink pipe 46.46 and 4 print cartridge 41bk of the first China ink pipe～41y is provided with respectively accordingly.That is, be provided with by every kind of black color (every kind of fluid).The black stream of being located at the inside of this first China ink pipe 46 is equivalent to flow through first stream of the fluid that is stored in the first fluid reservoir.And the other end of the first China ink pipe 46 is connected with an end of common ink pipe 48.In addition, the other end of common ink pipe 48 is connected with nozzle component 30.Will be explained below for this common ink pipe 48.
Print cartridge is the pumps that are used for the pressurization of the China ink in the print cartridge 41 with force (forcing) pump 42.In this printer 1, supply with to nozzle component 30 via the China ink that the first China ink pipe 46, common ink pipe 48 will be stored in the print cartridge 41.During like this via the first China ink pipe 46,48 ink supply of common ink pipe, by giving enough pressure differentials, can be to nozzle component 30 ink supply reliably.Print cartridge is with the supply pressure of force (forcing) pump 42 in order to ensure China ink, with pressurizeing in the shell 411 of air to print cartridge 41.And print cartridge is to move by the pressurization signal from printer side controller 70 with force (forcing) pump 42.
Built-in China ink jar 43 is the black reservoir of storing China ink, is provided with integratedly with main part.In addition, built-in China ink jars 43 is also the same with print cartridge 41, has shell 431, is contained in the China ink bag 432 in the shell 431, by pressurization in the shell 431 is pressurizeed to China ink bag 432.In addition, China ink bag 432 is prepared by every kind of black color also as shown in Figure 6.That is, can use the magenta ink bag 432m of the black ink bag 432bk that stores black ink, the cyan ink bag 432c that stores cyan ink, store red ink, the yellow ink bag 432y of storage yellow ink.
In built-in China ink jar 43, storing has and the China ink (China ink that can replace) that is stored in the black identical type in the print cartridge 41.In addition, the China ink bag 432 of built-in China ink jar 43 is installed in factory.Therefore, can't change by the user, yet, because the clearance spaces that can use printer 1 to be had disposes, therefore can guarantee enough capacity at an easy rate.
The built-in China ink of this kind jars 43 is equivalent to the second following fluid storage portion, that is, it is provided with integratedly with apparatus main body, store as the fluid of ejection from shower nozzle 32 with the fluid that is stored in the fluid identical type in the first fluid reservoir.
As shown in Figure 6, on built-in China ink jar 43 each China ink bag 432bk～432y that is had, be communicated with an end of the second China ink pipe 47.The black stream of being located at the inside of this second China ink pipe 47 is equivalent to flow through second stream that is stored in the fluid in the second fluid storage portion.In addition, the other end of the second China ink pipe 47 also other end with the first China ink pipe 46 is the same, is connected on the end of common ink pipe 48.So the black stream that common ink pipe 48 is had not only plays a role as first stream, but also play a role as second stream.In other words, be to play a role as public stream.
Jar is to be used for the built-in China ink jar pump that 43 interior China inks pressurize with force (forcing) pump 44.To the reason of China ink pressurization,, therefore omit with identical to the reason of the pressurization of the China ink in the print cartridge 41.In addition, jar with force (forcing) pump 44 in order to ensure the supply pressure of China ink with the inner space pressurization of air to built-in China ink jars 43.This built-in China ink jar 43 also is to be used to move from the pressurization signal of printing pusher side controller 70.
As shown in Figure 7, stream selection portion 45 has a plurality of valves 451 midway of being located at each China ink pipe 46,47.These valves 451 are the members that flow that cut off or allow China ink.In this printer 1,, be provided with 4 valves 451 by every kind of black color in print cartridge 41 sides.Similarly, in built-in China ink jar 43 sides, also be to be provided with valve 451 midway at each second China ink pipe 47.In the following description, 4 valves 451 midway that will be located at the first China ink pipe, 46 (first streams) are also referred to as the first valve group 45A, and 4 valves 451 midway that will be located at the second China ink pipe, 47 (second streams) are also referred to as the second valve group 45B.
Like this, by controlling the state of the first valve group 45A and the second valve group 45B, can select the China ink of supplying with to nozzle component 30.For example, be open state when making the first black corresponding valve group 45A with certain color, when making the second valve group 45B be dissengaged positions, the China ink that is stored in the print cartridge 41 can be supplied with to nozzle component 30 sides.On the other hand, be dissengaged positions when making the first valve group 45A, when making the second valve group 45B be open state, the China ink that is stored in the built-in China ink jar 43 can be supplied with to nozzle component 30 sides.In addition, when making the first valve group 45A and the second valve group 45B all be open state, can give nozzle component 30 sides with the two supply of China ink that is stored in the China ink in the print cartridge 41 and be stored in the built-in China ink jar 43.In addition, when making the first valve group 45A and the second valve group 45B all be dissengaged positions, can not make the China ink that is stored in the print cartridge 41 and be stored in any one of China ink in the built-in China ink jars 43 and supply with to nozzle component 30 sides.
For these the first valves group 45A and the second valve group 45B, can be from its action of external control.In this printer 1, each valve 451 is shown in Figure 1A, by moving from the selection signal controlling of printing pusher side controller 70.That is, between open state and dissengaged positions, switch.So printer side controller 70 is equivalent to control the controller of the action of the first valve group 45A and the second valve group 45B.
In addition, the printer side controller 70 that forms the control of the stream selection portion 45 (the first valve group 45A, the second valve group 45B) of the stream of China ink, the force (forcing) pump (print cartridge is with force (forcing) pump 42, jar with force (forcing) pump 44) of giving the pressure differential that is used for ink supply, the control that is used to set black stream and force (forcing) pump is equivalent to select supply unit, its selection is stored in the China ink in the print cartridge 41 (first fluid reservoir) and is stored at least one side of the China ink in built-in black jar 43 (the second fluid storage portions), and supplies with to nozzle component 30.
And as previously mentioned, print cartridge 41 is located on the main part replaceably, and built-in China ink jar 43 is provided with integratedly with main part, just is set to and can't be changed by the user.Therefore, the capacity of built-in China ink jars 43 be greater than the capacity of print cartridge 41 (in addition, among Fig. 4, Fig. 6 etc., in order to understand figure easily, convenient for the purpose of, the capacity that built-in China ink jars 43 and print cartridge 41 is expressed as they is a same degree).Specifically, the capacity of print cartridge 41 is about 15ml, and the capacity of built-in China ink jar 43 is about 250ml.
In addition, though details will be narrated in the back, be mainly used in service action (suction cleaning and flushing) at nozzle yet be stored in China ink in the built-in China ink jars 43.Therefore, the capacity (250ml) of built-in China ink jars 43 be the corresponding amount (by the black consumption of the anticipation due to the service action till the life-span of printer 1) of anticipation number of times with service action till the life-span of printer 1.
In addition, because the capacity of built-in China ink jars 43 is based on the anticipation amount, before therefore also might ending in the life-span of printer 1, built-in China ink jars 43 just reaches China ink and exhausts (ink end).In addition, reach in China ink exhausts at built-in China ink jars 43, this China ink exhausts by above-mentioned residue of ink quantity sensor 61 and detects, and the printer side controller 70 that receives detection signal passes to the user with error messages.This message for example is to transmit to the user by the printer driver that is installed among the computer CP.In addition, also can transmit to the user by the display unit (not shown) of printer 1.In addition, because at this moment,, can't carry out replacing, therefore will carry out the replacing of built-in China ink jar 43 or in built-in China ink jar 43, replenish China ink by maintenance service by producer by user's execution for built-in black jar 43.
＜black recovering mechanism 50 〉
Shown in Figure 1A, black recovering mechanism 50 has cap assembly 51, suction pump 52, black recoverer 53.
China ink recoverer 53 is the parts that reclaim the China ink that each cap 511 received, have fluid for example absorber, accommodate the shell (all not shown) of this absorber.In addition, connect by pipe between each cap 511.
In addition, black recoverer 53 is identical with above-mentioned built-in China ink jar 43, is set to one with main part, that is to say to be set to and can't to be changed by the user.In addition, in black recoverer 53, the China ink that uses in order to carry out the service action (suction cleaning, flushing) at nozzle will be reclaimed, therefore the capacity of the capacity of black recoverer 53 and built-in China ink jars 43 is the same, for the corresponding amount (by the black consumption of the anticipation due to the service action till the life-span of printer 1) of anticipation number of times of service action till the life-span of printer 1.But, because black recoverer 53 is not provided with (because China ink of all kinds is reclaimed by public black recoverer 53) by every kind of color, therefore the capacity of black recoverer 53 is the number of color times (being 4 times in the present embodiment) of the capacity of built-in China ink jar 43, that is to say to reach about 1000ml.
Like this, capacity that we can say black recoverer 53 is set to and reaches China ink at built-in China ink jars 43 and will fill in exhausting.Thus, reach China ink at built-in China ink jar 43 and exhaust, carry out the replacing of built-in China ink jar 43 or in built-in black jar 43, in the additional China ink, also carry out the replacing of black recoverer 53 by maintenance service by producer.
In addition, if the China ink evaporation is counted, then also can further reduce the capacity of black recoverer 53.Because half evaporation of China ink, therefore for example also the capacity of black recoverer 53 can be set at half number of color doubly (in the present embodiment being 4 times) of the capacity of built-in China ink jars 43, just be set at about 500ml.When relatively the capacity of black recoverer 53 being set at the situation of about 1000ml and being set at the situation of about 500ml, no matter how black evaporation degree can utilize black recoverer 53 to reclaim reliably for the former, this point has superiority, and the latter has superiority can saving to be provided with on this point of space.
The action of printer 1
＜summary 〉
In this printer 1, the China ink of identical type is stored in respectively in print cartridge 41 and the built-in China ink jars 43.In addition, (selection supply units) such as printer side controller 70 and stream selection portions 45 according to defined terms, selects to be stored in the China ink in the print cartridge 41 or is stored in China ink in the built-in China ink jars 43, and supply with to nozzle component 30.
For example, printer side controller 70 etc., the China ink that will be stored in the print cartridge 41 when printing is supplied with to nozzle component 30 sides.In addition, in the service action (flushing, suction cleaning) of printer 1, the China ink of built-in China ink jar 43 is supplied with to nozzle component 30 sides.In addition, when printing, also be that China ink amount at print cartridge 41 reaches under the situation below the ormal weight that needs to change, the China ink of built-in China ink jars 43 is supplied with to nozzle component 30 sides.To be that the center describes below with these aspects.
＜action 〉
Fig. 8 is the figure of an example of the action of expression printer 1.This action is that the CPU72 by printer side controller 70 controls each one and carries out according to being stored in computer program in the memory 73.Thus, computer program has the code that is used to carry out these processing.
In illustrated action, when with the power connection of printer 1 (t1), carry out initialization action (t2-t3).In this initialization action, print the initial setting of machine 1 etc.For example, carry out the reading in of program, to the examination of each energising.After the initialization action, aspirate cleaning action (t3-t4).Suction cleaning is the action with the black sucking-off in the shower nozzle 32, is a kind of at the service action of nozzle.In this suction cleaning action, printer side controller 70 makes the nozzle face butt of each cap 511 and shower nozzle 32, makes suction pump 52 actions.After the suction cleaning, wash (t4-t5).Flushing is the action of ejection China ink from nozzle, is a kind of at the service action of nozzle.In this flushing, the driving element that 70 pairs of shower nozzles 32 of printer side controller are had applies the driving signal of flushing usefulness.Like this, driving element will be used to spray the action of China ink, ejection China ink from each nozzle.
Flushing finishes, and the printing of paper S is prepared also just to finish.Therefore, 70 waits of printer side controller are from the print command of computer CP.After this, when receiving print command (t6, t11), print action (t6-t7, t8-t10, t11-).
The selection of＜China ink 〉
In the above action, to the China ink that nozzle component 30 sides are supplied be with printer 1 in the action carried out select accordingly.Below, the selection of China ink is described.Because suction cleaning and flushing are the service action at nozzle, therefore, the China ink that is consumed can not be used for printing as the image of the original purposes of printer here.If in this kind service action, use the China ink that is stored in the print cartridge 41, then can shorten the replacing interval of print cartridge 41, the ease of use variation.Particularly, in this printer 1, as shown in Figure 5, a plurality of shower nozzles 32 are installed.Therefore, the China ink amount that is consumed also increases pro rata with the number of shower nozzle 32.Particularly, be that the user buys owing to change the print cartridge 41 of usefulness, therefore the situation that the replacing of print cartridge 41 excessively shortens is at interval avoided in requirement with doing one's utmost.
So, in this printer 1, during carrying out at the service action of nozzle in, use the China ink that is stored in the built-in China ink jars 43.In the action example of Fig. 8, from power connection to receive print command during (t1-t6), the China ink that is stored in the built-in China ink jars 43 is supplied with to nozzle component 30 sides.Under this situation, for example shown in Fig. 9 A, printer side controller 70 will select signal to send to stream selection portion 45, and making the second valve group 45B is open state, and to make the first valve group 45A be dissengaged positions.Like this, will be with the path of representing with thick line in scheming, from the China ink of the built-in China ink jar 43 black same amounts of supplying with and service action, consuming.
In addition, also can among the process that prints action, carry out at the service action of nozzle.For example, plurality of sheets of paper is being opened under the situation that S prints, after can finishing in printing to certain paper S, and the moment before the printing to next paper S begins carry out.In the action example of Fig. 8, in moment t7 is during the t8, wash.In addition, in this printer 1, between flush period in, in the mode that the China ink that will be stored in the built-in China ink jars 43 is supplied with to nozzle component 30 sides, switch the stream of China ink.
In addition, (in original purposes such as such printer such as the printing of image etc., use China ink during) during the printing to paper S, the China ink that is stored in the print cartridge 41 is supplied to nozzle component 30 sides.In the action example of Fig. 8, moment t6 during the t7, constantly t8 during the t9 and moment t11 later during, the China ink that is stored in the print cartridge 41 is supplied with to nozzle component 30 sides.Under this situation, for example shown in Fig. 9 B, printer side controller 70 will select signal to send to stream selection portion 45, and making the first valve group 45A is open state, and to make the second valve group 45B be dissengaged positions.Like this, will be with the path of representing with thick line in scheming, from the China ink of print cartridge 41 supplies with the black identical amount that during printing action, consumes.
But, during to the printing of paper S in, the China inks in the print cartridge 41 can be not enough sometimes.In such cases, in the printer in the past, be that printing is ended, transmit to the user and urge the message of changing print cartridge.Here, the termination of printing, the user who obtains to print thing for hope as early as possible is dissatisfactory.Particularly, under the situation of the print cartridge of not trying to win sb.'s favor in advance,, therefore very big problem is arranged owing to will just can print up to buying, install print cartridge.
So, in this printer 1, during to the printing of paper S in, under the situation that the China ink in print cartridge 41 is not enough, switch the stream of China ink, and the China ink of built-in China ink jars 43 supplied to nozzle component 30 sides.In the example of Fig. 8, detect the surplus deficiency of China ink at moment t9.As previously mentioned, Mo surplus is to be discerned based on count value that is stored in the ejection counting region (information of ejection number of times) and the spray volume information that is stored in the ejection scale by printer side controller 70 (CPU72).Therefore, even among the process that prints action, also can constantly obtain arbitrarily.
In addition, printer side controller 70 is not ended to print, and is selected signal to 45 outputs of stream selection portion under the situation of the surplus deficiency that detects China ink (t9).The selection signal here is that to be used to make the second valve group 45B be open state, and to make the first valve group 45A be the signal of dissengaged positions.So just the China ink that is stored in the built-in China ink jar 43 can be used for printing.Thereafter, if corresponding to the printing release of print command, then printer side controller 70 transmits to the user and urges the message of changing print cartridge 41.This message for example is to transmit to the user by the printer driver that is installed among the computer CP.In addition, also can transmit to the user by the display unit (not shown) of printer 1.
Like this, even, also can replace, therefore can not end executory printing, and proceed to last with the China ink that is stored in the built-in China ink jar 43 owing to detect the surplus deficiency of the China ink that is stored in the print cartridge 41.Like this, the user just can obtain to print thing as soon as possible, improves ease of use.In addition, in this printer 1, can be set at the printer that is less than in the past with being judged as the not enough China ink amount of China ink that is stored in the print cartridge 41.This is because be to utilize the switching of the control of the first valve group 45A and the second valve group 45B being carried out the China ink supplied with to nozzle component 30 sides.That is to say, then can not have obstacle ground to switch black feed path if the first China ink pipe, the 46 and second China ink pipe 47 is full of by China ink.
In addition, after having changed print cartridge 41, if receive next print command, then printer side controller 70 just switches to print cartridge 41 with the supply source of China ink and prints (t11-).
＜sum up
In this printer 1, printer side controller 70 is an object with the China ink that is stored in the China ink in the print cartridge 41 and be stored in the built-in China ink jar 43, and setting will be to the China ink of nozzle component 30 supplies.In addition, control the first valve group 45A accordingly with the China ink that will supply with and the second valve group 45B sets feed path, and supply with China ink via the feed path that sets.
Like this, in this printer 1, owing to select to be stored in China ink in the print cartridge 41, be stored in the China ink in the built-in China ink jars 43, and supply with to nozzle component 30 sides, therefore can improve ease of use.For example, can print with not ending halfway, the China ink that is stored in the print cartridge 41 can be used for original printing purposes.
The first valve group 45A that flows, control that control is stored in the China ink in the print cartridge 41 are stored in the second valve group 45B that flows of the China ink in the built-in China ink jar 43 respectively by 70 its actions of control of printer side controller.Thus, can change the feed path of China ink at an easy rate.
Other embodiments
Though above-mentioned embodiment is put down in writing at printer 1, yet, wherein also comprise disclosing of convection cell blowoff and fluid jet method.In addition, above-mentioned embodiment is in order to understand the present invention easily, rather than is used for explaining the present invention limitedly.The present invention can change, improve under the situation that does not break away from its purport, and comprises its equivalent certainly in the present invention.Particularly, even the embodiment of the following stated also is contained among the present invention.
＜stream selection portion 45 〉
The stream selection portion 45 of first embodiment has the first valve group 45A that is located in the first China ink pipe 46, is located at the second valve group 45B in the second China ink pipe 47.With regard to this stream selection portion 45, can the first valve group 45A be set, and the second valve group 45B only is set as shown in figure 10 yet.So under the situation about being provided with, printer side controller 70 (China ink be consumed in the original purposes of printer during) during printing, making the second valve group 45B is dissengaged positions, during safeguarding (China ink be consumed in other purposes during) to make the second valve group 45B be open state.
Like this, during safeguarding, respectively from print cartridge 41 and built-in China ink jar 43 supply China inks.In other words, the part of the China ink that is consumed during safeguarding is from jar 43 supplies of built-in China ink.So, during safeguarding, can suppress to be stored in the consumption of the China ink in the print cartridge 41, can reduce the replacing frequency of print cartridge 41.
Under situation about so constituting, preferably make the flow path resistance of the flow path resistance of the second China ink pipe 47 less than the first China ink pipe 46.For example, preferably use the big pipe of internal diameter, or use the pipe of inwall having been implemented hydrophobic processing.Thus, during safeguarding, the usage rate that is stored in the China ink in the built-in China ink jar 43 can be improved, this China ink can be used energetically.Consequently, the consumption of the China ink in the print cartridge 41 can be suppressed to be stored in, the replacing frequency of print cartridge 41 can be further reduced.
＜be used to realize the member that stream is selected 〉
The stream selection portion 45 of first embodiment has: be located in the first China ink pipe 46, be used to carry out the first valve group 45A of the switching of this first China ink pipe 46, be located in the second China ink pipe 47, be used to carry out the second valve group 45B of the switching of this second China ink pipe 47, by the first valve group 45A and the second valve group 45B are moved independently of one another, carry out the selection of stream.With regard to being used to realize member that stream selects, be not limited thereto, for example also can use (jointly) simultaneously to drive the member (for example triple valve) of the switching of the switching of the first China ink pipe 46 and the second black pipe, carry out stream and select.
＜China ink pipe 〉
In the black feed mechanism 40 of first embodiment, the first China ink pipe, the 46 and second China ink pipe 47 is connected to common ink pipe 48, common ink pipe 48 is connected with nozzle component 30 (each shower nozzle 32).With regard to black Guan Eryan, be not limited to this mode.For example, also can as shown in figure 11 the first China ink pipe 46 be connected respectively with each shower nozzle 32 with the second China ink pipe 47.
The replacing of＜print cartridge 41 〉
Though in the printer 1 of first embodiment, be the message that replacing is urged in (t10) output when print finishing, yet also can detecting China ink (t9) output message when not enough.In this printer 1, when the second valve group 45B is open, utilize the first valve group 45A that first stream is cut off.Thus, even in the replacing of print cartridge 41, also can proceed to print.So even also can change print cartridge 41 in printing, ease of use is good.
＜print cartridge 41 and built-in China ink jar 43 〉
In first embodiment, the printer 1 that has the print cartridge 41 that can change with respect to the main part of printer 1, is located at the built-in China ink jars 43 on this main part integratedly is illustrated.Here, two print cartridges 41 of storing the China ink of identical type both can be set, two built-in China ink jars 43 also can be set.That is, both the first fluid reservoir and the second fluid storage portion can be set to respectively and can change, also the first fluid reservoir and the second fluid storage portion can be set to respectively and the apparatus main body one.Under this situation, preferably preferentially use a side fluid storage portion.This is because if the storage capacity of the fluid in each fluid storage portion all is less than ormal weight, then can the use of thereafter device be counteracted.
＜other devices 〉
In the above-described first embodiment, though be that example is illustrated with so-called line printer, also can be to make balladeur train (carriage) that shower nozzle is installed move the so-called serial printer that prints along the width of paper.
In addition, though printer 1 has been described as fluid blowout unit, but be not limited thereto, also can be embodied as spray or the ejection China ink beyond other liquid (except liquid, also comprising the stream shape body of the aqueous body, gel and so on of the particle that is dispersed with functional material) or the fluid blowout unit of the fluid beyond the liquid (can be used as fluid flows and the solid that sprays etc.).The liquid jet device of for example, also can be ejection with the form that disperses or dissolves the contain aqueous body of materials such as electrode material used in the manufacturing of LCD, EL (electroluminescent) display and face active display etc. and look material, be ejected in the organic liquid ejection apparatus of organism used in the biochip manufacturing, ejection becomes the liquid ejection apparatus as the liquid of the sample of accurate suction pipe.In addition, can also be with point-like to the liquid ejection apparatus of precision optical machineries such as clock and watch and camera ejections lubricating oil, in order to form that used small packaged lens (optical lens) in the optical communication device etc. waits and on substrate transparent resin liquid such as ejection ultraviolet curable resin liquid ejection apparatus, for etching substrates etc. and the stream shape body blowoff of the liquid ejection apparatus of etching solutions such as ejection acid or alkali, ejection gel, to spray with powders such as toners be the powder jet type tape deck of the solid of example.In addition, can apply the present invention in their any one central blowoffs.
Claims (5)
1. fluid blowout unit has:
The shower nozzle of ejecting fluid;
The first fluid reservoir is located on the apparatus main body replaceably, stores from the fluid of above-mentioned shower nozzle ejection;
The second fluid storage portion is set to one with the said apparatus main body, stores from the fluid of above-mentioned shower nozzle ejection, and is to store and the fluid that is stored in the fluid identical type in the above-mentioned first fluid reservoir; And
Select supply unit, at least one side who selects to be stored in the above-mentioned fluid in the above-mentioned first fluid reservoir and be stored in the above-mentioned fluid in the above-mentioned second fluid storage portion, and supply with and give above-mentioned shower nozzle,
Above-mentioned selection supply unit has:
First valve is located at first stream that flows through from the fluid of above-mentioned first fluid reservoir, allows or cuts off flowing of above-mentioned fluid;
Second valve is located at second stream that flows through from the fluid of the above-mentioned second fluid storage portion, allows or cuts off flowing of above-mentioned fluid; And
Controller is controlled the action of above-mentioned first valve and above-mentioned second valve,
Above-mentioned controller and the service action interlock that is used for above-mentioned shower nozzle is set at normal condition make above-mentioned second valve open and make above-mentioned first valve to cut off, and make the fluid that is stored in the above-mentioned second fluid storage portion be in to above-mentioned shower nozzle side condition of supplying,
Above-mentioned controller with spray the action interlock of above-mentioned fluid from above-mentioned shower nozzle to medium, make above-mentioned first valve open and above-mentioned second valve is cut off, make the fluid that is stored in the above-mentioned first fluid reservoir be in to above-mentioned shower nozzle side condition of supplying.
2. fluid blowout unit according to claim 1 is characterized in that,
Above-mentioned controller upwards give an account of the action that matter sprays above-mentioned fluid from above-mentioned shower nozzle during, in detecting the fluid deficiency that is stored in the above-mentioned first fluid reservoir, make above-mentioned second valve open and make above-mentioned first valve to cut off, make the fluid that is stored in the above-mentioned second fluid storage portion be in to above-mentioned shower nozzle side condition of supplying.
3. fluid blowout unit according to claim 1 is characterized in that having:
Make first stream that flows to above-mentioned shower nozzle from the fluid of above-mentioned first fluid reservoir,
Make second stream that flows to above-mentioned shower nozzle from the fluid of the above-mentioned second fluid storage portion,
Above-mentioned selection supply unit has:
Valve is located at above-mentioned second stream, allows or cuts off flowing of above-mentioned fluid; And
Controller is controlled the action of above-mentioned valve, makes above-mentioned valve open during the service action that is used for above-mentioned shower nozzle is set at normal condition.
4. fluid blowout unit according to claim 3 is characterized in that,
Make the flow path resistance of the flow path resistance of above-mentioned second stream less than above-mentioned first stream.
5. fluid jet method has:
For the fluid that is stored in the first fluid reservoir of being located at replaceably on the apparatus main body, with be stored in be set in the second fluid storage portion of one with the said apparatus main body and with the fluid that is stored in the fluid identical type in the above-mentioned first fluid reservoir, the fluid that selection will be supplied with to shower nozzle;
According to the selection result of the above-mentioned fluid that will supply with to shower nozzle, set the feed path of the fluid between above-mentioned first fluid reservoir and above-mentioned second fluid storage portion and the above-mentioned shower nozzle; And
By the feed path that sets, the fluid that will become object is supplied with to above-mentioned shower nozzle,
Have:
First valve is located at first stream that flows through from the fluid of above-mentioned first fluid reservoir, allows or cuts off flowing of above-mentioned fluid;
Second valve is located at second stream that flows through from the fluid of the above-mentioned second fluid storage portion, allows or cuts off flowing of above-mentioned fluid; And
Controller is controlled the action of above-mentioned first valve and above-mentioned second valve,
Above-mentioned controller and the service action interlock that is used for above-mentioned shower nozzle is set at normal condition make above-mentioned second valve open and make above-mentioned first valve to cut off, and make the fluid that is stored in the above-mentioned second fluid storage portion be in to above-mentioned shower nozzle side condition of supplying,
Above-mentioned controller with spray the action interlock of above-mentioned fluid from above-mentioned shower nozzle to medium, make above-mentioned first valve open and above-mentioned second valve is cut off, make the fluid that is stored in the above-mentioned first fluid reservoir be in to above-mentioned shower nozzle side condition of supplying.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007157880 | 2007-06-14 | ||
| JP2007-157880 | 2007-06-14 | ||
| JP2007157880 | 2007-06-14 | ||
| JP2008-104928 | 2008-04-14 | ||
| JP2008104928 | 2008-04-14 | ||
| JP2008104928A JP2009018567A (en) | 2007-06-14 | 2008-04-14 | Fluid ejector and fluid ejection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101323213A CN101323213A (en) | 2008-12-17 |
| CN101323213B true CN101323213B (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101114146A Expired - Fee Related CN101323213B (en) | 2007-06-14 | 2008-06-12 | Liquid ejection apparatus and method |
Country Status (2)
| Country | Link |
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| JP (1) | JP2009018567A (en) |
| CN (1) | CN101323213B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6237081B2 (en) * | 2013-10-04 | 2017-11-29 | セイコーエプソン株式会社 | Liquid ejector |
| JP6439330B2 (en) * | 2014-09-04 | 2018-12-19 | セイコーエプソン株式会社 | Liquid supply apparatus, liquid ejecting apparatus, and liquid supply method |
| JP6400413B2 (en) * | 2014-09-29 | 2018-10-03 | ローランドディー．ジー．株式会社 | Ink supply system, ink jet printer, ink filling method, and method of using ink supply system |
| JP2018051478A (en) * | 2016-09-29 | 2018-04-05 | セイコーエプソン株式会社 | Fluid discharge device and method of discharging fluid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079808A (en) * | 1996-08-05 | 2000-06-27 | Seiko Epson Corporation | Ink jet recording apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03138157A (en) * | 1989-10-24 | 1991-06-12 | Fuji Xerox Co Ltd | Maintenance method and device in ink-jet device |
| JP2002029041A (en) * | 2000-07-17 | 2002-01-29 | Fuji Photo Film Co Ltd | Ink jet printer |
| JP2004209896A (en) * | 2003-01-08 | 2004-07-29 | Canon Inc | Inkjet recording device |
| JP4470427B2 (en) * | 2003-09-24 | 2010-06-02 | コニカミノルタホールディングス株式会社 | Inkjet printer |
-
2008
- 2008-04-14 JP JP2008104928A patent/JP2009018567A/en active Pending
- 2008-06-12 CN CN2008101114146A patent/CN101323213B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6079808A (en) * | 1996-08-05 | 2000-06-27 | Seiko Epson Corporation | Ink jet recording apparatus |
Non-Patent Citations (5)
| Title |
|---|
| JP特开2000-15837A 2000.01.18 |
| JP特开2004-314418A 2004.11.11 |
| JP特开2006-175626A 2006.07.06 |
| JP特开平11-286117A 1999.10.19 |
| JP特开平9-76523A 1997.03.25 |
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| CN101323213A (en) | 2008-12-17 |
| JP2009018567A (en) | 2009-01-29 |
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