CN103207548A - Developing assembly, process cartridge, image forming apparatus and developer replenishment method - Google Patents
Developing assembly, process cartridge, image forming apparatus and developer replenishment method Download PDFInfo
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- CN103207548A CN103207548A CN2012105771001A CN201210577100A CN103207548A CN 103207548 A CN103207548 A CN 103207548A CN 2012105771001 A CN2012105771001 A CN 2012105771001A CN 201210577100 A CN201210577100 A CN 201210577100A CN 103207548 A CN103207548 A CN 103207548A
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Abstract
The invention provides a developing assembly, a process cartridge, an image forming apparatus and a developer replenishment method. According to the invention, image quality degradation can be prevented after the developer replenishment. When a gesture of the developing assembly (23) mounted in the image forming apparatus body is used as a reference and then changed to be an upside-down gesture in a vertical direction under a state of uniform replenishment for a novel developer (T1) in a toner cartridge used as a developer accommodating container, a toner replenishment port (89) used as a developer replenishment port is arranged in an upper part relatively close to a vertical direction, compared with a surface level of a developer in a hopper part (86) used as a developer container.
Description
Technical field
The present invention relates to developing device, cartridge processing, image processing system and developer supply method.
Background technology
In the past, well-knownly be, after the toner minimizing as developer in the developing device, just from as the toner receptacle of taking in the developer receptacle container of new product toner, brand-new toner is once put into the developing device (as patent documentation 1,2) of unification (draws together) the toner replenishing mode in the developing device.
Be specifically, developing device includes as the toner hopper of accommodating the developer collecting receiving part of toner, it extends in being configured to from the developer replenishing parts to vertical direction, and described developer replenishing parts will be deposited in and supply in the developer mounting body after developer in the vertical direction downside of developing device draws up.Be provided with toner replenishing mouth as the developer supply mouth in above the toner hopper at this, the toner receptacle is positioned in this toner replenishing mouth.Then, by peelling off the seal member that is attached in toner receptacle following, the toner in the toner receptacle is just because deadweight falls from the toner replenishing mouth, toner just by unified supply in the developing device.
In the developing device of above-mentioned unified toner replenishing mode, after long-time the use, the toner in the developing device will be because of deteriorations such as stirrings, and dissimilates with initial charged characteristic.Therefore, for example be to adopt the rotation number as the photoreceptor of sub-image mounting body to wait to hold the deterioration state of the toner in the developing device, and control to be altered to development conditions (for example, the development bias voltage) lining corresponding to the toner deterioration state.Then, when the toner of new product unified supply to developing device inside after, just the rotation number of photoreceptor etc. is resetted, to switch in the development conditions corresponding to the toner of new product.
Yet, the toner replenishing mouth in the developing device in the past be arranged on toner hopper above, toner is unified supply from the top of developing device.Therefore, just become the situation of having piled up the toner of new product above the old toner in remaining in developing device.Consequently, in the downside of developing device be by deterioration old toner occupy.So, when unified toner replenishing had just finished, old toner just was fed in the developer mounting body by the developer replenishing parts, and was used for old toner development.Consequently, behind the unified toner replenishing, the rotation number of photoreceptor etc. is being resetted, switching to corresponding in the development conditions of the toner of new product the time, can cause the problem of the decline of the image quality after unified toner replenishing has just finished.
In order to address the above problem, can consider behind unified toner replenishing to carry out stipulated number corresponding to the development conditions of old toner, till beginning to carry out image formation.Yet, use old toner till the toner that switches to new product during in, exist instability, just switch in the new product toner in the stage more Zao than stipulated number sometimes, but can switch to the stage that is later than stipulated number in the new product toner sometimes.When switching in the new product toner with the stage more Zao than stipulated number, though the new product toner is used to development, because be to develop with the development conditions corresponding to old toner, so will cause the decline of image quality.In addition, when switching in the new product toner with the stage that is later than stipulated number, though old toner is used to development, because be to develop corresponding to the development conditions of new product toner, so also can cause the decline of image quality.So, from behind the unified toner replenishing to beginning to carry out till image forms, even corresponding to the development conditions of old toner, can not control the decline of image quality fully.
[patent documentation 1] (Japan) spy opens flat 6-83186 communique
[patent documentation 2] (Japan) spy opens flat 7-325484 communique
Summary of the invention
The present invention is in view of above-mentioned problem, developing device, cartridge processing, image processing system and developer supply method that purpose is to provide a kind of image quality that can suppress behind the developer supply to descend.
To achieve these goals, technical scheme 1 of the present invention provides a kind of developing device, it comprises: developer mounting body, to do the surface mobile in the back from the teeth outwards with the developer mounting for it, and with sub-image mounting body in opposite directions and develop after developer replenishing is in the sub-image on the surface of this sub-image mounting body in place, right development field; The developer collecting receiving part, it accommodates developer; The developer replenishing parts, it will remain in and supply in the described developer mounting body after developer in the bottom of developer collecting receiving part draws; The developer supply mouth, it arrives in the described developer collecting receiving part for the new product developer supply in the developer receptacle container that will take in the new product developer, it is characterized in that, described developing device constitutes and can load and unload with respect to image forming device body, described developing device under the state of the new product developer in the described developer receptacle container being unified supply, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down in the posture after the counter-rotating time, and described developer supply mouth is configured in water plane than the developer in the described developer collecting receiving part more by in the vertical direction.
According to technical scheme of the present invention, with the new product developer by the developing device after unifying supply, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down during posture (hereinafter referred to as " counter-rotating the posture ") lining after the counter-rotating, because the water plane that the developer supply mouth is positioned at than the developer of described developer collecting receiving part more leans in the vertical direction, so just can as following, developer supply be arrived in the developer collecting receiving part.That is to say, developing device is become above-mentioned counter-rotating posture after, can come supply new product developer from described developer supply mouth.By developing device being changed in the above-mentioned counter-rotating posture, remain in deterioration in the bottom of developing device old toner will drop to above-mentioned counter-rotating posture because of deadweight the time in the following position as the developer collecting receiving part.Then, with the new product developer from the supply of developer supply mouth to the developer collecting receiving part in the time, the developer of new product remains in as on the old developer in the following position of developer containing in the time of will being deposited in above-mentioned counter-rotating posture.After the new product developer carried out supply, when turning back to developing device in the posture when being installed in the image processing system, just can make that the developing device downside is the new product developer.Thus, the new product developer supplies in the developer mounting body after just being drawn by the developer replenishing parts, and is used for developing.So, by making development conditions behind the new product developer supply for the development conditions corresponding to the new product developer, just can carry out good development to the sub-image on the sub-image mounting body.Thereby can suppress the decline of the image quality behind the new product developer supply.
Description of drawings
Shown in Figure 1 is the summary pie graph of the related printer of an embodiment of the invention.
Shown in Figure 2 is the summary pie graph of the processing components in this printer.
Shown in Figure 3 is the key diagram of toner replenishing in the past.
Shown in Figure 4 is the summary pie graph of the developing device in the past behind the toner replenishing.
Fig. 5 (a) is to shown in Fig. 5 (d) being the key diagram that adopts the toner replenishing behind the developing device 23 of present embodiment.
Shown in Figure 6 is the summary pie graph of processing components that comprises the developing device of variation 1.
The mode chart in the path of the used toner that to be conveyance removed by cleaning device shown in Figure 7.
Shown in Figure 8 is the summary stereographic map that takes off the appearance after the used toner returnable from developing device.
Shown in Figure 9 is the summary pie graph of used toner returnable.
Be the summary pie graph in used toner conveyance path shown in Figure 10 (a), Figure 10 (b).
Shown in Figure 11 is that the used toner returnable is arranged to the key diagram in the developing device.
Shown in Figure 12 is synoptic diagram when being arranged on platform in the counter-rotating posture developing device of variation 1.
Shown in Figure 13 is the synoptic diagram of the appearance when arriving the new product toner replenishing in the developing device of variation 1.
Shown in Figure 14 is the summary stereographic map of the toner cartridge in the developing device of variation 2.
Figure 15 (a) is to being the key diagram of the toner replenishing of variation 2 shown in Figure 15 (c).
[symbol description]
10 light sensitive body assemblies
14 used toner conveyance paths
14a used toner conveyance band
The 14b connector
The 14c shutter part
16 used toner returnable
The 16a seal member
17 conveyance screw rods
18 driven wheels
19 used toners reclaim mouth
The 19a seal member
23 developing devices
24 photoreceptors
25 Charging systems
26 processing components
27 light write assembly
41 toner supply mouths
70 light write assembly
80 toner supplying rollers
81 developer rolls
83b used toner coil
86 hopper portions
Above the 86a
87 development sections
88 stirrers
89 toner replenishing mouths
90 covers
110 toner cartridges
110a toner supply mouth
113 supply port shutter parts
120 platforms
122 guide parts
142 wall portions
191 edge parts
231 guided ways
300 control parts
301 development power supplys
302 surplus pick-up units
303 annunciators
T1 new product toner
The old toner of T2
The T3 used toner
Embodiment
Below, for describing as an embodiment that has been suitable for the printer (being designated hereinafter simply as " printer ") of the electronic photo mode of image processing system of the present invention.
At first, the basic formation for the related printer of present embodiment describes.
The summary pie graph of the printer that present embodiment shown in Figure 1 is related.In the figure, this printer setup is useful on four cartridge processing 26K, C, M, the Y of the toner picture that forms black, cyan, magenta, yellow (below be designated as K, C, M, Y).They form material as image, though use K, C, M, the Y toner of different colours mutually, are same formation in addition, and are replaced when arriving the life-span.When being example with the cartridge processing 26K that is used to form K toner picture, just as illustrated in fig. 2, be provided with light sensitive body assembly 10K and the developing device 23K of the photoreceptor 24K as the drum type of sub-image mounting body, bulging cleaning device 83K, neutralizer (not shown), retainer belt electric installation 25K.The processing components 26K that forms assembly as image can load and unload in the printer body, and can once change consumable part.
Charging system 25K is for carrying out uniform charged by the not shown driving mechanism surface that clockwise rotates the photoreceptor 24K that is rotated driving in the direction in the drawings.Be exposed by laser L by the surface of the photoreceptor 24K behind the uniform charged and scan the electrostatic latent image that mounting K afterwards uses.The electrostatic latent image that this K uses is developed by the developing device 23K that uses not shown K toner and is K toner picture.Then, by intermediate transfer to intermediate transfer belt 22 described later.Drum cleaning device 83K removes for the transfer printing remaining toner that is attached to through in the photoreceptor 24K surface after the intermediate transfer operation.In addition, above-mentioned neutralizer removes the residual charge of the photoreceptor 24K after cleaning.Except electricity, the image that the surface of photoreceptor 24K obtains going to prepare next time after the initialization forms by this.For the processing components (26C, M, Y) of other colors, also be similarly after photoreceptor (24C, M, Y) forms (C, M, Y) toner picture, intermediate transfer is to intermediate transfer belt 22 described later.Also have, the tympanic part of the tubular among the photoreceptor 24K is to have covered organic photosensitive layer in the surface of the aluminum pipe of hollow.After in the both ends of the axis direction of this tympanic part the flange with drum axle being installed respectively, constituted photoreceptor 24K.
Developing device 23K includes the 86K of hopper portion and the development section 87K that accommodates as the vertical length of the K toner of not shown developer.In the 86K of hopper portion as the developer collecting receiving part, set the stirrer 88K that is rotated driving by not shown driving mechanism, with in below its vertical direction, as toner supplying roller 80K of the developer replenishing parts that are rotated driving by not shown driving mechanism etc.K toner in the 86K of hopper portion is when the rotating drive by stirrer 88K is stirred, because deadweight is moved to toner supplying roller 80K.Toner supplying roller 80K comprises metal plug and by being coated on the roller portion that Foamex in its surface etc. constitutes, and the K toner in its downside in will being deposited in the 86K of hopper portion rotates when being attached in the surface of roller portion.
In the development section 87K of developing device 23K, on one side be equipped with on one side the developer roll 81K that rotates with photoreceptor 24K or toner supplying roller 80K butt, and tip is abutted to thin layer scraper plate 82K in the surface of this roller etc.The K toner that is attached in the toner supplying roller 80K in the 86K of hopper portion is fed in the surface of developer roll 81K at the abutting part place of developer roll 81K and toner supplying roller 80K.K toner after being supplied to along with the rotation of developer roll 81K when the butt position by roller and thin layer scraper plate 82K, the lip-deep bed thickness of roller obtains restriction.Then, the K toner after the bed thickness restriction is attached in the electrostatic latent image that the K on the surface of photoreceptor 23K uses in the development field of the abutting part of developer roll 81K and photoreceptor 24K.Adhere to by this, the electrostatic latent image that K uses just has been developed to K toner picture.
By Fig. 2, though be that the processing components 26K that K uses is illustrated, in processing components 26C, M that C, M, Y use, Y, by same processing, C, M, Y toner picture just in photoreceptor 24C, M, Y surface, have been formed.
In aforesaid Fig. 1, light writes in the top of vertical direction that assembly 27 is provided in processing components 26K, C, M, Y.Light as the sub-image writing station writes assembly 27 by according to the laser L of view data from the laser diode emission, comes photoreceptor 24K, C among processing components 26K, C, M, the Y, M, Y are carried out photoscanning.By this photoscanning, just formed the electrostatic latent image that K, C, M, Y use at photoreceptor 24K, C, M, Y.In this formation, be to write assembly 27 and processing components 26K, C, M, Y are used as the statue device by light, but respectively in the sub-image mounting body more than 3 to K, C, M, the Y toner of different videos look like to carry out statue each other as color.
Also have, light writes assembly 27 laser (L) of light source emission in the polarisation, is being shone in the photoreceptor by means of a plurality of optical lenses or catoptron in the main scanning direction by the polygonal mirror that driven by not shown polyhedron revolution.But the LED light that also can adopt a plurality of LED emission by led array carries out light and writes.
In below the vertical direction of processing components 26K, C, M, Y, set as when the intermediate transfer belt 22 of ring-type is set up in tensioning, make its in the drawings inhour rotate the transfer printing assembly 75 of the belting that ring-type moves in direction.Transfer printing assembly 75 has also comprised driven roller 76, idler roller 20, four primary transfer roller 74K, C, M, Y and secondary transfer roller 21, band cleaning device 71, cleaning support roller 72 etc. except intermediate transfer belt 22.
Four primary transfer roller 74K, C, M, Y will so be clipped in around mobile intermediate transfer belt 22 between itself and photoreceptor 24K, C, M, the Y.Sandwich by this, just formed the surface of intermediate transfer belt 22 and the primary transfer clamping that photoreceptor 24K, C, M, K, the C of Y butt, M, Y use.
In primary transfer roller 74K, C, M, Y, applied the primary transfer bias voltage respectively by not shown transfer bias power supply, thus, just between the electrostatic latent image of photoreceptor 24K, C, M, Y and primary transfer roller 74K, C, M, Y, formed transfer electric field.Also have, also can adopt transfer printing charger or transfer printing brush to wait substituting disposable transfer roll 74K, C, M, Y.
When being formed on Y toner in the photoreceptor 24Y surface of the processing components 26Y that Y uses and entering in the primary transfer clamping that above-mentioned Y uses along with the rotation of photoreceptor 24Y, the just effect of pressing by transfer electric field or clamping and going up by primary transfer to intermediate transfer belt 22 from photoreceptor 24Y.Primary transfer intermediate transfer belt 22 that Y toner picture arranged is along with it during around mobile and primary transfer clamping that use by M, C, K like this, the M on photoreceptor 24M, C, the K, C, K toner picture just by successively overlappingly primary transfer to the Y toner picture.By this overlapping primary transfer, just formed the toner picture of four looks at intermediate transfer belt 22.
The secondary transfer roller 21 of transfer printing assembly 75 is provided in the ring outside of intermediate transfer belt 22, and and the ring inboard in idler roller 20 together intermediate transfer belt 22 is sandwiched between them.Sandwich by this, just formed the surface of intermediate transfer belt 22 and the secondary transfer printing clamping of secondary transfer roller 21 butts.21 li of secondary transfer roller, be applied in the secondary transfer printing bias voltage by not shown transfer bias power supply.Apply by this, just between the idler roller 20 of secondary transfer roller 21 and ground connection, formed the secondary transfer printing electric field.
In below the vertical direction of transfer printing assembly 75, the paper supply cartridge 41 of accommodating recording chart P with the state of the overlapping paper bundle of multipage is set to the framework with respect to printer and can be loaded and unloaded slidably.This paper supply cartridge 41 is connected to paper feed roller 42 in the uppermost recording chart P of paper bundle, rotates in the inhour rotation direction in the drawings by making it opportunity with regulation, just this recording chart P has been sent in the paper supply path.
It is right to have set the contraposition roller that is made of contraposition roller 43,44 near the end in paper supply path.This contraposition roller will be to stopping the rotation of two rollers after in will being clamped between the roller as the recording chart P of the recording-member of sending from paper supply cartridge 41 at once.Then, after synchronous opportunity reopened rotating drive by four colour toners pictures in above-mentioned secondary transfer printing clamping so that on the recording chart P that sandwiches and the intermediate transfer belt 22, recording chart P is sent towards the secondary transfer printing clamping.In the secondary transfer printing clamping, be fitted into four colour toners pictures on the intermediate transfer belt 22 in the recording chart P and be subjected to after the influence that secondary transfer printing electric field or clamping press by unified secondary transfer printing to recording chart P, and become full color toner picture with the white of recording chart P.So at the recording chart P that is formed with full color toner picture in the surface by the secondary transfer printing clamping time, separate from secondary transfer roller 21 or intermediate transfer belt 22 curvature.Then, through being fed to 40 li of fixing devices behind the conveyance path after the transfer printing.
By 22 li of the intermediate transfer belts after the secondary transfer printing clamping, be attached with the transfer printing remaining toner that is not transferred in the recording chart P.Be that band cleaning device 71 by in the surface that is connected to intermediate transfer belt 22 cleans from the surface to this.Be provided in cleaning support roller 72 in the ring inboard of intermediate transfer belt 22 and be from encircling the inboard and come the cleaning of 71 pairs of bands of tenaculum cleaning device.
In being provided with as 40 li of the fixing devices of fixing mechanism, keep the fixing roller 45 of the pyrotoxin of Halogen lamp LED etc., backer roll 47 with rotating when the pressure with regulation abuts to 45 li of fixing rollers has just formed the photographic fixing clamping by fixing roller 45 and backer roll 47.Being fed to recording charts in the fixing device 40 is fitted into 45 li ground of fixing roller with its unfixing toner as mounting surface and is clamped in the photographic fixing clamping.Then, by the influence of heating or pressurization, after the toner in the toner picture was softened, full-color image just obtained photographic fixing.
By the input operation to the operating portion that constituted by not shown ten key etc., or the control signal of being sent here by not shown personal computer etc. etc., under the situation that is set at the single face printing model, the recording chart P that discharges in fixing device 40 just directly is discharged to outside the machine.Then by in the stacking portion that constitutes above of stacking by the upper cover 56 of framework.
In the present embodiment, be to write assembly 27 by processing components 26K, C, M, Y and light to constitute the toner picture that forms the toner picture and form device.
The upper cover of the framework of printer is supported centered by spindle unit 51 to can rotating shown in arrow among the figure, rotates rotation in the direction by inhour in the drawings, and just becoming framework has been the state opened.Then, make the upper opening of framework expose significantly.In addition, it also is to be supported centered by spindle unit 51 to freely rotating that light writes assembly 70, rotates rotation in the direction by inhour in the drawings, expose processing components 26K, C, M, Y above.
Assembly 70 is open to be loaded and unloaded afterwards in that upper cover and light are write for processing components 26K, C, M, Y.Be specifically, open upper cover and light write assembly 70 exposed processing components 26K, C, M afterwards, above the Y after, by processing components 26K, C, M, Y are gone out at direction lira vertically upward, just taken out from body.
Write the loading and unloading that assembly 70 loads and unloads frequency high processing assembly by open upper cover and light, excessive posture such as just do not need to take to squat down, bend over, go down on one's knees, and can when observing in to framework from upside, confirm charge and discharge operations.Thus, just can alleviate the operation burden, or suppress the generation of misoperation.
In addition, though above-mentioned be to make to have comprised that the processing components 26K of light sensitive body assembly 10K and developing device 23K can load and unload from device body, also can be to make developing device 23K and light sensitive body assembly 10K load and unload from device body respectively separately.
Below, for describing to the toner replenishing as the developing device 23 of the feature portion of this printer.
At first, as illustrated in fig. 2, in developing device 23K, be provided with the surplus pick-up unit 302K that the toner surplus in the developing device is detected.Be specifically, after in developing device, piezoelectric sensor being set, output by piezoelectric sensor detects the surplus in the developing device, or detection window is set in developing device, by the infiltration type optical sensor to after whether toner arranged in the detection window detecting, come the toner volume height in the developing device is detected, and detect surplus from this volume height.
By surplus pick-up unit 302, when control part 300 detects toning dosage in the developing device and is lower than certain threshold value, control part 300 just is judged as toner and uses up, and will need the content of toner replenishing to report to the user by annunciators such as display panel 303, and urge the user to carry out toner replenishing.The user is according to the indication of annunciator 303, with the toner replenishing of new product to 23 li of developing devices.
New product toner T1 is not because being added on adjuvant that be used for to adjust flowability and charging property in the surfaces of toner particles breaks away from or be embedded in the particle, so have good charged characteristic.Yet along with the increase of lettering number of pages is subjected to stress because stirring to wait, and adjuvant breaks away from or is embedded to that the back charged characteristic will descend in the particle, and become be difficult to charged.The toner of this charged deficiency is difficult to be subjected to the influence of the potential difference (PD) between developer roll and the photoreceptor, thereby causes the bottom surface to be made dirty after can being attached in the non-sub-image field.
Therefore, control part 300 will be applied to 81 li of developer rolls as the development bias voltage of development conditions after waiting to control development power supply 301 according to the rotation number of lettering number of pages or photoreceptor 24, and the development bias voltage corresponding to the deterioration state of toner is controlled.Then, after the new product toner replenishing came, the rotation number of 300 pairs of lettering numbers of pages of control part or photoreceptor etc. resetted, and switched in the development bias voltage corresponding to new product toner T1.That is to say that control part 300 and development power supply 301 have constituted the development conditions change device.
Here, employing Fig. 3, Fig. 4 illustrates toner replenishing in the past.
Shown in Figure 3 is the key diagram of toner replenishing in the past.Here, because the formation of developing device 23K, C of all kinds, M, Y is all identical, so in the following description, will omit color symbol explanation.
Developing device 230 in the past is to be provided with toner replenishing mouth 89 on hopper portion 86, and has connected an end of toner conveyance flexible pipe 111 in 89 li in this toner replenishing mouth.The other end of toner conveyance flexible pipe 111 is connected in the toner supply mouth 112a above the body housing 112 that is arranged on printer.
When the user will be placed in the toner supply mouth 112a of body housing 112 as the toner cartridge 110 of the developer receptacle portion of taking in new product toner T1, the new product toner T1 in the toner cartridge 110 just fell to hopper portion 86 from toner replenishing mouth 89 by toner conveyance flexible pipe 111.Thus, toner has just been arrived 23 li of developing devices by supply.
Shown in Figure 4 is the summary pie graph of the developing device in the past 230 behind the toner replenishing.
As illustrated in fig. 4, new product toner T1 from toner cartridge 110 by unified supplies during to 86 li in hopper portion, new product toner T1 can be stacked into deterioration old toner T2 above, and on old toner T2 layer formation new product toner T1 layer.Even stir toner in the developing device by stirrer 88, the old toner T2 that also has been difficult to fully mix new product toner T1 and deterioration, therefore the formation toner T2 layer of haveing been friends in the past in the bottom of toner hopper portion just.Consequently, the image formation that toner is unified after supply has just finished is to use old toner to develop basically, when carrying out with the development bias voltage corresponding to new product toner T1, the bottom surface will take place make dirty.So, also consider to unify to carry out with the development bias voltage corresponding to old toner T2 till supply finishes to print to regulation lettering number of pages from toner.But, be difficult to correctly hold the amount that remains in the old toner T2 in the developing device by surplus testing agency 302.Be specifically, when adopting piezoelectric sensor to be used as surplus testing agency 302, when the position that disposes piezoelectric sensor with when not having the position of configuration that toning dosage biased taken place, will detect the situation that surplus is ormal weight at the stage place of Duoing than ormal weight, or locate to detect to be ormal weight in the stage of lacking than ormal weight.Also have, when adopting the infiltration type optical sensor to be used as surplus testing agency 302, when the position that disposes detection window with when not have the position of configuration that dosage biased takes place to mix colours, just can not detect correct surplus.Consequently, new product toner T1 can be used in the stage early than regulation lettering number of pages develop, or is used to develop in the stage that is later than regulation lettering number of pages.Its result can cause being difficult to carry out problems such as best bias voltage control, the rapid change of image quality meeting.
So, in the present embodiment, the posture of developing device 23 when being positioned in the printer, be with in the vertical direction up and down the posture after the counter-rotating carry out toner replenishing ground formation developing device 23.Specify as follows.
Shown in Figure 5 is the key diagram of the toner replenishing when adopting the developing device 23 of present embodiment.
It is the synoptic diagram of the appearance of surplus testing agency 302 when detecting toner surplus in the developing device and being lower than ormal weight shown in Fig. 5 (a), it is the synoptic diagram of the appearance when new product toner T1 supply is in the developing device shown in Fig. 5 (b), being the synoptic diagram of the appearance behind the new product toner replenishing shown in Fig. 5 (c), is the posture synoptic diagram when being arranged to the developing device 23 behind the new product toner replenishing in the printer shown in Fig. 5 (d).
Shown in Fig. 5 (c), the developing device 23 of present embodiment is unified supply under the state of 23 li of developing devices at new product toner T1, in posture when settling with respect to printer becomes in the vertical direction up and down during the posture (hereinafter referred to as " counter-rotating posture ") after the counter-rotating, toner replenishing mouth 89 is set more leaning in the position of vertical direction than the water plane of the toner hopper portion 86 in.Be specifically, shown in Fig. 5 (a), be to make that the sensitization side (among the figure left side) of hopper portion 86 is more side-prominent to photoreceptor from developer roll 81, and at hopper portion 86 and developer roll 81 in opposite directions and right face 90a more arranges toner replenishing mouth 89 in the outstanding position in the left side in the figure than developer roll 81.In beyond toner replenishing, in 89 li in toner replenishing mouth cover 90 is installed and blocks toner replenishing mouth 89.
Shown in Fig. 5 (a), when the toning dosage in the developing device was lower than ormal weight, surplus testing agency 302 reported to this detection and the annunciator 303 by display panel etc. and carries out toner replenishing after the user takes off developing device 23 with urgency.
The user is according to the indication of above-mentioned annunciator 303, rotates after upper cover 56 and light writes assembly 27 (with reference to Fig. 1), and developing device 23 is gone out and takes out from body to direction lira vertically upward.Then, shown in Fig. 5 (b), posture (hereinafter referred to as " normal position ") when being positioned in the printer, be in becoming developing device 23 in the vertical direction up and down the posture (counter-rotating posture) after the counter-rotating be placed into 120 li on the platform of desk etc. afterwards.The top 86a of the hopper portion 86 of developing device 23 (in becoming in the vertical direction up and down the counter-rotating after posture after following) be the face that is parallel to surface level.Therefore, even the discharged-area development assembly also can stably be placed on the surface level of platform 120 grades.
In addition, with the counter-rotating posture when being placed on developing device 23 on the platform 120, remain in the top 86a that old toner T2 in the below of hopper portion 86 just drops to hopper portion 86 (during the counter-rotating posture following) lining.
So, after posture is placed on developing device 23 on the platform 120 with counter-rotating, take off cover 90 from toner replenishing mouth 89.Then, toner cartridge 110 is arranged to opening 89 li in toner replenishing mouth.Toner replenishing mouth 89 is because be arranged on than developer roll 81 more side-prominent and in the right position, so toner cartridge 110 just can not interfere with 81 li of developer rolls, and can not be arranged to 89 li in toner replenishing mouth in opposite directions with developer roll to photoreceptor.After toner cartridge 110 is arranged to 89 li in toner replenishing mouth, pull off the not shown seal member in the sticking toner supply mouth 110a that is posted on toner cartridge 110, and the whole unified supply of new product toner T1 that will be accommodated in 110 li of toner cartridges from toner replenishing mouth 89 is to 86 li in hopper portion.
Unified supply under the state of 23 li of developing devices at new product toner T1, when developing device 23 is become the counter-rotating posture, because toner replenishing mouth 89 is arranged on water plane than the toner in the hopper portion 86 more by in the position of vertical direction, so just can come supply (Fig. 5 (c)) from toner replenishing mouth 89 all with what be accommodated in the interior new product toner T1 of toner cartridge.
Shown in Fig. 5 (c), supply to the new product toner T1 in the toner cartridge 110 be deposited in drop to hopper portion above on the old toner T2 of 86a (during the counter-rotating posture below).Then, shown in Fig. 5 (d), when turning back to developing device 23 in the normal position, just on the layer of new product toner T1, formed the layer of old toner T2.Thus, when the developing device 23 that supply is had new product toner T1 was arranged in the printer, that be full of in the bottom of hopper portion 86 was new product toner T1.When new product toner T1 is unified supply after 86 li in hopper portion, the resetting of the rotation number by 300 pairs of lettering numbers of pages of control part or photoreceptor 24 etc., and switch in the development bias voltage corresponding to new product toner T1, just can form preferable image.
In addition, after the 86 interior new product toner T1 of the stirring of the old toner T2 layer on the top of new product toner T1 layer by stirrer 88 and hopper portion mixed, old toner T2 layer had not just existed.The amount of the toner T2 that this is old will be far less than the amount of new product toner T1.Therefore, when the stirring of stirrer 88 made that old toner T2 is distributed in the new product toner T1, the characteristic of the toner in the toner hopper had been the characteristic of new product toner T1 basically just.So, even wait to control the development power supply 301 that the development bias voltage is applied to 81 li of developer rolls corresponding to the rotation number of lettering number of pages or photoreceptor 24 afterwards, also can not form the image of deterioration.
Below, describe for variation.
[variation 1]
Shown in Figure 6 is the summary pie graph of processing components 26 that includes the developing device 23 of variation 1.
As shown in Figure 6, the developing device 23 of this variation 1 includes used toner returnable 16.
As shown in the figure, used toner returnable 16 is arranged in the developing device in the side opposite with light sensitive body assembly 10.In addition, toner replenishing mouth 89 is arranged in the in opposite directions top and right position with used toner returnable 16.
Shown in Figure 7 is the mode chart that the used toner of removing by cleaning device 83 is carried out the conveyance path of conveyance.
As illustrated in fig. 7, the used toner of removing from the surface of photoreceptor 24 by the cleaning balde 83a of cleaning device 83 is gone to used toner conveyance path 14 through used toner coil 83b by conveyance.Then, obtained reclaiming after 16 li of used toner returnable by conveyance by the used toner of conveyance towards used toner conveyance path 14.
Shown in Figure 8 is summary stereographic map when used toner returnable 16 is taken off from developing device 23.
As shown in Figure 8, in the figure of used toner returnable 16, in the side of front, be provided with being reclaimed mouth 19 by the conveyance used toner that 14 interior used toners reclaim to used toner conveyance path.In addition, be filled in the paper Width and be 16 li of the used toner returnable on long limit in order to reclaim mouthfuls 19 used toners that reclaim by used toner, and in the used toner returnable, be provided with the conveyance screw rod 17 with the inboard conveyance of side direction in front of the used toner in the returnable is from figure.In addition, in the figure of the rotation axis of conveyance screw rod 17, be provided with driven wheel 18 in the inboard end.Driven wheel 18 is connected in the not shown CD-ROM drive motor as drive source that is arranged in the device body.After the driving force of not shown CD-ROM drive motor was delivered in the conveyance screw rod by means of driven wheel 18, the conveyance screw rod just rotated and will reclaim mouthful 19 used toner conveyances of reclaiming by used toner and go to the inboard of used toner returnable.
In addition, though do not illustrate, but also formed the closure that is made of sponge member etc. in around the toner replenishing mouth 89, when used toner returnable 16 was installed to 23 li of developing devices, just the top butt with used toner returnable 16 sealed toner replenishing mouth 89 afterwards.Thus, just can prevent toner from toner replenishing mouth 89 by means of spilling between developing device 23 and the used toner returnable 16.
In addition, on used toner returnable 16 with being provided with guide part 122 in side in front of the paper Width and the inboard.Also have, in developing device 23 and above the used toner returnable 16 in opposite directions and right face with being provided with the guided way 231 that guides guide part 122 in the front side of paper Width and the inboard.
Shown in Figure 9 be with used toner returnable 16 with respect to the posture in the device body in the vertical direction in the counter-rotating after the summary stereographic map.
As shown in Figure 9, the edge part 191 of used toner recovery mouth 19 is outstanding from the side 161 of used toner returnable 16.In addition, be pasted with seal member 16a for 161 li in the side of used toner returnable 16.After taking off used toner returnable 16 from developing device 23, just 161 peel seal member 16a from the side, reclaim mouthfuls 19 by the sticking card of seal member 16a being covered afterwards used toner, just can seal used toner and reclaim mouth 19.
Shown in Figure 10 is the summary pie graph in used toner conveyance path 14.Being the summary pie graph in the used toner conveyance path 14 when used toner returnable 16 is taken off from developing device 23 shown in Figure 10 (a), is the summary pie graph in the used toner conveyance path 14 when used toner returnable 16 is installed to 23 li of developing devices shown in Figure 10 (b).
As illustrated in fig. 10, in used toner conveyance path 14, be provided with driven roller 141a and tensioning frame and be located at used toner conveyance band 14a in the driven voller 141b.In the outer peripheral face in used toner conveyance path 14, equally spaced be provided with wall portion 142 along the moving direction of used toner conveyance band 14a.Wall portion 142 has the width same with bandwidth.In addition, its end face has the following height that contacts with used toner conveyance path 14 very close to each otherly.Also have, wall portion 142 has can be because of its thickness with the bendings such as friction force in used toner conveyance path 14.After counter-clockwise direction is rotated in the drawings with used toner conveyance band 14a, keep the used toner T3 that come by conveyance towards used toner conveyance path 14 by used toner coil 83b by wall portion 142, and come conveyance towards used toner receptacle 16.
Right-hand end in the figure in used toner conveyance path 14 (used toner receptacle 16 side ends) lining is provided with the connector 14b that the used toner that connects used toner receptacle 16 reclaims mouth 19.In addition, also be provided with shutter (moving back and forth) the parts 14c that this connector 14b is carried out switch.In shutter part 14c, be provided with handle portion 14c1, when taking off used toner receptacle 16 from developing device 23, the user is just by after catching behind the handle portion 14c1 on the vertical direction lira, and shutter part 14c is mobile in the vertical direction, and shown in Figure 10 (a), connector 14b is closed.Thus, after taking off used toner receptacle 16, just can suppress used toner T3 the dispersing from connector 14b in the used toner conveyance path 14.
In addition, shown in Figure 10 (b), when used toner receptacle 16 being installed to 23 li of developing devices, the user pushes away under just catching behind the handle portion 14c1 in the vertical lower, and makes shutter part 14c mobile in the vertical lower, opens connector 14b.Then, as illustrated in fig. 11, by be arranged on developing device 23 with the guided way 231 in the paper Width two ends, in guide part 122 guiding to the toner returnable, its oblique upper in the figure is moved.Then, shown in Figure 10 (b), be fitted in the connector 14b by the edge part 191 that used toner is reclaimed mouth 19, used toner returnable 16 has been fixed on 23 li of developing devices definitely with regard to the position.In addition, along with towards light sensitive body assembly 10 1 sides, be arranged on developing device 23 with the guided way 231 in the paper Width two ends be at interval gradually with narrowing down the configuration, when the guide part 122 with used toner receptacle 16 moves along guided way 231, guide part 122 and guided way 231 butts, and make used toner receptacle 16 be pressed into lightly by guided way 231.Thus, used toner receptacle 16 just has been maintained at 23 li of developing devices.
Below, describe for the toner replenishing in the variation 1.
In this variation 1, with new product toner T1 supply during to 23 li of developing devices, be to write behind the assembly 70 by open upper cover 56 and light processing components 26 pulling out from body in the vertical direction taken off.Then, be to make to move in developing device 23 in the horizontal direction.So just make that the used toner receptacle 16 that is maintained at 23 li of developing devices is also mobile in the horizontal direction with developing device 23, and reclaim the comes out of engagement of connector 14b in mouthfuls 19 edge part 191 and used toner conveyance path 14 at used toner after, make developing device 23 be separated with light sensitive body assembly 10K.Then, as illustrated in fig. 12, developing device 23 is placed on 120 li on platform with the counter-rotating posture.
Then, as illustrated in fig. 13, with used toner receptacle 16 in developing device 23 with above the used toner receptacle 16 in opposite directions and after right face slides abreast, take off from developing device 23, and seal member 16a is glued card blocked used toner recovery mouth 19 afterwards to 19 li in used toner recovery mouth.Thus, just can prevent that the used toner T3 in the used toner returnable from reclaiming mouthful 19 spill from used toner.The used toner receptacle 16 that is removed is sent in the recovery appointed place of producer's appointment.After cleaning, the equipment of the waste-toner container 16 that is reclaimed by producer by factory is reused.In addition, when used toner reclaimed mouth 19 from developing device 23 disengagings, toner replenishing mouth 89 was openings.In addition, the connector 14b that has just closed used toner conveyance path 14 after shutter part 14c is moved.
Then, as illustrated in fig. 13, be that the toner conveyance flexible pipe 111 with toner cartridge 110 is arranged to 89 li in toner replenishing mouth, and the new product toner in the toner cartridge is unified supply to 23 li of developing devices.Then, take off the toner cartridge 110 and used toner returnable 16 of sky is installed to 23 li of developing devices.When waste-toner container 16 being installed to 23 li of developing devices, not shown packaged unit and waste-toner container 16 butts in being arranged on around the toner replenishing mouth 89 made toner replenishing mouth 89 be closed afterwards.Thus, when turning back to developing device 23 in the normal position, toner just can not spill from toner replenishing mouth 89.Then, make shutter part 14c move afterwards the connector 14b in open used toner conveyance path 14, and after being fitted to the edge part 191 of used toner returnable 16 in the connector 14b developing device 23 is installed in the device body as the processing components that is assembled into 10 li of light sensitive body assemblies.
The developing device 23 of this variation 1 when developing device 23 is carried out toner replenishing, can reclaim used toner returnable 16 because include used toner returnable 16.In addition, because used toner returnable 16 is the formations that can load and unload with respect to developing device 23, so, only change used toner returnable 16 and just can carry out the processing of used toner.In addition, in the operation of factory, just can handle used toner as long as only used toner returnable 16 is sent into dust-collecting equipment.Thus, come for the formation that cannot load and unload with respect to developing device 23 compared with used toner returnable 16, just can easily carry out recovery and the processing of used toner.
In above-mentioned, though be with after light sensitive body assembly 10K separates with developing device 23, only developing device 23 is set to 120 li on platform with the counter-rotating posture, but also can separate developing device 23 and light sensitive body assembly 10K, and be set to 120 li on platform after processing components 26 become the counter-rotating posture.At this time, for connector 14b that can chimeric used toner conveyance path 14 and the edge part 191 of used toner returnable 16, be to make that the opposite is level with the in opposite directions top of used toner returnable 16 in the developing device 23.Thus, even if developing device 23 is not separated from light sensitive body assembly 10, after used toner returnable 16 is slided with respect to developing device, used toner reclaims the edge part 191 of mouth 196 and the chimeric of connector 14b in used toner conveyance path 14 separated, and just can take off used toner returnable 16 from developing device 23.
In addition, also can only make developing device 23 load and unload from device body.What at this time, need to consider is for example the connector 14b in used toner conveyance path 14 to be set in used toner conveyance path 14 top etc.In addition, at this time, the snap-fit relationship between used toner returnable 16 and the developing device 23 with the pass that approaches perpendicular to the loading and unloading direction of 23 pairs of device bodies of developing device is.Thus, as long as after making that used toner returnable 16 is slided with respect to developing device 23, just can adopt the formation of taking off from developing device 23.Be specifically, if 23 pairs of device bodies of developing device be installed as vertical direction, just can be the formation that used toner returnable 16 is slided and installed afterwards in the horizontal direction with respect to developing device 23.
[variation 2]
Shown in Figure 14 is the summary pie graph of the toner cartridge in the developing device of variation 2.
In this variation 2, be that the toner cartridge 110 behind the new product toner replenishing is used as the used toner returnable.
As shown in figure 14, except toner cartridge 110 being provided with toner supply mouth 110a in opposite directions in the right face with toner replenishing mouth 89 and toner supply port 110a being carried out the supply port shutter part 113 of switch, have and used toner returnable shown in Figure 9 16 essentially identical formations.
As shown in figure 14, when new product toner T1 is incorporated in toner cartridge 110 inside the time, toner supply mouth 110 is closed by supply port shutter part 113.In addition, reclaim 19 li in mouth at used toner, 19a closes by seal member.
Then, employing Figure 15 illustrates the toner replenishing in the variation 2.
Shown in Figure 15 (a), in order to carry out toner replenishing, be after developing device 23 is set to 120 li on platform with the counter-rotating posture, shown in Figure 15 (b), take off the toner cartridge 110 of having taken in used toner T3 from developing device 23, and shown in Figure 15 (c), the toner cartridge 100 of taking in new product toner T1 is assembled into 23 li of developing devices.Then, make behind 113 slips of supply port shutter part and the open toner supply mouth 110a, 23 li of developing devices are arrived in the new product toner T1 supplies in the toner cartridge 100.After the new product toner T1 supply, close toner supply mouth 110a after just making supply port shutter part 113 slide.In addition, reclaim mouthfuls 19 seal member 19a and pull off blocking used toner, make used toner reclaim mouthfuls 19 and after the connector 14b in used toner conveyance path 14 is communicated with, developing device 23 is installed to 10 li of device body or light sensitive body assemblies.Thus, the used toner T3 that comes from 14 conveyances of used toner conveyance path of the 110 li recovery of toner cartridge after new product toner T1 supply just.
So, by the toner cartridge 110 after the new product toner T1 supply is used, just can make the time of carrying out used toner reclaimer operation and toner replenishing operation to be shorter than variation 1 as the used toner returnable.That is to say, in variation 1, need carry out the recovery of installation, the toner cartridge after the new product toner T1 supply of recovery, the toner cartridge of used toner returnable, the operations such as assembling of empty used toner returnable.And in variation 2, the only operation of the assembling of the recovery of the toner cartridge by taking in used toner and toner cartridge just can be carried out the operation of used toner reclaimer operation and toner replenishing, compares with variation 1 and just can realize the simplification operated.
In addition, under the open situation of toner supply mouth 110a, when processing components 26 is assembled in the device body, can be turned back to 110 li of toner cartridges from toner supply mouth 111a by the new product toner of supply.So, under toner supply mouth 110a opened state, interfere aftertreatment assemblies 26 can not be installed in the device body to well to supply with outspoken door part 113.In addition, when under the situation of not peeling the seal member 19a that seals used toner recovery mouth 19 off, being installed to cartridge processing 26 in the device body, because used toner T3 can not be recovered to 110 li of toner cartridges, as long as the package seal checker that detects seal member 19a is set in device body, and when package seal checker detects sealing, report that by annunciator the content that seal member 19a is peeled in indication off gets final product.Example as package seal checker, can adopt the optical sensor of infiltration type etc., when seal member 19a is not peelled off, by the infiltration type sensor is configured in such position, namely, the part that the user catches when pulling off seal member 19a covers the position of the light of light-emitting component, just can detect having had or not of seal member 19a.
Above explanation is an example, and the present invention can both obtain distinctive effect for each mode of following (1)-(8).
(1)
A kind of developing device, it comprises:,
The developer mounting body of developer roll 81 grades, to do the surface mobile in the back from the teeth outwards with the developer mounting of toner etc. for it, and with the sub-image mounting body of photoreceptor 24 etc. in opposite directions and develop after developer replenishing is in the sub-image on the surface of sub-image mounting body in place, right development field;
The developer collecting receiving part of hopper portion 86 grades, it accommodates developer;
The developer replenishing parts of toner supplying roller 80 grades, it will remain in and supply in the described developer mounting body after developer in the bottom of developer collecting receiving part draws;
The developer supply mouth of toner replenishing mouth 89 grades, it arrives in the described developer collecting receiving part for the new product developer supply in the developer receptacle container of toner cartridge 110 grades that will take in the new product developer,
Described developing device 23 constitutes and can load and unload with respect to image forming device body, described developing device 23 under the state of the new product developer in the developer receptacle container being unified supply, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down during posture (counter-rotating posture) lining after the counter-rotating, and described developer supply mouth is configured in water plane than the developer in the described developer collecting receiving part more by in the vertical direction.
By this formation, just as ground as described in the enforcement mode, developing device 23 can be become the counter-rotating posture and carry out the supply of new product developer afterwards.By under the counter-rotating posture, carrying out the supply of new product developer, just can when the developing device 23 behind the new product developer supply being become normal position (posture when being installed in the device body) lining, make developer containing subordinate portion become the new product developer.Thus, by making the development conditions behind the new product developer supply be the development conditions corresponding to the new product developer, the sub-image on the sub-image mounting body that just can develop well.
(2)
In the developing device of mode of above-mentioned (1) record, constitute can the posture when being installed in the image forming device body be in changing in the vertical direction behind the benchmark up and down the posture after the counter-rotating be positioned on the surface level.
By this formation, just as ground as described in the enforcement mode, need not tool etc. and just can developing device 23 be arranged in the surface level with the posture of reversing.
(3)
In addition, in the developing device of mode of above-mentioned (1) or (2) record, be provided with used toner returnable 16, it accommodates the used toner that reclaims by described sub-image mounting surface.
By this formation, just as ground as described in the variation 1, can once carry out the supply of new product developer and the recovery of used toner.
(4)
In addition, in the developing device of mode of above-mentioned (3) record, described used toner returnable 16 constitutes and can load and unload with respect to described developing device.
By this formation, just as ground as described in the variation 1, be replaced by empty used toner returnable 16 by the used toner returnable 16 that will contain used toner, just can carry out the recovery of used toner.In addition, in factory, by only used toner returnable 16 being sent in the dust-collecting equipment, just can carry out the processing of used toner.Thus, can not come from the formation of developing device loading and unloading compared with the used toner returnable, just can easily carry out the processing of used toner.
(5)
In addition, in the developing device of mode of above-mentioned (4) record, by described developer receptacle container being placed in the installation site of described used toner returnable 16, new product developer in the described developer receptacle container is just gone to described developer collecting receiving part by supply by means of described developer supply mouth, and the developer receptacle container after described new product developer supply is in the described developer collecting receiving part is used as described used toner returnable.
By this formation, just as ground as described in the variation 2, the developer receptacle container of taking in the new product developer was settled in the recovery of the developer receptacle container by having taken in used toner afterwards, just can carry out that used toner is handled operation and toner replenishing is operated.
(6)
In addition, in the image processing system of the sub-image mounting body that comprises photoreceptor 24 grades of sub-image being carried out mounting and developing apparatus that the sub-image on this sub-image mounting body is developed, after remaining in the common maintenance body to major general's described sub-image mounting body and developing apparatus as an assembly, with respect to image forming device body be can processing catridge detachable in, as described developing apparatus, used the developing device of the mode of any one record in above-mentioned (1) to (5).
By this formation, just can change sub-image mounting body and developing device integratedly, and can once change consumable part.
(7)
In addition, at the sub-image mounting body that comprises photoreceptor 24 grades, be used for the image processing system that the Charging system of charged Charging system 25 etc., the sub-image that is used for writing at the light that sub-image mounting body forms electrostatic latent image assembly 27 etc. form device, are used for the developing apparatus etc. of developing electrostatic latent image is carried out in sub-image mounting surface, as developing apparatus, used the developing device of the mode of any one record in above-mentioned (1) to (5).
By this formation, the development conditions behind the new product developer supply is transformed to corresponding to after in the development conditions of new product developer, just can suppress the decline of the image quality behind the new product developer supply.
(8)
In addition, in the image processing system of mode of above-mentioned (7) record, the development conditions change device of the development conditions when being provided with deterioration state according to the developer in the described developing device and changing sub-image to described sub-image mounting body and develop, described development conditions change device, just is altered in the development conditions corresponding to the developer of new product when supply is in the described developing device at the developer of new product.
By this formation, just can suppress the decline of the image quality behind the new product developer supply.In addition, even developer uses deterioration because lasting, because be in the development conditions that is altered to corresponding to this deterioration, so just can in lasting, keep preferable image.
(9)
Come the new product developer in the developer receptacle container of toner cartridge 110 grades is unified the developer supply method of supply at the developer supply mouth from toner replenishing mouth 89 grades of the developing device that will develop after developer replenishing is in the sub-image on the surface of the sub-image mounting body of photoreceptor 24 grades, described developing device under the new product developer in the described developer receptacle container being unified the state of supply in the described developing device, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down in the posture after the counter-rotating time, the water plane that described developer supply mouth is arranged on than the developer in the described developer collecting receiving part more leans in the top of vertical direction, and comprises:
With described developing device from image forming device body take off and posture when being installed in the image forming device body be change in the vertical direction behind the benchmark in the step in the posture after the counter-rotating up and down;
Posture when being installed in described developing device in the image forming device body is the posture after the counter-rotating up and down in changing in the vertical direction behind the benchmark, the step that the new product developer is carried out supply from described developer supply mouth.
Come filling developer by this method, in the time of just can behind developer supply, transforming in the posture when being installed in the image forming device body, make that the old developer in the developing device is positioned in the vertical direction.Thus, in the time of in the posture when being installed in the image forming device body by transforming at the development section with developing device 23, be located in the downside, just can be full of development section with the new product developer, and can use the development after the new product developer carries out developer supply.
Also have, the present invention is not limited to above-mentioned embodiment, in the scope of technological thought of the present invention, except shown in aforementioned each embodiment, can also carry out suitable change to aforementioned each embodiment, the disclosure of patent specification is not limited to above-mentioned explanation.
The basis of present patent application and priority request be on Dec 28th, 2011, at the Japanese patent application JP2011-289278 of Jap.P. office application, its full content draws the do combination at this.
Claims (9)
1. developing device, it comprises:
Developer mounting body, to do the surface mobile in the back from the teeth outwards with the developer mounting for it, and with sub-image mounting body in opposite directions and develop after developer replenishing is in the sub-image on the surface of this sub-image mounting body in place, right development field;
The developer collecting receiving part, it accommodates developer;
The developer replenishing parts, it will remain in and supply in the described developer mounting body after developer in the bottom of developer collecting receiving part draws;
The developer supply mouth, it arrives in the described developer collecting receiving part for the new product developer supply in the developer receptacle container that will take in the new product developer,
It is characterized in that described developing device constitutes and can load and unload with respect to image forming device body,
Described developing device under the state of the new product developer in the described developer receptacle container being unified supply, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down in the posture after the counter-rotating time, and described developer supply mouth is configured in water plane than the developer in the described developer collecting receiving part more by in the vertical direction.
2. developing device according to claim 1 is characterized in that,
Posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down in the posture after the counter-rotating, constitutes and can be positioned on the surface level.
3. developing device according to claim 1 and 2 is characterized in that:
Be provided with the used toner returnable, it accommodates the used toner that reclaims by described sub-image mounting surface.
4. developing device according to claim 3 is characterized in that:
Described used toner returnable constitutes and can load and unload with respect to described developing device.
5. developing device according to claim 4 is characterized in that:
By described developer receptacle container being placed in the installation site of described used toner returnable, new product developer in the described developer receptacle container is just gone to described developer collecting receiving part by supply by means of described developer supply mouth, and the developer receptacle container after described new product developer supply is in the described developer collecting receiving part is used as described used toner returnable.
6. cartridge processing, it is in comprising the sub-image mounting body that sub-image is carried out mounting and the image processing system of the developing apparatus that the sub-image on this sub-image mounting body is developed, after remaining in the common maintenance body to major general's described sub-image mounting body and developing apparatus as an assembly, can load and unload with respect to image forming device body
It is characterized in that: as described developing apparatus, used any one described developing device in the claim 1 to 5.
7. image processing system, it comprises:
Sub-image mounting body;
Be used for charged Charging system is carried out in described sub-image mounting surface;
Be used for forming at described sub-image mounting body the sub-image formation device of electrostatic latent image;
The developing apparatus that is used for the described electrostatic latent image of development,
It is characterized in that, as described developing apparatus, used any one described developing device in the claim 1 to 5.
8. image processing system according to claim 7, it comprises:
The development conditions change device, it is according to the deterioration state of the developer in the described developing device, the development conditions when changing sub-image to described sub-image mounting body and developing,
It is characterized in that described development conditions change device, just is altered in the development conditions corresponding to the developer of new product when supply is in the described developing device at the developer of new product.
9. the developer supply mouth from developing device comes the new product developer in the developer receptacle container is unified the developer supply method of supply, and described developing device develops after developer replenishing is in the sub-image on the surface of sub-image mounting body, it is characterized in that,
Described developing device under the new product developer in the described developer receptacle container being unified the state of supply in the described developing device, posture when being installed in the image forming device body is in changing in the vertical direction behind the benchmark up and down in the posture after the counter-rotating time, the water plane that described developer supply mouth is arranged on than the developer in the described developer collecting receiving part more leans in the top of vertical direction, and it comprises:
With described developing device from image forming device body take off and posture when being installed in the image forming device body be change in the vertical direction behind the benchmark in the step in the posture after the counter-rotating up and down;
Posture when being installed in described developing device in the image forming device body is the posture after the counter-rotating up and down in changing in the vertical direction behind the benchmark, the step that the new product developer is carried out supply from described developer supply mouth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-005676 | 2012-01-13 | ||
| JP2012005676A JP2013145317A (en) | 2012-01-13 | 2012-01-13 | Developing unit, process cartridge, image forming apparatus, and developer supply method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103207548A true CN103207548A (en) | 2013-07-17 |
| CN103207548B CN103207548B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210577100.1A Expired - Fee Related CN103207548B (en) | 2012-01-13 | 2012-12-27 | Developing device, cartridge processing, image processing system and developer replenishing method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013145317A (en) |
| CN (1) | CN103207548B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112424698A (en) * | 2018-08-30 | 2021-02-26 | 惠普发展公司，有限责任合伙企业 | Structure for refilling toner to developing cartridge mounted in main body |
| CN112698558A (en) * | 2019-10-07 | 2021-04-23 | 佳能株式会社 | Image forming apparatus with a toner supply device |
| CN113721435A (en) * | 2020-05-25 | 2021-11-30 | 株式会社理光 | Image forming apparatus with a toner supply device |
| US12032324B2 (en) | 2019-10-07 | 2024-07-09 | Canon Kabushiki Kaisha | Image forming apparatus having toner replenishment container control |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434476A (en) * | 1990-05-30 | 1992-02-05 | Mita Ind Co Ltd | Toner replenishing container |
| JPH07325484A (en) * | 1994-05-31 | 1995-12-12 | Toshiba Corp | Developing device and processing unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05313492A (en) * | 1992-05-08 | 1993-11-26 | Ricoh Co Ltd | Image forming device |
| JPH0862925A (en) * | 1994-08-17 | 1996-03-08 | Ricoh Co Ltd | Multicolor rotary developing device |
| JP3494969B2 (en) * | 2000-10-04 | 2004-02-09 | シャープ株式会社 | Toner supply device |
| JP2002296870A (en) * | 2001-03-30 | 2002-10-09 | Canon Inc | Image forming device |
| JP4349373B2 (en) * | 2006-01-27 | 2009-10-21 | ブラザー工業株式会社 | Image forming apparatus |
-
2012
- 2012-01-13 JP JP2012005676A patent/JP2013145317A/en active Pending
- 2012-12-27 CN CN201210577100.1A patent/CN103207548B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434476A (en) * | 1990-05-30 | 1992-02-05 | Mita Ind Co Ltd | Toner replenishing container |
| JPH07325484A (en) * | 1994-05-31 | 1995-12-12 | Toshiba Corp | Developing device and processing unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112424698A (en) * | 2018-08-30 | 2021-02-26 | 惠普发展公司，有限责任合伙企业 | Structure for refilling toner to developing cartridge mounted in main body |
| CN112424698B (en) * | 2018-08-30 | 2023-07-21 | 惠普发展公司，有限责任合伙企业 | Structure for refilling toner to developing cartridge mounted in main body |
| CN112698558A (en) * | 2019-10-07 | 2021-04-23 | 佳能株式会社 | Image forming apparatus with a toner supply device |
| US12032324B2 (en) | 2019-10-07 | 2024-07-09 | Canon Kabushiki Kaisha | Image forming apparatus having toner replenishment container control |
| CN113721435A (en) * | 2020-05-25 | 2021-11-30 | 株式会社理光 | Image forming apparatus with a toner supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013145317A (en) | 2013-07-25 |
| CN103207548B (en) | 2016-01-06 |
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