CN1084892C - Image-forming apparatus - Google Patents
Image-forming apparatus Download PDFInfo
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- CN1084892C CN1084892C CN 97102595 CN97102595A CN1084892C CN 1084892 C CN1084892 C CN 1084892C CN 97102595 CN97102595 CN 97102595 CN 97102595 A CN97102595 A CN 97102595A CN 1084892 C CN1084892 C CN 1084892C
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- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Counters In Electrophotography And Two-Sided Copying (AREA)
- Paper Feeding For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
An inexpensive image forming device capable of easily processing a jam is provided. This device is provided with an image forming part for copying an image to a paper sheet to form an image, a paper feeder carrying the sheet to the image forming part, an ejecting part for loading the surface part of a paper sheet, a side cover for opening a carrying path; using the image formed on the sheet P by the image forming part, while the sheet is nearly vertically carried by the paper feeder and the sheet on which the image formed is ejected onto the surface part; the side cover is provided with an exit guide plate for guiding the sheet ejected from a fixing device to the top surface part and when the carrying path is opened by the side cover, an ejecting path for the sheet is opened by the exit guide plate.
Description
Invention field
The present invention relates to use the image processing systems such as duplicating machine, printer and facsimile recorder of electrofax mode.
Background of invention
In recent years, the image forming apparatus of compounding machines such as duplicating machine, facsimile recorder, printer is popularized.The structure of compounding machine, is installed to switching mechanism on the peripherals when duplicating machine is used as printer based on duplicating machine, and making paper can be order output with the page or leaf., recently along with the rapid of personal computer popularized, be that the equipment that main body constitutes becomes main flow just day by day with the printer.
Therefore, so-called vertical direction conveying channel mode is adopted in suggestion, and (this mode is at the bottom of device configuration paper feed, and configuration image forms part on paper feed, in the top of device configuration row paper part, transport paper vertically, discharge the paper that has formed image from apparatus surface).Compare with the duplicating machine in past, in this mode, it is very short that the conveying channel of paper becomes, can shorten output time, improve the transporting property of paper from paper supply to row's paper, and then, as long as the side cover of device for opening, most of conveying channel can be opened, and therefore, has the advantage of easily paper that blocks being removed.
In above-mentioned technology, because the drain passageway after the paper photographic fixing can not open, so when row's paper paper partly takes place blocked, the space of not blocking processing existed the problem that processing is taken time and energy very much of blocking.
In above-mentioned vertical direction conveying channel mode,, then arrange and exist following problems in the paper part if the double surface unit that is used at the two-sided formation image of paper is installed:
1. in vertical direction conveying channel mode,, double surface unit is arranged on side cover one side of blocking the device side that must open when handling owing to being installed to, so, block the property removed and degenerate.Also have, in row's paper part, need common row's paper path and two-sided conveying channel footpath, when blocking processing, even side cover is opened, common row's paper path also is in the depths in two-sided conveying channel footpath, the elimination variation of blocking on the position.
2. single-side machine and two-sided machine are made respectively and distributed row's paper part, suppose to have improved and block the property handled and reduced production lot separately that this is just relevant with the raising of cost.Also have, suppose row's paper of single-side machine and two-sided machine is partly made common, so, under the single-side machine situation unwanted parts change many, this raising with cost is relevant.
Goal of the invention
Therefore, the object of the present invention is to provide and to block processing, image processing system that cost is low at an easy rate.
Also have, other purposes of the present invention are to provide the parts that can promote single-side machine and two-sided machine to change, further realize the image processing system of cheap jointly.
The general introduction of invention scheme
The image processing system of relevant a first aspect of the present invention, comprise: the copying image that forms on the imaging body to paper, utilize the fixing device photographic fixing and form the image forming portion of image, the paper feed of the above-mentioned sheet conveying that is arranged on this image forming portion below on the above-mentioned image forming portion, be arranged on the top of above-mentioned image forming portion, row's paper part with the row's paper disc that loads above-mentioned paper, the side cover that the conveying channel of above-mentioned paper is opened, be configured on this side cover outside, make the double surface unit of above-mentioned paper turning, the paper from above-mentioned fixing device is directed to route switching member on above-mentioned row's paper disc or the above-mentioned double surface unit selectively; When transporting above-mentioned paper by means of above-mentioned paper feed substantially vertically, this image processing system utilizes above-mentioned image forming portion to form image on above-mentioned paper, the paper that has formed image is discharged to above-mentioned row's paper disc, wherein, above-mentioned side cover comprises the paper of discharging from above-mentioned fixing device two-sided with delivery guide and middle roller that above-mentioned paper is partly transported to above-mentioned double surface unit from above-mentioned row's paper to above-mentioned double surface unit guiding; Break away from above-mentioned double surface unit under the state of above-mentioned side cover, when the above-mentioned conveying channel that relies on above-mentioned side cover is opened, the above-mentioned two-sidedly drain passageway of the above-mentioned paper of above-mentioned row's paper on is partly opened with delivery guide and above-mentioned middle roller.
Relevant a second aspect of the present invention, in the described image processing system of a first aspect of the present invention, above-mentioned double surface unit is detachable to image processing system.
The image processing system of relevant a third aspect of the present invention, comprise: the copying image that forms on the imaging body to paper, utilize the fixing device photographic fixing and form the image forming portion of image, the paper feed of the above-mentioned sheet conveying that is arranged on this image forming portion below on the above-mentioned image forming portion, be arranged on above-mentioned image forming portion top, have row's paper part of the row's paper disc that loads above-mentioned paper, the side cover that the conveying channel of above-mentioned paper is opened; This image processing system utilizes above-mentioned image forming portion to form image on above-mentioned paper when transporting above-mentioned paper by means of above-mentioned paper feed substantially vertically, and the paper that has formed image is discharged to above-mentioned row's paper disc; Making the double surface unit of above-mentioned paper turning is detachable in the outside of above-mentioned side cover to image processing system; The single face that the above-mentioned paper that above-mentioned fixing device is discharged only is directed to above-mentioned row's paper disc with delivery guide and be directed to above-mentioned double surface unit two-sided exchange and load and unload with delivery guide freely be set on the above-mentioned side cover; When above-mentioned double surface unit is not installed, above-mentioned single face is installed on the above-mentioned side cover with delivery guide, when the above-mentioned conveying channel that relies on above-mentioned side cover was opened, above-mentioned single face was opened the drain passageway of above-mentioned paper with delivery guide; When above-mentioned double surface unit is installed, the route switching member is set, be used for selectively the paper from above-mentioned fixing device being directed to above-mentioned row's paper disc or above-mentioned double surface unit; Two-sidedly be installed on the above-mentioned side cover to the middle roller that above-mentioned double surface unit is transported above-mentioned with delivery guide with from above-mentioned row's paper part, break away from above-mentioned double surface unit under the state of above-mentioned side cover, when the above-mentioned conveying channel that relies on above-mentioned side cover is opened, the above-mentioned two-sidedly drain passageway of the above-mentioned paper of above-mentioned row's paper on is partly opened with delivery guide and above-mentioned middle roller.
Relevant a fourth aspect of the present invention, in relevant first, second or the described image processing system of the third aspect of the present invention, above-mentioned row's paper partly comprises the row's paper frame of arranging row's paper guide plate under paper guide plate and the support up and down that above-mentioned paper is directed to above-mentioned row's paper disc from above-mentioned fixing device, make above-mentioned row's paper guide plate down and above-mentioned row's paper framework become one-piece construction, make the outer dress lid of the above-mentioned row's of going up paper guide plate and apparatus main body constitute one-piece construction.
The image processing system of relevant a fifth aspect of the present invention comprises: the picture that forms on the imaging body is copied on the paper, utilizes the fixing device photographic fixing and form the image forming portion of image, the paper feed of the above-mentioned sheet conveying that is arranged on this image forming portion below on the above-mentioned image forming portion, be arranged on above-mentioned image forming portion top, row's paper part with the row's paper disc that loads above-mentioned paper, the side cover that the conveying channel of above-mentioned paper is opened; Transport above-mentioned paper by means of above-mentioned paper feed substantially vertically, simultaneously, utilize above-mentioned image forming portion on above-mentioned paper, to form image, the paper that has formed image is discharged to above-mentioned row's paper disc; This image processing system makes the double surface unit of above-mentioned paper turning load and unload image processing system and freely is set on the outside of above-mentioned side cover, has the route switching member drive unit that a paper from above-mentioned fixing device is directed to the route switching member on above-mentioned row's paper disc or the above-mentioned double surface unit selectively and drives this route switching member, having above-mentioned route switching member on the above-mentioned side cover and the public delivery guide that is directed to from the paper of above-mentioned fixing device on above-mentioned row's paper disc or the above-mentioned double surface unit, loading and unloading freely are provided with above-mentioned route switching member drive unit, simultaneously, above-mentioned route switching member is set, makes when the above-mentioned route switching member drive unit of disengaging, above-mentioned paper is directed on above-mentioned row's paper disc.
Relevant a sixth aspect of the present invention, in the described image processing system of a fifth aspect of the present invention, have be used for from the sheet conveying of the above-mentioned fixing device middle roller on above-mentioned row's paper disc or the above-mentioned double surface unit to drive the right middle roller drive unit of this middle roller, this middle roller pair loads and unloads freely with the middle roller drive unit and to be provided with.
Relevant a seventh aspect of the present invention, in the described image processing system of relevant a sixth aspect of the present invention, above-mentioned route switching member drive unit, above-mentioned middle roller can integrally load and unload the roller and the above-mentioned middle roller drive unit of a side.
Relevant a eighth aspect of the present invention, relevant of the present invention first, second or aspect the 5th in the described image processing system, above-mentioned side cover comprises the receiving port of the paper that the conveying channel in the back that is used to accept to overturn is from above-mentioned double surface unit along the image processing system main body is discharged.
The accompanying drawing summary
Fig. 1 is the skeleton diagram of the image processing system of expression reference example;
Fig. 2 is the row's paper part in the image processing system shown in Figure 1 and the enlarged outline map of image forming portion;
Fig. 3 is the skeleton diagram of the image processing system of expression one embodiment of the present of invention;
Fig. 4 is the row's paper part in the image processing system shown in Figure 3 and the enlarged outline map of image forming portion;
Fig. 5 is the skeleton diagram of the image processing system row paper part of expression other embodiments of the invention;
Fig. 6 is row's paper exploded perspective view partly shown in Figure 5;
Fig. 7 is the expansion planimetric map that is positioned at the major part of the middle roller supporting structure on the delivery guide;
Fig. 8 is the skeleton diagram for row's paper part single face mode structure shown in Figure 5;
Fig. 9 is that the skeleton diagram of paper mode structure is arranged in row's paper top partly shown in Figure 5;
Figure 10 is the skeleton diagram of state that the side cover of row's paper shown in Figure 5 part is opened;
Figure 11 is the skeleton diagram of row's paper part of single face mode structure;
Figure 12 is the skeleton diagram of state that the side cover of row's paper shown in Figure 11 part is opened.
The invention technical scheme is described in detail
At first, according to the reference example of Fig. 1 and Fig. 2 explanation as embodiment of the invention basis.In Fig. 1, symbol 10 presentation videos form apparatus main body, symbol 20 expressions and image processing system main body 10 splits scanner that constitute, that read original copy.
Image processing system main body 10 comprises: the image forming portion 60 that forms image, be arranged on image forming portion 60 the below, paper P is transported to paper feed 30 on the image forming portion 60, be arranged on the top of image forming portion 60, the paper P that has formed image discharged and load row's paper part 70 of getting up.
Cleaning unit 16 comprises: touch the tablet 17 of photoreceptor 11, be configured in the brush 18 of photoreceptor 11 sense of rotation downstreams one side of this tablet 17.
Touch photoreceptor 11 dubs 22 of configuration replication device 15 like that, tight between drive roller 23 and driven roller 24 this dubs 22; The resistance of dubs 22 is medium resistance, and the elastomeric material little by change in resistance constitutes.On the surface of dubs 22, use the little coating of friction factor.
On the inner peripheral surface of dubs 22, giving on the position of set a distance, dispose biased bias voltage roller 27 from the bite of photoreceptor 11 and dubs 22 to drive roller 23, make it touch the inner peripheral surface of this dubs 22.Bias voltage roller 27 is a metal rolls, and it is driven in the running of dubs 22 and rotates, and is connected on the not shown biased high-voltage power supply.
Paper feed 30 has a plurality of paper feeding cassettes 31, utilizes paper supply roller 32 to provide paper P from one of them paper feeding cassette, utilizes the separation roller that 35 paper P that provide are separated into one by one, and utilization is transported roller 36 and transported, and sends along conveying channel 33.At conveying channel 33 places, before reproducing unit 15, be configured in the given moment paper P is passed out to protection roller 34a and 34b between reproducing unit 15 and the photoreceptor 11.
Row's paper part 70 comprises: be used for from fixing device 50 paper P being directed to as the delivery guide 72 of the single face on the apparatus main body surface portion 61 of row's paper disc, last row's paper guide plate 73, under arrange paper guide plate 74, support row's paper frame 75 of row's paper guide plate 74 down, paper P is passed out to exit roller of surface portion 61 to 78.Symbol 76 expressions are used to detect the grate paper-arranaging sensor that paper P passes through.Under arrange paper guide plate 74 and integrally constitute with row's paper frame 75, on arrange paper guide plate 73 and apparatus main body outer dress lid 77 integrally constitute, these members are respectively detachable to apparatus main body.
As shown in Figure 2, be the side that center, switch freely are arranged on the conveying channel 33 that is used to open paper P, the side cover 71 that blocks processing image forming portion 60 with axle 71a.Side cover 71 is supported reproducing unit 15 and protection roller 34a.On the free end of side cover 71, be formed for meshing the groove 71b of single face with the mesh bulge 72a of delivery guide 72, single face is detachable with 72 pairs of side covers 71 of delivery guide.
Also have, near the axle 71a of side cover 71, be formed for accepting the receiving port 71c of 33 paper of discharging from the aftermentioned double surface unit along conveying channel, by being placed on its inner thin-walled flexure strip 71d, this receiving port 71c is restricted to one-way trip.
When side cover 71 from position shown in the dotted line of Fig. 2 when move the position shown in the solid line, single face also moves with delivery guide 72, and the conveying channel 33 of paper P is opened, and simultaneously, the drain passageway of the paper P behind the fixing device 50 is opened.
Scanner 20 comprises: be placed on the frame 2, be used to place the contact glass 21 of original copy, illumination is mapped to the illuminating lamp 3 that is placed on the original copy on the contact glass 21, reflected light from the original copy surface is returned the scanning reflection mirror 4 of reflection, the a pair of light path that moves with a half speed of scanning reflection mirror 4 returns catoptron 5a and 5b, imaging len 6, CCD 7.
According to above-mentioned formation, action is described.
Utilizing charged device 12 to make on the surface of photoreceptor 11 of its surperficial uniform charged, utilizing original image that 40 pairs of optical writing devices read by scanner 20 or write, forming electrostatic latent image corresponding to carrying out light from the image information of microcomputer.Electrostatic latent image on the photoreceptor 11 has been eliminated the electric charge of non-image part by means of eraser, and afterwards, in display 14,14a adheres to up charged toner by means of the video picture roller, forms visual image.
On the other hand, utilize paper supply roller 32, provide paper P, utilize and separate roller 35 and separates one by one, utilize and transport roller 36 and pass out on the conveying channel 33, be sent to the protection roller 34a and 34b from a paper feeding cassette 31 of paper feed 30.When the visual image on the photoreceptor 11 had consistent timing with paper P on the bite of photoreceptor 11 and dubs 22, the protection roller was sent to reproducing unit 15 to paper P to 34a and 34b.
The moment that enters bite with paper P is consistent, from high-voltage power supply given voltage is added on the bias voltage roller 27, makes dubs 22 charged, and the toner on the photoreceptor 11 is copied on the paper P.Here,,, pasting dubs 22 and be transported, on the position of drive roller 23, separating, be sent to fixing device 50 by curvature and dubs 22 so paper P and photoreceptor 11 are separated because paper P makes Electrostatic Absorption to dubs 22.
The paper P that has toner on it is inserted between the photographic fixing roller 51 and photographic fixing roller 52 that is heated to fixed temperature, after heat fixer, it is directed to single face with on the delivery guide 72, by last row's paper guide plate 73 and down between row's paper guide plate 74, be discharged to surface portion 61 to 78 by exit roller.
When paper P blocks, the position shown in the dotted line of side cover 71 from Fig. 2 when move the position shown in the solid line, paper P drain passageway after the conveying channel 33 of paper P and conveying channel 33 and the fixing device 50 is opened, can guarantee to block the space of processing, thus, the paper that blocks is removed get final product.
Fig. 3 and Fig. 4 illustrate one embodiment of the present of invention.But,,, omitted with regard to the repeat specification on bar structure and the function unless need especially about the part identical with above-mentioned reference example.
This embodiment has added the function that forms image on paper P two-sided to the foregoing description, promptly, be provided with the double surface unit 90 that the paper P from fixing device 50 is overturn, paper P from fixing device 50 is directed to route switching member 88 on surface portion 61 or the double surface unit 90 selectively, middle roller 89a and 89b that paper P is transported to double surface unit 90 from row's paper part 70, be provided with and paper P is directed to two-sided on surface portion 61 or the double surface unit 90 replaces single face with delivery guide 72 with delivery guide 82, the outer dress lid 87 that is provided with last row's paper guide plate 83 one replaces outer dress to cover 77; Only in these areas, the structure with the foregoing description is different.
Double surface unit 90 is configured to the outside of side cover 71, is detachable to apparatus main body, and then, as shown in Figure 4, be to be the center, to swing freely with axle 94.Double surface unit 90 is accepted the paper P that sends by means of middle roller 89a and 89b; comprise: the upset roller 91 that overturns; many groups that the paper P that overturn is transported 34a and 34b to the protection roller by two-sided path are transported roller 93; upset path 95 only allows the thin-walled flexure strip 96 that enters towards the paper P of double surface unit 90.In a single day the paper P that sends to double surface unit 90 by means of middle roller 89a and 89b enters upset path 95, just, transports to two-sided path 92 under the rollover states after walking Z-shaped route in the reverse rotation that utilizes upset roller 91.After this, paper P enters conveying channel 33 by receiving port 71c.
Route switching member 88 and middle roller 89a loaded and unloaded respectively freely be supported on row's paper guide plate 83.Route switching member 88 is by means of not shown device, on the position of paper P being guided into surface portion 61 and paper P is guided into when the double-sided copying on the position of double surface unit 90 and switch selectively.
Middle roller 89b rotation freely is supported on the free end of side cover 71, and then, two-sided mesh bulge 82a with delivery guide 82 is engaged among the groove 71b, this is two-sided to be detachable with 82 pairs of side covers 71 of delivery guide.Single face is identical with the shape of the mesh bulge 72a of delivery guide 72 in two-sided mesh bulge 82a with delivery guide 82 and the foregoing description, and freedom can exchanged and load and unload to two-sided just becoming with delivery guide 72 with single face with delivery guide 82.Whereby, in double-side type and these two kinds of image processing systems of single side, can shared side cover 71, cost is reduced.
As shown in Figure 4, break away under the state of side cover 71 in double surface unit 90, when the position shown in the dotted line of side cover 71 from Fig. 4 when move the position shown in the solid line, two-sided also mobile with delivery guide 82 and middle roller 89b, the conveying channel 33 of paper P is opened, simultaneously, the paper P drain passageway behind the fixing device 50 is also opened.
Also duplicating on the back side of paper P under the occasion of (double-sided copying); utilizing processing same as the previously described embodiments after forming image on the single face of paper P; by route switching member 88 paper P is led with delivery guide 82 along two-sided; utilize middle roller 89a and 89b to send to double surface unit 90; after in double surface unit 90, walking Z-shaped route upset; to the protection roller 34a and 34b are transported again by two-sided path 92; the image that repeats as hereinbefore forms processing, is stacked on the surface portion 61.
When paper P blocks, side cover 71 from the position shown in Fig. 4 dotted line when move the position shown in the solid line, middle roller 89b, two-sidedly move with delivery guide, the conveying channel 33 of paper P and the drain passageway of the paper P behind the fixing device 50 are opened, can guarantee to block the space of processing, thus, the clamp that blocks is removed get final product.
Secondly, according to Fig. 5～Figure 12 other embodiment of the present invention are described.The part identical with previous embodiment represented with prosign, unless need especially, omitted with regard to the repeat specification on bar structure and the function.Also have, because the integral body of device constitutes and function is same as the previously described embodiments, so, relevant part corresponding to the invention main points only is described.
As shown in Figure 6, row's paper part 100 of the image processing system shown in the present embodiment roughly comprises: be fixed in the row's paper guide plate 101 on the apparatus main body, be fixed in these row's paper guide plate 101 surfaces and determine locational grate paper-arranaging sensor support base 102, rotation is the route switching member 103 on the row's of being supported in paper guide plate 101 freely, detachable, corresponding loading and unloading unit 104 on row's paper guide plate 101 with two-sided mode, the two-sided and shared delivery guide 105 of single face.
Row's paper guide plate 101 is that one forms (integral body) by compression molding the part of the upper and lower row's paper guide plate that is equivalent to previous embodiment, has the stator 106 that is used for fixing on apparatus main body at its two ends.On these stators 106, be formed for the protruding 106a of the position of definite grate paper-arranaging sensor support base 102.Also have, on row's paper guide plate 101 exit roller 107 and 108 is arranged, on the end (depths beyond) of the turning axle 109 of exit roller 107, input gear 110 was from the drive source input power of apparatus main body above input gear 110 was fixed on.
On grate paper-arranaging sensor support base 102, have and be used to detect the grate paper-arranaging sensor 111 that paper P passes through.
On loading and unloading unit 104, form and the corresponding top ejection ports 114 such as mailbox that are placed on the apparatus main body top, thereunder have rotation top route switching member 115 freely.Arm 116 is fixed on the route switching member FS turning axle 115a in 115 fronts of top, and this arm 116 can be connected on the movable core 118 of solenoid 117 rotatably, and solenoid 117 is fixed on the FS side plate in loading and unloading 104 fronts, unit.The spring 119 that top route switching member 115 is returned on the given position (row's paper position, top) often is fixed between the bottom and side plate of arm 116.
On the FS side plate in loading and unloading 104 depths, unit, have solenoid 120 as route switching member drive unit, pressing tablet 122 can be connected on the movable core 121 of this solenoid 120 rotatably, and pressing tablet 122 is used to connect the bottom of the operating sheet 112 that presses solidly on route switching member 103.Pressing tablet 122 freely is supported on the side plate by integrally formed axle 122a rotation.
Both sides in loading and unloading 104 fronts, unit are formed for determining the protruding 104a of position of row's paper guide plate 101 and the screw 104b that screw fixed is used.Also have,, realize the thread connection between these two members by at hole 102a that forms on grate paper-arranaging sensor support base 102 back side beyonds and the hole 104b that on two-sided mode unit 104 front beyonds, forms.
Because middle roller 123 and driven wheel 125 are integrally to be arranged on the loading and unloading unit 104, so it is integrally detachable that 125 couples of rows of middle roller 123 and driven wheel paper guide plate 101 promptly installs main body.
On the two ends of delivery guide 105, integrally be formed for being fixed in the stator 105a on the aftermentioned side cover 128, on the surface, in a longitudinal direction, form a plurality of guiding ribs of two types with a certain interval.Also have, on delivery guide 105, form recess 131, wherein, receiving and keeping and to rotate and driven middle roller 132 detachable, that become the right opposite side of middle roller.Two ends at recess 131, fixing the support plate 133 and 134 of the turning axle 135 of supporting middle roller 132 respectively, by the bearing 137 that is present in the spring 136 between support plate 133 and 134 and supports, under the state on the middle roller 123 that is crimped onto loading and unloading unit 104 sides, support by a support plate 134.As shown in Figure 7, set the rooved face of the support plate 133 of the front end of supporting rotating shaft 135 narrowlyer, become to can riveted than the diameter of turning axle 135 front ends.
Said structure is the structure of two-sided mode, under the occasion of this double-sided copying, as shown in Figure 5, the solenoid 117 of solenoid 120 that drives route switching member 103 and driving top route switching member 115 is connected (ON) together.When solenoid 120 is connected, by pressing tablet 122 pressing operation sheets 112, be accompanied by this and push, route switching member 103 from the single face mode location positioning of given position on the position of two-sided mode.Also have, when solenoid 117 is connected, arm 116 rotations, top route switching member 115 is accompanied by this rotation, arranges the paper location positioning on the position of two-sided mode from the top of given position.Like this, be formed into the drain passageway R1 of double surface unit, the paper P from fixing device 50 outputs is sent to double surface unit.
As shown in Figure 5, on side cover 128, similarly form receiving port 128a with previous embodiment.
Also have by leaf spring 138 below exit roller 108 is crimped onto on top exit roller 107.
Though above-mentioned receiving port 128a not necessarily must form on side cover 128,, by on side cover 128, forming, can suppress the height of double surface unit, help double surface unit and then be the miniaturization of device.
As shown in Figure 8, corresponding to the rotary movement of paper P in the double surface unit, solenoid 120 and solenoid 117 are cut off (OFF).When solenoid 120 is cut off, utilize the elastic force of spring 113, route switching member 103 is returned on the single face mode position of given position.Like this, formed drain passageway R2, being discharged to surface portion (symbol 61 the previous embodiment) from fixing device 50 paper P output, double-sided copying to the apparatus main body surface portion.
As shown in Figure 9,, only solenoid 120 is connected, route switching member 103 is positioned on the position of two-sided mode under the occasion of discharges such as mailbox.Because being in given position, promptly arranges on the position of paper mode the top top route switching member 115, so, form drain passageway R3 upward, the paper P from fixing device 50 outputs is sent to mailbox etc.
Figure 10 shows and open side cover 128 in the structure of two-sided mode shown in Figure 5, guaranteed to block the state of handling the space.
As shown in figure 11, under the occasion of using as single face mode equipment, the member that only is used for two-sided mode is is promptly loaded and unloaded unit 104 and middle roller 132 removes.When loading and unloading unit 104 is removed, promptly when making solenoid 120 as route switching member drive unit break away from apparatus main body, because utilize the elastic force of spring 113 that route switching member 103 is positioned on the given position always, so, the structure of single face mode automatically formed.
Like this, the route switching member 103 of the part of the drain passageway R2 when being provided as the single face mode, simultaneously, make delivery guide 105 and side cover 128 as a whole, become the common component of single face and two-sided mode, and make the parts (solenoid 120 etc.) that only are used for two-sided mode become detachable structure.By following manner, can reduce in mode is switched, exchange the waste aspect the member function repetition.
Figure 12 shows in the structure of single face mode shown in Figure 11 and opens side cover 128, guaranteed to block the state of handling the space.
Relevant a first aspect of the present invention, because when relying on the transporting path and open of side cover, two-sided With delivery guide and middle roller the drain passageway of the paper in row's paper part is opened, so, namely The image that transports the path mode in vertical direction is formed in the device double surface unit has been installed, also can Guarantee to arrange blocking of paper part and process the space.
Relevant a second aspect of the present invention is to load and unload certainly because make double surface unit form device to image By, so the processing of blocking of the row's of making paper part has become easily.
Relevant a third aspect of the present invention, two-sided with delivery guide pair because single face is made peace with outlet guide Side cover is exchange and detachable, so, can be in single side and these two kinds of types of double-side type Share side cover, can seek to reduce cost.
Relevant a fourth aspect of the present invention, because the row's of making paper guide plate and row's paper frame make overall structure, And the exterior lid of the row's of making paper guide plate and apparatus main body makes overall structure, so, can make single face The change of the row's paper part in type and the single side partly reduces to Min., and can make shared part Change is many, so, can seek to reduce cost.
Relevant the 5th to the 7th aspect of the present invention is dress because make the member that only is used for two-sided mode Unload freely structure, so the function that can reduce in a large number the exchange member in being switched by mode is heavy The multiple structural waste that causes can seek to reduce the cost that exchanges member.
Relevant a eighth aspect of the present invention is because be formed for accepting from the double surface unit edge at side cover The structure of the acceptance mouth of the paper that transports the path discharge in the device main body, so, except above-mentioned Beyond the effect, also has the advantage that double surface unit is diminished.
Claims (7)
1. image processing system, comprise: the copying image that forms on the imaging body to paper, utilize the fixing device photographic fixing and form the image forming portion of image, the paper feed of the described sheet conveying that is arranged on this image forming portion below on the described image forming portion, be arranged on the top of described image forming portion, row's paper part with the row's paper disc that loads described paper, the side cover that the conveying channel of described paper is opened, be configured on this side cover outside, make the double surface unit of described paper turning, the paper from described fixing device is directed to route switching member on described row's paper disc or the described double surface unit selectively; It is characterized in that: also detachable on the row's of being included in paper guide plate, corresponding loading and unloading unit with two-sided mode; When transporting described paper by means of described paper feed substantially vertically, this image processing system utilizes described image forming portion to form image on described paper, the paper that has formed image is discharged to described row's paper disc, wherein, described side cover comprises the paper of discharging from described fixing device two-sided with delivery guide and middle roller that described paper is partly transported to described double surface unit from described row's paper to described double surface unit guiding; Break away from described double surface unit under the state of described side cover, when the described conveying channel that relies on described side cover is opened, described two-sidedly with delivery guide and described middle roller the drain passageway of the described paper on described row's paper part is opened, described double surface unit is detachable to image processing system.
2. image processing system, comprise: the copying image that forms on the imaging body to paper, utilize the fixing device photographic fixing and form the image forming portion of image, the paper feed of the described sheet conveying that is arranged on this image forming portion below on the described image forming portion, be arranged on described image forming portion top, have row's paper part of the row's paper disc that loads described paper, the side cover that the conveying channel of described paper is opened; This image processing system utilizes described image forming portion to form image on described paper when transporting described paper by means of described paper feed substantially vertically, and the paper that has formed image is discharged to described row's paper disc; It is characterized in that: also detachable on the row's of being included in paper guide plate, corresponding loading and unloading unit with two-sided mode; Making the double surface unit of described paper turning is detachable in the outside of described side cover to image processing system; The single face that the described paper that described fixing device is discharged only is directed to described row's paper disc with delivery guide and be directed to described double surface unit two-sided exchange and load and unload with delivery guide freely be set on the described side cover; When described double surface unit is not installed, described single face is installed on the described side cover with delivery guide, when the described conveying channel that relies on described side cover was opened, described single face was opened the drain passageway of described paper with delivery guide; When described double surface unit is installed, the route switching member is set, be used for selectively the paper from described fixing device being directed to described row's paper disc or described double surface unit; Two-sidedly be installed on the described side cover to the middle roller that described double surface unit is transported described with delivery guide with from described row's paper part, break away from described double surface unit under the state of described side cover, when the described conveying channel that relies on described side cover is opened, the described two-sidedly drain passageway of the described paper of described row's paper on is partly opened with delivery guide and described middle roller.
3. according to the image processing system described in claim 1 or 2, it is characterized in that, above-mentioned row's paper partly comprises the row's paper frame of arranging row's paper guide plate under paper guide plate and the support up and down that described paper is directed to described row's paper disc from described fixing device, make described row's paper guide plate down and described row's paper framework become one-piece construction, make the outer dress lid of the described row's of going up paper guide plate and apparatus main body constitute one-piece construction.
4. image processing system, comprise: the picture that forms on the imaging body is copied on the paper, utilizes the fixing device photographic fixing and form the image forming portion of image, the paper feed of the described sheet conveying that is arranged on this image forming portion below on the described image forming portion, be arranged on described image forming portion top, have row's paper part of the row's paper disc that loads described paper, the side cover that the conveying channel of described paper is opened; Transport described paper by means of described paper feed substantially vertically, simultaneously, utilize described image forming portion on described paper, to form image, the paper that has formed image is discharged to described row's paper disc; It is characterized in that: also detachable on the row's of being included in paper guide plate, corresponding loading and unloading unit with two-sided mode; This image processing system makes the double surface unit of described paper turning load and unload image processing system and freely is set on the outside of described side cover, has the route switching member drive unit that a paper from described fixing device is directed to the route switching member on described row's paper disc or the described double surface unit selectively and drives this route switching member, having described route switching member on the described side cover and the public delivery guide that is directed to from the paper of described fixing device on described row's paper disc or the described double surface unit, loading and unloading freely are provided with described route switching member drive unit, simultaneously, described route switching member is set, makes when the described route switching member drive unit of disengaging, described paper is directed on described row's paper disc.
5. according to the image processing system described in the claim 4, it is characterized in that, have be used for from the sheet conveying of described fixing device to exit roller of described row's paper disc to or described double surface unit on middle roller to drive the right middle roller drive unit of this middle roller, this middle roller pair loads and unloads freely with the middle roller drive unit and to be provided with.
6. according to the image processing system described in the claim 5, it is characterized in that described route switching member drive unit, described middle roller can integrally load and unload the roller and the described middle roller drive unit of a side.
7. according to the image processing system described in claim 1 or 4, it is characterized in that,
Described side cover comprises the receiving port of the paper that the conveying channel in being used to accept to overturn afterwards from described double surface unit along the image processing system main body is discharged.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51903/96 | 1996-03-08 | ||
| JP5190396 | 1996-03-08 | ||
| JP9755/97 | 1997-01-22 | ||
| JP00975597A JP3877367B2 (en) | 1996-03-08 | 1997-01-22 | Image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1161481A CN1161481A (en) | 1997-10-08 |
| CN1084892C true CN1084892C (en) | 2002-05-15 |
Family
ID=26344542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97102595 Expired - Fee Related CN1084892C (en) | 1996-03-08 | 1997-03-07 | Image-forming apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3877367B2 (en) |
| CN (1) | CN1084892C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373620A (en) * | 2012-04-26 | 2013-10-30 | 佳能株式会社 | Sheet conveying apparatus and image forming apparatus |
| CN107145048A (en) * | 2016-03-01 | 2017-09-08 | 京瓷办公信息系统株式会社 | Image processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3981230B2 (en) | 2000-01-21 | 2007-09-26 | シャープ株式会社 | Image forming apparatus |
| JP4312442B2 (en) * | 2002-10-11 | 2009-08-12 | シャープ株式会社 | Image forming system and image forming apparatus |
| JP2004189385A (en) * | 2002-12-10 | 2004-07-08 | Murata Mach Ltd | Invert carrying unit and image forming apparatus |
| JP2004189384A (en) * | 2002-12-10 | 2004-07-08 | Murata Mach Ltd | Invert carrying unit and image forming apparatus |
| JP4323938B2 (en) * | 2003-12-10 | 2009-09-02 | キヤノン株式会社 | Image forming apparatus |
| JP4498076B2 (en) | 2004-09-07 | 2010-07-07 | キヤノン株式会社 | Image forming apparatus |
| JP4894352B2 (en) * | 2006-05-23 | 2012-03-14 | 富士ゼロックス株式会社 | Image forming apparatus |
| JP2010032886A (en) * | 2008-07-30 | 2010-02-12 | Sharp Corp | Image forming apparatus |
| JP5347860B2 (en) * | 2009-09-14 | 2013-11-20 | 村田機械株式会社 | Image forming apparatus |
| JP5549312B2 (en) * | 2010-03-26 | 2014-07-16 | 富士ゼロックス株式会社 | Fixing apparatus, single-sided image forming apparatus, and double-sided image forming apparatus |
| JP5353796B2 (en) * | 2010-03-31 | 2013-11-27 | コニカミノルタ株式会社 | Image forming apparatus |
| JP5817111B2 (en) * | 2010-12-15 | 2015-11-18 | 株式会社リコー | Opening / closing mechanism and image forming apparatus |
| EP3454135B1 (en) * | 2017-09-06 | 2022-05-11 | Canon Kabushiki Kaisha | Image forming apparatus |
| JP7473866B2 (en) * | 2019-12-24 | 2024-04-24 | 株式会社リコー | Recording medium conveying device and image forming apparatus |
-
1997
- 1997-01-22 JP JP00975597A patent/JP3877367B2/en not_active Expired - Lifetime
- 1997-03-07 CN CN 97102595 patent/CN1084892C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103373620A (en) * | 2012-04-26 | 2013-10-30 | 佳能株式会社 | Sheet conveying apparatus and image forming apparatus |
| CN103373620B (en) * | 2012-04-26 | 2016-08-31 | 佳能株式会社 | Sheet conveying apparatus and imaging device |
| CN107145048A (en) * | 2016-03-01 | 2017-09-08 | 京瓷办公信息系统株式会社 | Image processing system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3877367B2 (en) | 2007-02-07 |
| JPH09297440A (en) | 1997-11-18 |
| CN1161481A (en) | 1997-10-08 |
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