CN1223389A - Image forming apparatus - Google Patents
Image forming apparatus Download PDFInfo
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- CN1223389A CN1223389A CN 98115284 CN98115284A CN1223389A CN 1223389 A CN1223389 A CN 1223389A CN 98115284 CN98115284 CN 98115284 CN 98115284 A CN98115284 A CN 98115284A CN 1223389 A CN1223389 A CN 1223389A
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Abstract
The present invention provides an image forming apparatus. The image forming apparatus has an image forming unit disposed within a main body and adapted to form an image on a recoding sheet, a recording sheet supply device for supplying the recording sheet to the image forming units, a stacking portion on which recorded recording sheets are discharged and stacked, an image reading unit for reading an original sheet, and an original supply device for supplying the original sheet to the image reading unit. The stacking portion for the recording sheets intersects with a supply path for the original sheet.
Description
The present invention relates to that a kind of image forming apparatus-such as facsimile recorder, duplicating machine etc., it has improved paper sheet delivery path.
As an example of traditional image forming apparatus, a kind of facsimile equipment is described in conjunction with Fig. 7.Fig. 7 has shown a kind of facsimile equipment as image forming apparatus, has wherein adopted a kind of sheet convey apparatus L at the paper discharge unit (discharge unit) that is used for discharging paper.
In Fig. 7, facsimile equipment comprises a main body or framework 101, assembly lid 102-it also as original paper superimposed panel that can stacked a plurality of original paper S on it, a visual reading section 103 that is used to read the picture information on the original paper S, a pen recorder (laser beam printer) 104, an original paper transport portion 105, an original paper force part 106, a contact-type image sensor 107, an original paper discharging pallet 108, a laser scanner 109, an image formation department branch (image processing system) 110, one is manually inserted paper feeding part 111, the recording paper that faces down discharges pallet 112-, and it comprises the paper discharging pallet 156 of a sheet convey apparatus L, a tape drum part 113, a recording paper carrying path switches trap 114, the guides 115 that faces down, go up original paper guides 116 for one, a following original paper guides 117, an operation part 125, a display part 126, a conveying guides 127, a bonnet 128, and conveying roller 129.
In visual reading section 103, at first being stacked in original paper (paper) S on the original paper superimposed panel 102 is separated one by one with a separate roller 119 to friction member 118 application of forces by a friction member 118 and provides, subsequently, the original paper that separates is transported to contact-type image sensor 107 by the secondary roller 121 of a paper feeding that is subjected to force application spring 120 application of forces with to a paper feeding roller 122 of secondary roller 121 application of forces of paper feeding, and original paper is against on the contact-type image sensor 107 in the original paper force part 106 subsequently, reads thereby make picture information on the original paper S be touched type image sensor 107.Subsequently, original paper S discharges secondary roller 123 by the paper that is subjected to force application spring 120 application of forces and is against paper and discharges a paper discharging roller 124 on the secondary roller 123 and be discharged on the original paper discharging pallet 108.Simultaneously, original paper S is subjected to the guiding of upper and lower original paper guides 116,117.
Original paper superimposed panel 102 has can be along the slider 102a of a direction vertical with the throughput direction of original paper S (original paper Width) slip.The both sides that are stacked in the original paper S on the original paper superimposed panel 102 can both be in alignment with each other by slider 102a.When original paper S was longer, the rear portion of original paper S can be prevented from outstanding and hang from original paper superimposed panel 102 by an original paper pallet 102b.
In pen recorder 104, from a laser beam generating device 109a of laser scanner 109 in response to a kind of from a control section output picture intelligence and send a kind of modulation signal (modulated beam of light), and this modulated beam of light (with the form of scanning light beam) shines image formation department by a mirror polygon 109b and divides on 110 the photosensitive drums 110a, thereby forms picture information on photosensitive drums 110a.Be transferred and be fixed in this picture information and be provided to from manual insertion paper feeding part 111 or tape drum part 113 after image formation department divides on 110 the recording paper P, recording paper P is discharged on the recording paper stacked tray 112.
Around image formation department divides 110 photosensitive drums 110a, be provided with one and shift charger 110f.In addition, in a recording paper carrying path in the downstream that is in photosensitive drums 110a, be provided with a heat-fixing device 110g, a pair of discharging roller 110h and rubber rollers 152 and a pinch roll 154 (a pair of downward paper discharging roller by sheet convey apparatus L is formed).
Be transferred after charger 110f transfers on the recording paper P at the lip-deep toner image that is formed on photosensitive drums 110a, recording paper is along carrying guides 127 to be transported to heat-fixing device 110g, there toner image by photographic fixing to recording paper.Subsequently, recording paper is sent to the discharging roller to 110h.Operator selectable is selected in two recording paper output modes (so-called " discharge mode faces down " and " towards last discharge mode ").The discharge mode that faces down is meant the pattern that recording paper wherein is discharged by page or leaf in proper order with the imaging surface down, thereby and is meant that towards last discharge mode a kind of like this pattern-promptly wherein recording paper makes the content of output in sight or definite mode obtain discharging during emissions operation with the imaging surface up.These patterns can be switched trap 114 by moving recording paper sheet delivery path and switch carrying path, and obtain switching.
Fig. 7 has shown that equipment is in the state of the discharge mode that faces down.Under this state, the recording paper P that upwards draws by trap 114 obtains guiding along the guides 115 that faces down, and is discharged into the recording paper that faces down by rubber rollers 152 and pinch roll 154 (by the paper discharging roller that faces down to forming) subsequently and discharges on the pallet 112.
When the operator had selected towards last discharge mode, trap 114 switched the lever (not shown) by one and obtains switching, thereby makes original paper be disposed to original paper discharging pallet 108.Original paper discharging pallet 108 also is used as towards last discharging pallet, and makes with tinsel, thereby even also can feel in the front side of equipment what barrier is arranged hardly when making the operator stand in equipment the place ahead.
Tape drum part 113 is set at the bottom of main body 101.Be included in a record pile P in the tape drum container 131, be against on the separate roller 160 by upwards rotating an intermediate plate 136, thereby recording paper P can be separated one by one by a separating pad 173 (friction member piece-rate system) by a carry arm (supply power generator) 138.The recording paper that separates obtains along a separation guides 175 carrying, and is transferred roller 129, is arranged on a lid side U-shaped guides 128a on the bonnet 128 and a main body side U-shaped guides 128b who is arranged on the main body 101 reverses.
Supplying operating period, the end of recording paper P is detected by a registration detecting device 128c.After thereby the adjusted end that makes the end that is formed on the toner image on the photosensitive drums 110a and recording paper P of a paper feeding sequential and visual output timing aligned, recording paper was transported to a roll gap that shifts between charger 110f and the photosensitive drums 110a.It is on the surface of lower surface when this paper is in the tape drum part 113 that image is recorded in recording paper.
The transverse edge of recording paper P and back edge can be regulated by a mobile width adjustment plates 133 and a rearward end adjustable plate 134 according to the size of recording paper, thereby prevent that the asymmetric of recording paper from sending to and bad conveying.Recording paper can be about 250 (opening) by stacked number, and the tape drum part can be towards the front side withdrawal (preceding loaded type) of equipment.Three kinds of paper with A4 size, LTR size and Regal size can be used to this equipment.In addition, in Fig. 7, rearward end adjustable plate 134 is placed in and the corresponding position of LTR size paper.
Manually inserting paper feeding part 111 is placed on the bonnet 128.Inserting a recording paper P who manually inserts paper feeding part 111 is set at conveying roller 129 on the U-shaped guides 128b and secondary roller 1281 and delivers to image formation department and divide 110.Main body 101 has opening/closing assembly lid 102.When assembly lid 102 was opened, record assembly 110e can be changed by a new assembly.
In the facsimile equipment that shows, assembly lid 102 has interlock, thereby makes pen recorder 104 be opened or write down and can not operate when assembly 110e is not installed in the main body 101 at assembly lid 102.
A drum exposure of writing down assembly 110e prevents that shutter (not shown) and record assembly 110e from synchronously obtaining operating with respect to the setting of main body 101.That is, shutter is opened when assembly lid 102 is opened and writes down assembly 110e and be installed in the main body 101; And be closed by shutter when main body 101 is pulled down as record assembly 110e, thereby prevented undesirable exposure of photosensitive drums 110a.
During recording operation, if paper stops up, the recording paper P that is stopped up by main body 101 can by open assembly lid 102, bonnet 128, face down guides 115 or tape drum part 113 be removed.In the image sensor 107 of contact-type, be mapped on the imaging surface of original paper S from the illumination of led array (light source), and converge on the detector element by a SELFOC (trade mark) lens, thereby read picture information from the light of imaging surface reflection.
As mentioned above, in traditional image forming apparatus, proposed to be arranged on the reading system in register system front side (left side among Fig. 7).
Yet, in above-mentioned conventional example,, must keep a space in the front side of equipment owing to be stacked on the outstanding pallet of slave unit by the original paper of reading section.In addition, if the original paper of discharging is in its original state, because inaccessible operation part, operability will worsen.
If remove pallet, the compactness though equipment becomes, the good arrangement of the original paper of discharging can not be guaranteed, and the order of page or leaf is with destroyed.In addition, the equipment that shows for Fig. 7, towards under the discharge mode, because original paper and recording paper all be stacked in the pallet, so original paper and recording paper may be mixed.
The present invention will eliminate above-mentioned traditional shortcoming, and the purpose of this invention is to provide a kind of image forming apparatus one wherein under the situation that does not increase size of equipment own and requisite space operability can improve.
First aspect present invention relates to a kind of image forming apparatus, it is characterized in that: be arranged in the main body and be suitable on recording paper forming the image processing system of image; A recording paper feeding mechanism is used for providing recording paper to this image processing system; An overlapping part, the recording paper after the record is discharged with thereon stacked; An image reading apparatus is used to read original paper; And the original paper feeding mechanism, be used for original paper is provided to image reading apparatus;
The overlapping part that wherein is used for recording paper intersects with the feed path that is used for original paper.
Second aspect present invention is characterised in that and is used for the front portion that the stacked device of recording paper that the stacked stacked device of recording paper that does not also form the recording paper of image on it is set at the rear portion of main body and overlapping part is set at main body, and image processing system is set between the stacked device of recording paper and image reading apparatus is set on the image processing system.
Third aspect present invention be characterised in that further comprise an original paper pallet-it can around along with the original paper supplier to the rotating shaft that vertical direction is extended wave and can withdraw forward under the user mode main body and turning back under the non-working condition image reading apparatus above, and wherein the original paper pallet is crossing with overlapping part.
Fourth aspect present invention is characterised in that the original paper pallet is folding.
Fifth aspect present invention is characterised in that the original paper pallet has the opening/closing lid that is arranged on the intersection and allows recording paper by being formed with image under the original paper pallet is withdrawn the state of main body forward during the original paper read operation on-this recording paper.
Sixth aspect present invention is characterised in that the opening/closing lid is rotated by a drive unit that is used for image reading apparatus, and the rotation direction of drive unit and its direction of rotation during the original paper read operation.
Seventh aspect present invention is characterised in that this image processing system comprises: an electronic photography photosensitive-member; An exposure component is used for forming a latent image on this photosensitive-member; A developing apparatus, this latent image that is used to develop is to form a developed image; A transfer device is used for developed image is transferred to paper; And a fixing device, be used for shifting visual photographic fixing to paper.
Eighth aspect present invention is characterised in that further and comprises: a paper separates and feeding mechanism, and it is arranged between the bottom and image processing system of the stacked device of recording paper; And a recording paper guides, be arranged on the downstream of image processing system along sheet transport direction.
Ninth aspect present invention is characterised in that the recording paper guides has a switching device shifter, is used for switching selectively the vent pathway of guides, recording paper is guided into the place ahead of stacked device of recording paper or main body.
Tenth aspect present invention is characterised in that image reading apparatus comprises a feeding mechanism and an image sensor that is used to read the information on the original paper that is provided that is used to provide original paper.
The present invention the tenth is characterised in that on the one hand and further comprises a stacked device of original paper that is arranged on the downstream of image reading apparatus and is suitable for stacked original paper.
The present invention the 12 aspect is characterised in that and further comprises an operation part that is used to form image that is arranged on the image reading apparatus top.
The present invention the 13 aspect is characterised in that wherein the stacked device of recording paper of overlapping part can be opened and closed, and when the stacked device of recording paper was opened, image processing system can be removed.
The present invention the 14 aspect is characterised in that the paper sheet delivery path obtains exposing when image processing system is removed.
According to the present invention, the vent pathway of the vent pathway by making recording paper (being formed with image on it) and the feed path of original paper intersects, and the size of equipment can be reduced.
In addition, owing to be used for providing the original paper pallet of original paper to be folded to the original paper reading device, so the size of equipment can further be reduced, and the operation part on the top of original paper reading device can be covered by the original paper pallet, thereby when equipment is used as printer, because not covered by pallet with button of operation part, operating performance is improved.
By the opening/closing lid is provided on the original paper pallet, even when the original paper pallet is opened, also can realize the discharging that faces down, thereby increase operator's range of choice.In addition, when original paper was placed on the original paper pallet, owing to the discharging that realized facing down by switching recording paper vent pathway, paper can promptly be exported.
Fig. 1 is the cut-open view of the image forming apparatus of a most preferred embodiment according to the present invention;
Fig. 2 and 3 is key diagrams, is used for illustrating the paper sheet delivery according to the image forming apparatus of most preferred embodiment;
Fig. 4 A is the stereographic map according to the original paper supplies trays of the image forming apparatus of most preferred embodiment, and Fig. 4 B is synoptic diagram, has shown the gear set that comprises clutch coupling;
Fig. 5 is the control block diagram according to the image forming apparatus of most preferred embodiment;
Fig. 6 is a synoptic diagram, is used to explain the printing according to the image forming apparatus of most preferred embodiment; And
Fig. 7 is the cut-open view of traditional facsimile equipment.
(first embodiment)
Below in conjunction with accompanying drawing and its most preferred embodiment the present invention is described.
Fig. 1 to 3 has shown the facsimile equipment according to sheet convey apparatus of the present invention.
In Fig. 1 to 3, this facsimile equipment comprises: main body or framework 1; An assembly lid 2, it is also as discharging pallet with the paper of stacked many recording papers of the mode of facing down on it; A visual reading section 3 is used to read the picture information on the original paper S; A pen recorder (laser beam printer) 4; An original paper transport portion 5; An original paper force part 6; A contact-type image sensor 7; An original paper discharging guides 8; A laser scanner 9; An image formation department branch (image processing system) 10; A recording paper supply section 11; A recording paper carrying path switches trap 12, and it can wave around a rotating shaft 12a; Go up original paper guides 13 for one; A following original paper guides 14; An operation part 15; A display part 16; And, a conveying roller 17.
In visual reading section 3, at first separates and provide one by one being stacked in original paper S on the collapsible original paper superimposed panel 18 with a separate roller 20 on being against this friction member, and the original paper that separates subsequently is by by the secondary roller 21 of the paper feeding of a force application spring application of force be against the paper feeding roller 22 on the paper feeding pair roller 21 and be transported to contact-type image sensor 7 by a friction member 19.Original paper is against on the contact-type image sensor 7 in original paper force part 6, reads thereby make picture information on the original paper S be touched type image sensor 7.Subsequently, original paper S discharges paper discharging roller 24 on the secondary roller 23 by being discharged secondary roller 23 by the paper of the force application spring application of force and being against paper, is discharged on the original paper discharging guides 8.Simultaneously, original paper S is subjected to the guiding of original paper guides 13,14 up and down.
Following original paper guides 14 is provided with can be along the slider 25 of the direction vertical with the throughput direction of original paper S (original paper Width) slip.Be stacked on the original paper superimposed panel 18, can to the place ahead of equipment extend two transverse edges of original paper S, can be in alignment with each other by slider 25.
In pen recorder 4, a modulation signal (modulated beam of light), in response to picture intelligence from a control section 301 (with reference to Fig. 5) output, and emit from a laser beam generating device of laser scanner 9, and the light beam of modulation shines image formation department by a mirror polygon 9b and divides on 10 the photosensitive drums 10a, thereby forms picture information on photosensitive drums 10a.
Around image formation department divides 10 photosensitive drums 10a, be provided with one and shift charger 10f.In addition, in a recording paper carrying path in the downstream that is in photosensitive drums 10a, be provided with a heat-fixing device 10g, a pair of discharging roller 10h and rubber rollers 52 and a pinch roll 54 (a pair of paper discharging roller that faces down by sheet convey apparatus L is formed).
Photosensitive drums 10a integrally is included among the record assembly 10e (it is installed on the main body 1 in removable mode) with one first charger, a developer roll 10c and a cleaning blade (not shown).Charged equably by this first charger in the surface of photosensitive drums 10a.When the scanning light beam from mirror polygon 9b shines on the charging surface of photosensitive drums by a catoptron 9c, on photosensitive drums, formed a latent image.This latent image becomes visible toner image by the toner that provides from developer roll 10c.
Toner image on being formed on photosensitive drums 10a is transferred after charger 10f transfers on the recording paper P, and this recording paper is by along carrying guides 27 to be transported to heat-fixing device 10g, there toner image by photographic fixing to recording paper.Subsequently, recording paper is sent to paired discharging roller 10h.
Operator selectable is selected in two recording paper output modes (so-called " discharge mode faces down " and " towards last discharge mode ").The discharge mode that faces down is meant the pattern that recording paper wherein is discharged by page or leaf in proper order with the imaging surface down, and towards last discharge mode be meant a kind of like this pattern-promptly wherein recording paper with the imaging surface up, thereby make the content of output during emissions operation, in sight or definite mode obtain discharging.These patterns can be switched trap 12 by moving recording paper sheet delivery path and switch carrying path, and obtain switching.Trap 12 is by a driving such as solenoid, and the paper emission direction can be determined by a detecting device (not shown) that is used to detect selected pattern.
Fig. 1 display device is in the state of the discharge mode that faces down.Under this state, the recording paper P that upwards draws by trap 12 obtains guiding along the guides 56 that faces down, and is discharged into the recording paper that faces down by rubber rollers 52 and pinch roll 54 (by the paper discharging roller that faces down to forming) subsequently and discharges on the pallet 2.
When the operator has selected towards last discharge mode, trap 12, drive the solenoid (not shown) by switching a switch (not shown), and along counterclockwise rotating, changing its direction (to the position of representing by double dot dash line among Fig. 2), thereby paper is discharged to the front side of equipment and by guides 56.The position of trap 12 is monitored by a position detector (not shown).
As shown in Figure 1, original paper superimposed panel 18 is that 18b (Fig. 4 A and 4B) does the parts of trap motion around the shaft, and has the center of rotation 18A in the place ahead of following original paper guides 14.Usually, original paper superimposed panel 18 is in the position of the operation part 15 at the top of covering the equipment of being arranged on.Therefore, become more compactness and space of entire equipment obtained saving.In addition, when equipment is used as printer, because the button of the not usefulness of operation part 15-and send key etc.-covered such as numerical key, the single triggering by the original paper superimposed panel, operating performance can improve.
When realizing facsimile transmission, as shown in Figure 2, original paper superimposed panel 18 quilts are to front opening, and original paper S is placed on the original paper superimposed panel.
When having received facsimile reception or print command under the state that is opened at original paper superimposed panel 18, if selected the discharge mode that faces down, outlet is blocked and has caused the paper obstruction.For fear of this situation, original paper superimposed panel 18 has a lid, and 26 (Fig. 4 A)-it can wave around the center of rotation identical with the original paper superimposed panel.The rotation of lid 26 is by a motor M who is used to drive reading section 3
1Realize, and a slip-clutch device cl
3Be located in the drive gear set between this motor and the center of rotation (Fig. 4 B).The operator is manual unlocking or closing cap 26 suitably.
In addition, be provided with the opening/closing status detection device (not shown) that is used to detect original paper superimposed panel 18 and lid 26, thereby make the recording operation can be controlled according to this opening/closing state.For example, under original paper superimposed panel 18 pent states as shown in Figure 1, recording paper P can be discharged on the paper discharging pallet 2 with the discharging modes that face down.
As shown in Figure 2, when original paper superimposed panel 18 and lid 26 all is opened and original paper S when stacked owing to can not realize the discharge mode that faces down, solenoid obtains driving switching trap 12, thereby realizes towards last discharge mode.Original paper S has/can not be detected by an original paper detecting device (DS detecting device) (not shown) that is arranged in the reading section.
If there is not original paper S, lid 26 reads motor M by backward rotation
1And be diverted operation part 15, to limit the exhaust openings (Fig. 3 and 4A and 4B) of paper P.At lid after 26 facts that are diverted operation part 15 are detected by detecting device, recording operation begin and the discharging that faces down accomplished.An one-way clutch cl is provided
1, to prevent reading motor M
1Roller 20 grades rotate during backward rotation.Because clutch coupling cl
2Existence, when the motor normal rotation, lid 26 is not operated.After discharging, if the operator wishes to realize facsimile transmission, the operator takes off the paper P of discharging from main body, and manually returns subsequently and cover 26.Subsequently, original paper S obtains placing.
In this way, because the recording paper person of being operated has removed for certain, still stay the possibility in original place, thereby prevented the delay that information sends so reduced the paper of discharging widely.
In the embodiment that shows, though described the example that its middle cover 26 obtains driving by the backward rotation that reads motor, this lid also can obtain driving by adopting other devices.In addition, trap the invention is not restricted to this example by the example of solenoid-activated though described wherein.
Now, description is as the facsimile equipment of sheet convey apparatus.In addition, because structure and the function of sheet convey apparatus L are aforesaid, so omitted detailed description.
In Fig. 1, be included in the record pile P in the recording paper supply section 11, by rotating an intermediate plate 36 by intermediary's force application spring 38, and be against on the separate roller 60, thereby make recording paper P can be obtained one by one by a separating pad 73 (friction piece-rate system) separating.The recording paper that separates is carried by conveying roller 17.
Operating period is being provided, and the end of recording paper P is detected by a registration detecting device (not shown).After thereby the adjusted end that makes the end that is formed on the toner image on the photosensitive drums 10a and recording paper P of paper feeding sequential and visual output timing aligned, recording paper was transported to a roll gap that shifts between charger 10f and the photosensitive drums 10a.It is on the surface of upper surface when this paper is in the recording paper supply section that image is recorded in recording paper.
The transverse edge of recording paper P and back edge are by can be according to the size of recording paper and mobile slider (not shown) is adjusted, thereby the inclination that prevents recording paper is sent to and bad conveying.Recording paper can stacked number be about 100 (opening) and recording paper is inserted into main body 1 at the rear portion of main body 1.Main body 1 is provided with the opening/closing assembly lid 2 that also discharges pallet as paper.When assembly lid 2 is opened, record assembly 10e can by new one change (double dot dash line among Fig. 1)
In the facsimile equipment according to illustrated embodiment, assembly lid 2 is provided with interlock, thereby is opened or writes down and can not move when assembly 10e is not installed in the main body 1 at assembly lid 2.
The drum exposure of record assembly 10e prevents that shutter (not shown) and record assembly 10e from obtaining operating with respect to the setting synchronised ground of main body 1.That is, shutter is opened when assembly lid 2 is opened and writes down assembly 10e and be installed in the main body 1; And be closed by shutter when main body 1 is pulled down as record assembly 10e, thereby prevented that photosensitive drums 10a's does not wish exposure.
During recording operation, if paper stops up, the recording paper P that is stopped up by main body 1 can be removed (Fig. 1) by opening assembly lid 2.In the image sensor 7 of contact-type, be mapped on the surface of original paper S from the illumination of led array (light source), and converged on the detector element by SELFOC (trade mark) lens, thereby read picture information from the light of imaging surface reflection.
Fig. 5 is the block diagram according to the control system 300 of the facsimile equipment of employing laser beam printer of the present invention.In Fig. 5, the CPU 301 that is used to control whole facsimile equipment comprise a MPU, one be used for the ROM of the control program of store M PU, usefulness deal with the workspace of various data and be used for the RAM of temporary storage section of memory image information and one be used to realize that the zooming rate changes and the image processing part of conversion of resolution.
CPU 301 also comprises traditional calendar and time clock feature, and wherein store important system information-such as one-touch key address information and software handover information-the zone of RAM back up by a battery, thereby prevented incident such as service disruption.In the control system of facsimile equipment, the various elements of CPU 301 302 to 310 connect by interface.
An operation part 302 comprises various bond switchinges, such as numerical key, function key, an one-touch key, a start key and a stop key.A display part 303 comprises that one is used to realize LCD that various message show and the various LED that are used to show sending mode.
A reading section 304 comprises that one is used to read the drive part of motor, a reading detector that is used to read image, shadowed and the image processing part of two values setting and various detecting devices that are used to detect original paper that are used to realize reading image.A recording section 305 comprises that one is used for the drive part of a recording pen motor, a record cell that is used to control laser scanner and electronic photography processing, various detecting devices that are used to make the image processing part of the image smooth that will write down and are used for the detection record paper.
A Control on Communication part 306 that is used to realize calling, reception and the coding of pictorial data has the coupling part that is made of MODEM and NCU, and a communication network 307 links to each other with this coupling part.
A CPU external interface 309 is to be used to realize that data are with respect to the direct transmission of CPU 301 and the interface of reception, and by linking to each other with for example computing machine, thereby make equipment can be used as the scanner printer of this outer computer in device external such as the circuit of RS232C, SCSI, LAN.A HDD 310 is used as the high capacity nonvolatile memory that is used for memory image information etc.
The basic operation of laser beam printer is described below in conjunction with Fig. 6 (synoptic diagram).In Fig. 6, semiconductor laser of label 400 expressions is used to send the laser beam that has the pictorial data that will write down; Polygon motor of 401 expressions; The mirror polygon that 402 expressions are rotated by polygon motor 401; 403 expressions are used to realize the focusing of image and the optical system of correction; Photodetector of 404 expressions; Catoptron of 405 expressions; Photosensitive drums of 406 expressions; Developing apparatus of 407 expressions; P represents recording paper; Guides is carried in 409 expressions; And 410 expression fixing devices.
By above-mentioned setting, at first the laser beam of sending from semiconductor laser 400 is also shone (main sweep) on the photosensitive drums 406 by optical system 403 and catoptron 405 subsequently by deflection that mirror polygon reflects.In the case, realize that by photodetector 404 guiding is to determine irradiation position.When realizing a line main sweep, photosensitive drums 406 is rotated with a line and measures (subscan) accordingly.
Focus on image on the photosensitive drums 406 in this way and be developed device 407 and develop, and be transferred to subsequently on the recording paper P.Recording paper P is along carrying guides 409 to be transported to fixing device 410, there image by photographic fixing to recording paper.Subsequently, recording paper is discharged into outside the equipment.
The element of subscan system in addition ,-be recorded motor, gear and belt (not shown) such as photosensitive drums 406, developing apparatus 407 and fixing device 410-to drive in a synchronous manner.
As mentioned above, intersect in the paper path plane by the original paper supplies trays that makes recording paper discharging pallet and facsimile equipment, the space can obtain saving, thereby makes equipment more compact.
In an illustrated embodiment, picture record partly comprises the example of laser beam printer though described wherein, as long as adopted the paper of cutting, other electronic photography, heat shift or the ink-jet sheet convey apparatus also can be applicable to the present invention.
Claims (14)
1. image forming apparatus comprises:
Be arranged in the main body on recording paper, to form the image processing system of image;
The recording paper feeding mechanism is used for providing recording paper to described image processing system;
An overlapping part, the recording paper that write down are discharged with thereon stacked;
Image reading apparatus is used to read original paper; And
The original paper feeding mechanism is used for to described image reading apparatus supply original paper;
The described overlapping part that wherein is used for recording paper intersects with the feed path that is used for original paper.
2. according to the image forming apparatus of claim 1, wherein be used for the rear portion that a stacked stacked device of recording paper that forms the recording paper of image on it is set at described main body, a stacked device of recording paper of described overlapping part is set at the front portion of described main body, and described image processing system is set between the stacked device of described recording paper and described image reading apparatus is set at described image processing system top.
3. according to the image forming apparatus of claim 1 or 2, comprise that further an original paper pallet-it can wind along waving and it can withdraw described main body and turning back under the non-working condition above the described image reading apparatus forward under the user mode to the rotating shaft that perpendicular direction is extended with an original paper supplier, and wherein said original paper pallet is crossing with described overlapping part.
4. according to the image forming apparatus of claim 3, wherein said original paper pallet can fold.
5. according to the image forming apparatus of claim 4, wherein said original paper pallet has the opening/closing lid that is arranged on described intersection point place and passes through at the recording paper that allows under the state of the described main body of withdrawing forward during the original paper read operation to be formed with image on it at described original paper pallet.
6. according to the image forming apparatus of claim 5, wherein said opening/closing lid rotates by a drive unit that is used for described image reading apparatus, and the rotation direction of described drive unit and its direction of rotation during the original paper read operation.
7. according to the image forming apparatus of claim 1 or 2, wherein said image processing system comprises an electronic photography photosensitive-member, be used at the exposure device that forms latent image on the described photosensitive-member, be used for latent image developed with the developing apparatus that forms developed image, be used for developed image being transferred to the transfer device on the paper and be used for the fixing device of the visual photographic fixing of shifting to the paper.
8. according to the image forming apparatus of claim 2, further comprise bottom and paper separation between the described image processing system and the feeding mechanism that is arranged on the stacked device of described recording paper and the recording paper guides of described image processing system along the downstream of a sheet transport direction is set.
9. image forming apparatus according to Claim 8, wherein said recording paper guides have the vent pathway that is used for switching the selectively described guides switching device shifter with the front side of recording paper being guided into stacked device of described recording paper or described main body.
10. according to the image forming apparatus of claim 1, wherein said image reading apparatus comprises the image sensor that is used to supply the feeding mechanism of original paper and is used to read the information on the original paper of supply.
11., comprise that further the downstream that is arranged on described image reading apparatus sentences the stacked device of original paper of stacked original paper according to the image forming apparatus of claim 2.
12., further comprise the operation part that image forms that is used for that is arranged on described image reading apparatus top according to the image forming apparatus of claim 3.
13. according to the image forming apparatus of claim 2, the stacked device of the recording paper of wherein said overlapping part can be opened and closed, and when the stacked device of described recording paper was opened, described image processing system can be removed.
14. according to the image forming apparatus of claim 13, wherein when described image processing system was removed, the paper sheet delivery path obtained exposing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98115284 CN1223389A (en) | 1997-06-25 | 1998-06-25 | Image forming apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP168695/97 | 1997-06-25 | ||
| CN 98115284 CN1223389A (en) | 1997-06-25 | 1998-06-25 | Image forming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1223389A true CN1223389A (en) | 1999-07-21 |
Family
ID=5224483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98115284 Pending CN1223389A (en) | 1997-06-25 | 1998-06-25 | Image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1223389A (en) |
-
1998
- 1998-06-25 CN CN 98115284 patent/CN1223389A/en active Pending
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Application publication date: 19990721 |