CN108628118A - Image forming apparatus - Google Patents
Image forming apparatus Download PDFInfo
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- CN108628118A CN108628118A CN201710156638.8A CN201710156638A CN108628118A CN 108628118 A CN108628118 A CN 108628118A CN 201710156638 A CN201710156638 A CN 201710156638A CN 108628118 A CN108628118 A CN 108628118A
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- Prior art keywords
- image forming
- forming apparatus
- guide portion
- paper
- gap
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/70—Detecting malfunctions relating to paper handling, e.g. jams
Abstract
The present invention relates to a kind of image forming apparatuses, have：Incorporating section is used to store paper；And image forming part, image is being formed from the paper that the incorporating section moves, described image forming apparatus is characterized in that having：Carrying channel guides paper towards sheet carrying direction downstream side；Apparatus main body includes at least described image forming portion；And door, it is set to position corresponding with described image forming portion, the carrying channel has the first carrying channel and the second carrying channel, first carrying channel is fixed in the door side, second carrying channel is fixed in described device main body side, in addition, described image forming apparatus is also equipped with：Guide portion is assisted, the gap that can assist conveyance paper that paper is made not enter first carrying channel and second carrying channel；And switching part, the auxiliary guide portion is switched between the first position and the second position, the gap-ratio of the auxiliary guide portion in the second position is narrow at the first position.Thereby, it is possible to prevent from causing paperboard because of the gap between the main body side of image forming apparatus and door side.
Description
Technical field
The present invention relates to a kind of image forming apparatuses, more particularly to prevent main body side and door side because of image forming apparatus it
Between gap and the image forming apparatus of paperboard occurs.
Background technology
A kind of image forming apparatus is described in patent document 1, as shown in a part of Fig. 1, is formed and is filled in the image
In setting, paper 101 is transported via guide portion 106 to transfer roll 107 and photosensitive drums between pressure roller 102 and heating roller 103
Between 108, and transported between roller pair 111 via guide portion 110.
In the image forming apparatus, guide portion 106 is made of being closed by image forming apparatus main body side and door side.By
Need to open side door in user sometimes, thus the shell 104 comprising pressure roller 102 and heating roller 103, with guide portion 106 it
Between need that there are gaps 105.But when carrying out image formation task, the paper sometimes transported can enter the gap 105,
So paperboard problem can be caused.In addition, similarly there is paperboard in gap 109.
Patent document 1：Japanese Unexamined Patent Publication 2012-176850
Invention content
The present invention is to generate in order to solve the above problems, and its object is to prevent the main body side because of image forming apparatus
Gap between door side and cause paperboard.
(1) a kind of image forming apparatus, has：Incorporating section is used to store paper；And image forming part, from
Image is formed on the paper that above-mentioned incorporating section moves, above-mentioned image forming apparatus is characterized in that having：Carrying channel, court
Paper is guided to sheet carrying direction downstream side；Apparatus main body includes at least above-mentioned image forming part；And door, setting
In position corresponding with above-mentioned image forming part, above-mentioned carrying channel has the first carrying channel and the second carrying channel, and above-mentioned first removes
Road is sent to be fixed in above-mentioned door side, above-mentioned second carrying channel is fixed in above-mentioned apparatus main body side, in addition, above-mentioned image forms dress
It sets and is also equipped with：Guide portion is assisted, can assist conveyance paper that paper is made not enter above-mentioned first carrying channel and be removed with above-mentioned second
Send the gap on road；And switching part, above-mentioned auxiliary guide portion is switched between the first position and the second position, it is above-mentioned auxiliary
Help above-mentioned gap-ratio of the guide portion in said second position narrow at above-mentioned first position..
If paper enters in gap, the problems such as paperboard or trimming angle crimp, and then the paper warp of corner curling will produce
Dog-ear will be will produce after crossing fixing.Gap can be reduced by above-mentioned auxiliary guide portion, so as to prevent paper from entering gap,
And then the problems such as preventing paperboard or trimming angle from crimping.In addition, gap filling and gap formation action are using existing in equipment
Driving device, such as comprising motor and fan etc., because without increasing other driving mechanisms offer power such as solenoid valve or motor.
(2) in the image forming apparatus described in above-mentioned (1), during executing task relevant with formation image, on
It states auxiliary guide portion and is located at said second position.
Auxiliary Track is formed, gap is filled during carrying out task relevant with formation image according to the structure.
Thus, it is possible to prevent paper from entering gap, and then the problems such as prevent paperboard or trimming angle from crimping.
(3) it in the image forming apparatus described in above-mentioned (1) or (2), is not executing and is forming the relevant task of image
Period, above-mentioned auxiliary guide portion are located at above-mentioned first position.
It prevents from being stuck in fixing section because of gap filling component when user opens side door during non-through paper according to the structure
Lead to not open side door or opening procedure has some setbacks.
(4) in the image forming apparatus described in any one of above-mentioned (1)~(3), there is fan, said fans also to make
Functioned for above-mentioned switching part, above-mentioned auxiliary guide portion by the wind generated by said fans and above-mentioned first position with it is upper
It states and is switched between the second position, above-mentioned auxiliary guide portion is located at above-mentioned first position when said fans do not drive, above-mentioned
It is located at said second position when fan drives.
According to the structure, gap filling and gap formation action be using existing driving device in equipment, such as comprising
Motor and fan etc., because without increasing other driving mechanisms offer power such as solenoid valve or motor.
(5) in the image forming apparatus described in above-mentioned (4), above-mentioned auxiliary guide portion is set to above-mentioned door, and above-mentioned door is also
With the air duct for guiding wind towards above-mentioned auxiliary guide portion.
According to the structure, guide wind to auxiliary guide portion force by air duct, be achieved in makes auxiliary guide by wind-force
Fill gap in portion.
(6) in the image forming apparatus described in above-mentioned (5), above-mentioned auxiliary guide portion is received when said fans do not drive
It is contained in above-mentioned air duct.
It prevents from being stuck in fixing section because of gap filling component when user opens side door during non-through paper according to the structure
Lead to not open side or opening procedure has some setbacks.
(7) in the image forming apparatus described in above-mentioned (6), above-mentioned door also has：Limiting component is set to above-mentioned wind
Road, and the wind flowed towards above-mentioned auxiliary guide portion is limited；Handle is used to be opened and closed above-mentioned door；And connecting member,
It is used to make above-mentioned handle to link with above-mentioned limiting component, in the case where user has held above-mentioned handle, via above-mentioned connection
Above-mentioned limiting component is moved to the position limited the wind flowed towards above-mentioned auxiliary guide portion by component, is not held in user
It lives in the case of stating handle, wind is guided towards above-mentioned auxiliary guide portion by above-mentioned air duct.
It prevents from leading because gap filling component is stuck in fixing section when user opens side door during logical paper according to the structure
Cause can not open side or opening procedure has some setbacks.
(8) it is on paper with the relevant task of image is formed in the image forming apparatus described in above-mentioned (2) or (3)
The image for forming image forms task.
According to the structure, Auxiliary Track only is formed during logical paper, fills gap.
(9) in the image forming apparatus described in any one of above-mentioned (1)~(8), above-mentioned auxiliary guide portion in
When said second position, above-mentioned gap is closed.
Gap can be completely enclosed by above-mentioned auxiliary guide portion, to completely eliminate the possibility that paper enters gap
Property, and then the problems such as prevent paperboard or trimming angle from crimping.
(10) in the image forming apparatus described in any one of above-mentioned (1)~(9), above-mentioned image forming apparatus has
To the test section that the exception of image forming apparatus is detected, above-mentioned switching part is detecting abnormal feelings using above-mentioned test section
Above-mentioned auxiliary guide portion is switched into above-mentioned first position under condition.
According to the structure, when paperboard occurs, stop said fans, auxiliary guide portion is restored to first position.To for
Paperboard processing when user opens side door, prevents from leading to not open side or opening procedure because Auxiliary Track is stuck in fixing section
It has some setbacks.
Description of the drawings
Fig. 1 is the schematic diagram for indicating the image forming apparatus of the present invention.
Fig. 2 be indicate the present invention first embodiment image forming apparatus in non-working condition when signal
Figure.
Fig. 3 is that being in for the spiral ascending mechanism for the image forming apparatus for indicating the first embodiment of the present invention does not work
Schematic diagram when state.
Fig. 4 be indicate the present invention first embodiment image forming apparatus it is in running order when schematic diagram.
Fig. 5 is the spiral ascending mechanism for the image forming apparatus for indicating the first embodiment of the present invention in work shape
Schematic diagram when state.
Fig. 6 be indicate second embodiment of the present invention image forming apparatus in non-working condition when signal
Figure.
Fig. 7 be indicate second embodiment of the present invention image forming apparatus it is in running order when schematic diagram.
Fig. 8 be indicate third embodiment of the present invention image forming apparatus in non-working condition when signal
Figure.
Fig. 9 be indicate third embodiment of the present invention image forming apparatus it is in running order when schematic diagram.
Figure 10 be indicate the present invention the 4th embodiment image forming apparatus in non-working condition when signal
Figure.
Figure 11 is the roller for the image forming apparatus for indicating the 4th embodiment of the present invention when being in non-working condition
Stereogram.
Figure 12 is the roller for the image forming apparatus for indicating the 4th embodiment of the present invention when being in non-working condition
Sectional view.
Figure 13 be indicate the present invention the 4th embodiment image forming apparatus it is in running order when schematic diagram.
Figure 14 be indicate the present invention the 4th embodiment image forming apparatus roller it is in running order when
Stereogram.
Figure 15 be indicate the present invention the 4th embodiment image forming apparatus roller it is in running order when
Sectional view.
Figure 16 is the movable agency for the image forming apparatus for indicating the 5th embodiment of the present invention in the shape that do not work
Schematic diagram when state.
Figure 17 is the in running order of the movable agency for the image forming apparatus for indicating the 5th embodiment of the present invention
When schematic diagram.
Figure 18 is the guide rail upper end for the right door for indicating the image forming apparatus of the present invention and is fixed between the lower end of guide rail
The schematic diagram in gap.
Figure 19 is the schematic diagram for indicating to prevent the mechanism of rail damage.
Figure 20 is the structural schematic diagram for indicating MFP.
Figure 21 is the figure for indicating the relationship between control unit and other each portions.
12 ... right doors；101 ... paper；102 ... pressure rollers；103 ... heating rollers；104 ... shells；105 ... gaps；106…
Guide portion；107 ... transfer rolls；108 ... photosensitive drums；109 ... gaps；110 ... guide portions；111 ... rollers pair；112 ... air ducts；
403 ... fans；114 ... limiting components；115 ... connecting components；10 ... operation portions；11 ... image forming parts；12a ... handles；
13 ... hands send paper supply tray；14 ... carbon dusts configure door；15 ... discharge trays；16 ... first cartons；17 ... second cartons；201…
The sides You Men transport guide portion；202 ... image forming parts；203 ... fans；204 ... spiral ascending mechanisms；204a ... rotates rising machine
The gap baffle of structure；The wind-force receiver sheet of 204b ... spiral ascending mechanisms；205 ... mounting plates；206 ... torsional springs；207 ... gaps；
208 ... paper；209 ... transfer rolls；210 ... fixing rollers；211 ... first carrying channels；212 ... second carrying channels；213 ... air ducts
301 ... the sides You Men transport guide portion；302 ... image forming parts；303 ... fans；304 ... mounting plates；305 ... rackworks；
The gaps 305a ... baffle；305b ... tooth-strip parts；306 ... fans blow afloat piece；307 ... gaps；308 ... paper；309 ... gears；
310 ... transfer rolls；311 ... fixing rollers；401 ... the sides You Men transport guide portion；402 ... image forming parts；403 ... fans；404…
Mounting plate；405 ... wind-force attracting board；406 ... spiral ascending mechanisms；407 ... gaps；408 ... paper；409 ... transfer rolls；
410 ... fixing rollers；411 ... installation axles；412 ... installation axles；413 ... locator protrusions；501 ... the sides You Men transport guide portion；502…
Image forming part；503 ... mounting plates；504 ... gap baffles；505 ... rollers；506 ... roller drive motors；507 ... centrifugal wheels；
508 ... centrifugal wheel attachment screws；509 ... transfer rolls；510 ... fixing rollers；511 ... paper；512 ... gaps；602 ... linking parts；
603 ... guide rails；604 ... gears；605 ... racks；606 ... control units；607 ... torsional springs；608 ... blocking portions；610 ... heating rollers；
611 ... pressure rollers；612 ... tracks；613 ... gaps.
Specific implementation mode
Hereinafter, the preferred embodiment of the present invention is described in detail based on attached drawing.In addition, for people in the art
For member, their a variety of alternatives can be realized under the enlightenment of these embodiments, moreover, the present invention is not limited thereto
Locate the preferred embodiment of explanation.
First, the MFP (multi-function printer) of the present invention is briefly described in conjunction with Figure 20, Figure 21.MFP master of the present invention
Have：Operation portion 10, image forming part 11, right door 12, hand send paper supply tray 13, carbon dust configuration door 14, discharge tray 15, the
One carton 16, the second carton 17.
Wherein, operation portion 10 is, for example, operation panel, for carrying out for user and printing or scan relevant various operations
Condition is such as printing condition.
It is the mechanism for paper supply that hand, which send paper supply tray 13, the first carton 16 and the second carton 17,.Hand send paper supply support
Disk 13 can change between several angles as needed, to coordinate user to need, solve the problems, such as insufficient space, and
First carton 16 or the second carton 17 are the cartons that can be extracted out, and the two constitutes incorporating section, can store a certain amount of paper, the
One carton 16 is set to apparatus main body, and the second carton 17 is to add carton, may be otherwise and omits the second carton 17, and only sets
Set the first carton 16.
Image forming part 11 is the mechanism for forming image on paper, is connected with aftermentioned carrying channel, such as have
The standby pressure roller as transfer roll and the heating roller as fixing roller, transfer substance is fixed on such as carbon dust on paper,
To for example form image from the paper that hand send paper supply tray 13, the first carton 16 or the second carton 17 to move.
Carbon dust configure door 14 and right door 12 be all can shutter door, carbon dust configures the opening and closing of door 14 for replacing carbon dust configuring area
Present in a variety of colors carbon dust, right door 12 be opened and closed for handling the internal fault such as paperboard in MFP, on right door 12
It is provided with handle 12a.
Discharge tray 15 is located at the most downstream in paper feed path, be used for be discharged printed using image forming part 11 after
Paper.
In addition, other than above-mentioned each mechanism, image forming apparatus 10 is also equipped with control unit.As shown in figure 21, control unit
For example, CPU (central processing unit), with image forming part 11 including the first carton 16 and the second paper
The incorporating section of box 17, the conveyance for transporting the paper for sending paper supply tray 13, the first carton 16 and the second carton 17 from hand
Portion, when detecting abnormal (such as paperboard, paper deficiency etc.), will indicate that the signal of abnormality is sent to the sensing of control unit
Each portions such as the test section of the compositions such as device, the operation portion 10 for being configured to operation panel are connected, in image forming part 10, conveying unit, receipts
It receives in each portions such as portion, test section and operation portion 10 there are when task, control unit is transported to the relevant signal of the task, it should
Control unit controls these mechanisms based on these signals, to realize each function of image forming apparatus 10.
As shown in figure 20, the apparatus main body of MFP of the invention is for example matched including operation portion 10, image forming part 11, carbon dust
15 Deng Ge mechanisms of door 14 and discharge tray are set, are the parts other than right door 12 and each carton, hereinafter, will be close to device
The side of main body is referred to as apparatus main body side, furthermore, it is understood that the side that will be close to image forming part 11 is referred to as apparatus main body
Side, the side that will be close to right door are known as the sides You Men.
＜ first embodiments ＞
As shown in Figure 2 to 4, as described above, the image forming apparatus of the present invention has：Incorporating section comprising the first paper
Box 16 and the second carton 17, the two is the carton that can be extracted out, for storing paper；With image forming part 202, from receipts
Image is formed on the paper that the portion of receiving moves.The image forming part 202 for example has transfer roll 209 and fixing roller 210, the transfer
Roller 209 is also referred to as pressure roller, applies pressure to paper while for transfer substance to be adsorbed onto paper such as carbon dust, should
Fixing roller 210 is also referred to as heating roller, for being heated to paper, so that transfer substance is fixed on paper such as carbon dust
On.
In addition, the image forming apparatus of the present invention has carrying channel, paper is guided towards sheet carrying direction downstream side,
And specifically it is divided into the first carrying channel 211 and the second carrying channel 212.Common page orientation is known as paper when printer is worked
The side that paper at this time is tended to is known as downstream side, opposite side is known as upstream side by conveyance direction.It should be noted that in order to just
In observation, the first carrying channel 211 and the second carrying channel 212 are only shown in Fig. 2 and Fig. 4, omit in the other drawings about
The diagram of carrying channel.
As described above, the device of the invention main body is for example including operation portion, image forming part, carbon dust configuration door and paper discharge
Pallet Deng Ge mechanisms are the parts other than right door and each carton, hereinafter, the side that will be close to apparatus main body referred to as fills
Main body side is set, furthermore, it is understood that the side that will be close to image forming part is referred to as apparatus main body side, the side that will be close to right door claims
For the sides You Men.
The sides You Men conveyance guide portion 201 on right door 12 is to be used to form the part of the first carrying channel, first carrying channel
211 are formed after right door 12 is closed, and are fixed in right door 12, position is corresponding with the position of right door 12, for receiving
Paper from page orientation upstream side.Second carrying channel 212 is connected with the first carrying channel 211, is fixed in comprising image
The apparatus main body side of forming portion 202, for will from page orientation upstream side and have passed through the paper of the first carrying channel 211 via
Image forming part 202 is transported to from page orientation downstream side.
Herein, such as Fig. 2, Fig. 3 it is found that between the first carrying channel 211 and the second carrying channel 212, in other words, in image
There are gaps 207 between forming portion 202 and right door 12.This is because：The problems such as paperboard is frequently present of due to equipment, so needing
The equal side doors of right door 12 are opened and carry out paperboard processing, there are certain intervals with other component at this point, the side doors such as right door 12 are needed
So as to open.The range in the gap 207 is generally in 0.5mm~10mm.However, having due to the presence in the gap 207
The reason of the problem of paper enters gap 207 and paperboard occurs, this is known as leading to paperboard, thus it is contemplated that being arranged as follows auxiliary
Guide portion and switching part is helped to solve the problems, such as this.
I.e., the problem of paper enters gap 207 and paperboard occurs in order to prevent, image forming apparatus is also equipped with as auxiliary
The fan 203 as switching part of the spiral ascending mechanism 204 of guide portion and transmission for stablizing paper.It should be noted that this
The fan 203 of embodiment is the component that image forming apparatus inherently has, and can both be installed on apparatus main body side, and also might be used
It to be installed on right door 12, in the present embodiment, is installed on right door 12, at work towards right side in the other side, that is, figure
Blowing, script tool is there are three effect, and one is to collect UFP (ultra-fine grain), secondly for the paper for attracting in track, thirdly being
Cooling in machine, in the present embodiment, fan 203 has been assigned new function as switching part.
The spiral ascending mechanism 204 includes gap baffle 204a, wind-force receiver sheet 204b and the screw thread between the two
The screwed parts such as bar.Wherein, gap baffle 204a can be in the first position (initial position) (Fig. 2) of not closing gap 207
It is moved between at least part of second position (Fig. 4) of closing gap 207.Thus the spiral ascending mechanism 204 can be auxiliary
Conveyance paper 208 is helped, paper 208 is made not enter the gap 207 of the first carrying channel 211 and the second carrying channel 212.In this embodiment party
In formula, although the best state of spiral ascending mechanism 204 is completely enclosed gap 207, as long as can prevent paperboard
If, can also closing gap 207 as described above a part, as long as paper 208 can be guided swimmingly.In other words
It says, the spiral ascending mechanism 204 as auxiliary guide portion can switch between the first location and the second location, the rotation
Gap 207 of the lifting mechanism 204 at the second position is narrower than at first position.
In addition, the closed gap meant in closing conveyance direction, without closing on the direction vertical with conveyance direction
Gap.But as in the present embodiment, it in order to be better protected from generation paperboard, still preferably both closes in conveyance direction
Gap close the closing on the direction vertical with conveyance direction again.
The fan 203 is existing device in equipment, is connected with existing motor etc. in equipment, under the action of motor
Start blowing in the direction of the arrow as shown in Figure 4 or stops blowing as shown in Figure 2 to switch spiral ascending mechanism 204
Position makes spiral ascending mechanism 204 in the first position (initial position) (Fig. 2) of not closing gap 207 and closing gap 207
At least part of second position (Fig. 4) between switch over.In other words, make spiral ascending mechanism 204 in first position
It is switched between the second position, gap 207 of the spiral ascending mechanism 204 at the second position is narrower than at first position.
Mounting plate 205 is installed on right door 12, spiral ascending mechanism 204 is connect with mounting plate 205 by thread mechanism.
In addition, matching thread mechanism and torsional spring 206 is installed on spiral ascending mechanism 204 and mounting plate 205, by the torsional spring 206
Realize the reset of spiral ascending mechanism 204.It should be noted that also being set other than being provided with spiral ascending mechanism 204 in right door 12
It is equipped with the air duct 213 that wind is guided towards spiral ascending mechanism 204, which is, for example, the ventilation path such as the groove inside right door
Diameter can guide the wind from fan 203, and wind is preferably blown out.
As shown in Figure 4, Figure 5, in the state that right door 12 is closed, i.e., in the operating condition, in other words, in execution and shape
At the relevant task of image (for example, preheating, printing, fan coolling, the operation of UFP fans etc..As described above, as shown in figure 21, this
The image forming apparatus 10 of invention has a control unit for being configured to CPU (central processing unit), the control unit with
Each portions such as image forming part 11, incorporating section, operation portion 10 are connected, there are when task in each portion, with the relevant signal of the task
It is transported to control unit, which controls these mechanisms based on these signals, to realize each work(of image forming apparatus 10
Energy.In addition, the image that above-mentioned task is primarily referred to as being formed image on paper forms task, printed strip is inputted by operation portion
Part) during, motor-driven fan 203 starts to dry.Due to the blowing force of fan 203, the wind-force of spiral ascending mechanism 204 receives
Plate 204b rotates predetermined angular, rotates 90 ° in embodiments.Since spiral ascending mechanism 204 and mounting plate 205 are to rely on spiral shell
Line mechanism connects, so while entire spiral ascending mechanism 204 rises, the gap baffle 204a of spiral ascending mechanism 204
Predetermined angular can be and then rotated, that is, rotates 90 °.The gap baffle 204a of spiral ascending mechanism 204 is moved to the second position as a result,
And block gap 207.Paper will not enter between the first carrying channel 211 and the second carrying channel 212 in this way, in other words, image
Gap 207 between 12 side of the apparatus main body side of forming apparatus and right door, thus prevents paperboard problem.
As shown in Figure 2 and Figure 3, it is stopped when as non-working condition in equipment, in other words, is not executing and shape
During the relevant task of image, motor stops driving, and fan 203 is closed, and blowing force disappears, the wind of spiral ascending mechanism 204
Power receiver sheet 204b inverts defined angle i.e. 90 °, entire spiral ascending mechanism due to the smaller reaction force of torsional spring 206
204 set back and are in first position.The normal opening of right door 12 is not interfered with thus.
By above structure, it can prevent paper from entering gap by the spiral ascending mechanism 204 as auxiliary guide portion
207 and cause paperboard or trimming angle crimp the problems such as.Moreover, the action for blocking gap 207 and reproduction gap 207 is to utilize to set
Standby interior existing driving device (including motor (not shown) and fan 207), because without increasing other driving portions such as solenoid valve
Part provides power.
In addition, in the case where paperboard occurs, fan 203 can also close, at this point, spiral ascending mechanism 204 is due to torsional spring
206 effect sets back and is in first position, therefore does not influence the opening of right door 12.For example, the image of present embodiment
Forming apparatus has the sensor being detected to the exception (such as paperboard, paper deficiency etc.) of image forming apparatus as described above
Deng test section.When sensor detects it is abnormal when, will indicate that the signal of abnormality is sent to control unit, control unit is based on table
Show that the signal of abnormality switches over action to control switching part, in other words, control unit control fan 203 makes fan 203
Spiral ascending mechanism 204 is switched into first position in the case where detecting exception using test section.That is, paperboard occurs
When, stop fan 203, spiral ascending mechanism 204 is restored to first position.
Herein, for convenience of description, it is briefly described in conjunction with interoperations of the Fig. 1 between right door and fan.In Fig. 1
Right door 12 have limiting component 114, which is set among the air duct 112 of right door 12, in air duct 112
The wind of flowing is limited.In addition, also there is right door 12 handle 12a and connecting member 115, handle 12a to be set to right door 12
Outside, for being opened and closed right door 12；The connecting member 115 is similarly provided among air duct 112, for making handle 12a and being somebody's turn to do
Limiting component 114 links.
Specifically, being provided with button on handle 12a, in the case where user has held handle 12a, i.e., button is in
In the case of pressing state, limiting component 114 is moved to via connecting member 115, the wind flowed in air duct 112 is carried out
In other words limiting component 114 is moved to direction auxiliary guide portion flowing by the position blocked via connecting member 115
The position that wind is limited, thus limiting component 114 shelter from wind, to towards auxiliary guide portion flowing wind limit；And
In the case that in the case where user does not hold handle 12a, i.e. button is in non-pressed state, limiting component 114 is back to not
To the position that the wind flowed in air duct 112 is blocked, in other words, limiting component 114 is moved to not to drawing towards auxiliary
The position that the wind of portion's flowing is limited is led, wind is guided towards spiral ascending mechanism 204 from newly from there through air duct 213.
Hereinafter, being illustrated to the image read-out of the other embodiment of the present invention, wherein for identical composition
Element marks similar reference numeral and omits repeated explanation.
＜ second embodiments ＞
For the problem that gap 307, paper enters gap 307 and paperboard occurs in order to prevent, the image of present embodiment
Forming apparatus has the tooth as auxiliary guide portion instead of the spiral ascending mechanism 204 and mounting plate 205 of first embodiment
Mechanism 305 and mounting plate 304.
The rackwork 305 includes gap baffle 305a, the tooth-strip part 305b with rack and will be connected between the two
Middle interconnecting piece.Wherein, gap baffle 305a can the first position (initial position) (Fig. 6) of not closing gap 307 with
It is moved between at least part of second position (Fig. 7) of closing gap 307, in other words, gap baffle 305a can be
It is switched between first position and the second position, gap 307 ratios of the gap baffle 305a at the second position is at first
It is narrow when setting.Thus the rackwork 305 can equally assist conveyance paper 308, and paper 308 is made not enter the first carrying channel and the
The gap 307 of two carrying channels.
In addition, corresponding with rackwork 305, image forming apparatus is also equipped with the fan that can be blown up and blows afloat piece
It 306 and blows afloat piece 306 with fan and is formed as one and coaxial and blow afloat the gear for blowing afloat and rotating of piece 306 with fan
309.The gear 309 is matched with tooth-strip part 305b and is linked.
In addition, the fan 303 is equally existing device in equipment, it is connected, in horse with existing motor etc. in equipment
Start blowing in the direction of the arrow as shown in Figure 7 under the action of reaching or stops blowing as shown in Figure 6 to switch rack machine
The position of structure 305 makes rackwork 305 in the first position (initial position) (Fig. 6) of not closing gap 307 and closing gap
It is switched between the 307 at least part of second position (Fig. 7).In other words, make rackwork 305 first position with
It is switched between the second position, gap 307 of the rackwork 305 at the second position is narrower than at first position.
Mounting plate 304 is installed on right door 12.Rackwork 305, fan blow afloat piece 306 and gear 309 is mounted on
On mounting plate 304.The tooth-strip part 305b of rackwork 305 is engaged with gear 309.
As shown in fig. 7, in the state that right door 12 is closed, i.e., in the operating condition, in other words, scheme executing and being formed
As relevant task is (for example, preheating, printing, fan coolling, the operation of UFP fans, in the present embodiment, are primarily referred to as in paper
The image that image is formed on forms task, and printing condition is inputted by operation portion) during, motor-driven fan 303 starts
Blowing.Due to the blowing force of fan 303, fan blows afloat piece 306 and rotates counterclockwise predetermined angular, rotates 90 ° in the present embodiment.
It is formed as one and coaxially since gear 309 and fan blow afloat piece 306, so gear 309 blows afloat blowing afloat for piece 306 with fan
And rotate, the tooth-strip part 305b rising to engage with gear 309, thus entire rackwork 305 rise to the second position and
Gap 307 is blocked, i.e. gap baffle 305a blocks gap 307.Paper will not enter the first carrying channel and the second carrying channel in this way
Between, in other words, thus the gap 307 between 12 side of the main body side of image forming apparatus and right door prevents paperboard and asks
Topic.
As shown in fig. 6, when equipment is stopped and becomes non-working condition, in other words, do not executing and formation figure
During relevant task, fan 303 is closed, and blowing force disappears, and fan is blown afloat piece 306 and rotated clockwise regulation due to dead weight
Angle i.e. 90 °, at this point, rackwork 305 is moved downwards due to transmission and the dead weight of itself of gear 309, thus
Fan blows afloat piece 306 and rackwork 305 all sets back and is in first position.The normal of right door 12 is not interfered with thus
It opens.
By above structure, it can prevent paper from entering gap by the rackwork 305 as auxiliary guide portion and draw
The problems such as paperboard of hair or trimming angle crimp.Moreover, the action for blocking gap 307 and reproduction gap 307 is to utilize in equipment
Some driving devices (including motor (not shown) and fan 307), because being provided without increasing other driving parts such as solenoid valve
Power.
In addition, in the case where paperboard occurs, fan 303 can also close, at this point, rackwork 305 is due to gear 309
Transmission and the dead weight of itself and be moved to first position downwards, therefore do not influence the opening of right door 12.
＜ third embodiments ＞
For the problem that gap 407, paper enters gap 407 and paperboard occurs in order to prevent, the image of present embodiment
The rotation that forming apparatus has generally L-shaped instead of the spiral ascending mechanism 204 and mounting plate 205 of first embodiment rises
Mechanism 406, substantially T-shaped wind-force attracting board 405 and mounting plate 404.
The mounting plate 404 is set to right door 12, and has installation axle 411,412, wherein installation axle 411 and installation axle 412
The both sides of the horizontal direction of mounting plate 404 are set to, and the two is set in same level.The spiral ascending mechanism 406
One end be rotatably installed on mounting plate 404 via installation axle 411, the other end rides over the installation axle 412 of mounting plate 404
On.Equally, one end of wind-force attracting board 405 is rotatably installed on mounting plate 404 via installation axle 412, and the other end rides over
It is set to the locator protrusions 413 central approximately below of mounting plate 404.
The spiral ascending mechanism 406, specifically one end of spiral ascending mechanism 406 can be in not closing gap 407
It is moved between first position (initial position) (Fig. 8) and at least part of second position (Fig. 9) of closing gap 407.Change sentence
It talks about, makes spiral ascending mechanism 406, specifically one end of spiral ascending mechanism 406 is between the first location and the second location
It switches over, spiral ascending mechanism 406, specifically gap 407 of the one end of spiral ascending mechanism 406 at the second position is compared
It is narrow at first position.Thus the spiral ascending mechanism 406 can equally assist conveyance paper 408, and paper 408 is made not enter the
The gap 407 of one carrying channel and the second carrying channel.
In addition, corresponding with wind-force attracting board 405, image forming apparatus, which has back to above-mentioned each mechanism, generates suction
Fan 403, the fan 403 are equally existing devices in equipment, are installed on the opposite side of apparatus main body side, i.e. device outer wall
Side, at work towards external blowing, be connected with existing motor etc. in equipment, under the action of motor such as Fig. 9 institutes
Show and starts to dry and generate suction or stop blowing as shown in Figure 8 to switch wind-force attracting board 405 in the direction of the arrow like that
Position, and then make spiral ascending mechanism 406 the of not closing gap 407 by the way that the position of wind-force attracting board 405 is changed
It is switched between one position (initial position) (Fig. 8) and at least part of second position (Fig. 9) of closing gap 407.
As shown in figure 9, in the state that right door 12 is closed, i.e., in the operating condition, in other words, scheme executing and being formed
As relevant task is (for example, preheating, printing, fan coolling, the operation of UFP fans, in the present embodiment, are primarily referred to as in paper
The image that image is formed on forms task, and printing condition is inputted by operation portion) during, motor-driven fan 403 starts
Blowing.Due to the attraction of fan 403, wind-force attracting board 405 jacks up while rotation counterclockwise centered on installation axle 412
Spiral ascending mechanism 406, spiral ascending mechanism 406 are rotated clockwise with installation axle 411 for axis.Spiral ascending mechanism as a result,
406 are moved to the second position and block gap 407.Paper will not enter between the first carrying channel and the second carrying channel in this way, change
Sentence is talked about, thus the gap 407 between 12 side of the main body side of image forming apparatus and right door prevents paperboard problem.
As shown in figure 8, when equipment is stopped and becomes non-working condition, in other words, do not executing and formation figure
During relevant task, fan 403 is closed, and attraction disappears, and wind-force attracting board 405 is due to dead weight and with installation axle 412
Centered on rotate clockwise and the locator protrusions 413 that is finally installed on plate 404 is supported, while spiral ascending mechanism 406 by
It is ridden in installation axle 412 in dead weight.Spiral ascending mechanism 406 sets back and is in first position.It does not interfere with thus
The normal opening of right door 12.
The 4th embodiment ＞ of ＜
For the problem that gap 512, paper enters gap 512 and paperboard occurs in order to prevent, the image of present embodiment
Forming apparatus has the gap baffle of generally L-shaped instead of the spiral ascending mechanism 204 and mounting plate 205 of first embodiment
504, roller drive motor 506 and mounting plate 503.
Right door 12 is provided with mounting plate 503, gap baffle 504, roller 505 and roller are provided on mounting plate 503
Sub- drive motor 506, wherein the gap baffle 504 can be up or down installed on mounting plate 503, and one end rides over
On roller 505, the output shaft of roller drive motor 506 is connect with roller 505, is driven roller 505 to rotate at work, is made wherein
Centrifugal wheel 507 protrude and expand radius, thus be lifted gap baffle 504, be allowed to closing gap 512.
That is, the gap baffle 504 can be between the first position (initial position) (Figure 10) of not closing gap 512 and closing
Moved between at least part of second position (Figure 13) of gap 512, in other words, make gap baffle 504 first position with
It is switched between the second position, gap 512 of the gap baffle 504 at the second position is narrower than at first position.The gap
Baffle 504 can equally assist conveyance paper 511, and paper 512 is made not enter the gap of the first carrying channel and the second carrying channel
512。
Specifically, as shown in Figure 11, Figure 12, Figure 14, Figure 15, multiple openings are provided on rotatable roller 505,
And roller 505 includes：By 8 centrifugal wheels 507, the Yi Jishe that can be arranged in a manner of prominent or retraction relative to multiple openings
It is placed in roller 505 and 8 centrifugal wheel attachment screws 508 corresponding with 8 centrifugal wheels 507.8 centrifugal wheels 507 by 8 from
Heart wheel attachment screw 508 links together with roller 505, and when not working, the centrifugal wheel 507 in top contracts because of dead weight
In 505 the inside of roller.
As shown in Figure 13~Figure 15, in the state that right door 12 is closed, i.e., in the operating condition, in other words, executing
With formed the relevant task of image (for example, preheating, printing, fan coolling, UFP fans operation, in the present embodiment, mainly
Refer on paper formed image image formed task, pass through operation portion input printing condition) during equipment start to work,
Roller drive motor 506 exports rotary driving force at this time, and drives roller 505 to rotate by output shaft.Due to the work of centrifugal force
With 8 centrifugal wheels 507 are all moved to the direction in 505 center of circle of offset from roller, and thus the whole radius of roller 505 is due to centrifugal wheel
507 protrude and become larger, to which the gap baffle 504 ridden on centrifugal wheel 507 rises to the second position and blocks gap 507.
Paper will not enter between the first carrying channel and the second carrying channel in this way, in other words, main body side and the right side of image forming apparatus
Gap 507 between 12 sides of door, thus prevents paperboard problem.
As shown in Figure 10~12, it is stopped when as non-working condition in equipment, in other words, is not executing and shape
During the relevant task of image, roller drive motor 506 stops driving, and gap baffle 504 sets back and is in first
Position.The normal opening of right door 12 is not interfered with thus.
By above structure, can be prevented by the gap baffle 504 as auxiliary guide portion paper enter gap 512 and
The problems such as paperboard of initiation or trimming angle crimp.
The 5th embodiment ＞ of ＜
For the problem that gap, paper enters gap and paperboard occurs in order to prevent, and the image of present embodiment forms dress
It sets instead of the spiral ascending mechanism 204 and mounting plate 205 of first embodiment and has guide rail 603, linking part 602, gear
604, rack 605 and control unit 606.
The movable agency being made of guide rail 603, linking part 602, gear 604, rack 605 is set to right door (not shown).
Specifically, gear 604 and rack 605 constitute rack and pinion mechanism, gear 604 is rotatably set to right door, also,
Rack 605 can movably be fixed on You Men, and one end is connect with gear 604.In rack 605, left and right directions moves along figure
When gear 604 rotate therewith.It is provided with interconnecting piece 602 in a manner of being rotated coaxially with gear 604, and is additionally provided with via even
The guide rail 603 that knot 602 is integrally constituted with gear 604, the guide rail 603 are protruded relative to linking part towards gap direction, and
When work above-mentioned gap is closed with the protruding portion.Control unit 606 is the device for controlling the movable agency, by 605 edge of rack
The movement of left and right directions is controlled and the protrusion or retract action of realizing guide rail 603 relative to right door.
The guide rail 603 can be in the first position (initial position) (Figure 16) of not closing gap and at least the one of closing gap
It is moved between the partial second position (Figure 17), in other words, guide rail 603 is cut between the first location and the second location
It changes, gap-ratio of the guide rail 603 at the second position is narrow at first position.The guide rail 603 can equally assist conveyance paper, make
Paper does not enter the gap of the first carrying channel and the second carrying channel.
As shown in figure 17, in the state that right door is closed, i.e., in the operating condition, in other words, scheme executing and being formed
As relevant task is (for example, preheating, printing, fan coolling, the operation of UFP fans, in the present embodiment, are primarily referred to as in paper
The image that image is formed on forms task, passes through operation portion and inputs printing condition) during control unit 606 to receive expression right
Door closes the signal of (locking), makes rack 605 in the direction of the arrow towards left front into band moving gear 604 rotates clockwise, to make to lead
Rail 603 is moved to the second position and blocks gap 307.Paper will not enter between the first carrying channel and the second carrying channel in this way,
In other words, thus the gap between the main body side of image forming apparatus and the sides You Men prevents paperboard problem.
As shown in figure 16, it when equipment is stopped and becomes non-working condition, in other words, is not executing and formation figure
During relevant task, control unit 606 receives the signal for indicating that right door opens (unlocking), makes rack 605 along arrow
Head direction is rotated counterclockwise towards right retrogressing, band moving gear 604, to make guide rail 603 restore to first position.It thus will not shadow
Ring the normal opening of right door.
By above structure, it can prevent paper from entering gap by the guide rail 603 as auxiliary guide portion and cause
The problems such as paperboard or trimming angle crimp.
It should be noted that rack 605 can also be directly with right door locking mechanism be formed as one, in this way lock or release
When lock out action occurs, the action that rack 605 moves forward or back automatically, and save the control of control unit 606.
In addition, the above-mentioned first~the 5th embodiment is equally applicable to the situation that paper charges into roller pair from carrying channel, such as
Shown in Figure 18, the case where paper is charged into from the track 612 as carrying channel between heating roller 610 and pressure roller 611.Hereinafter, lifting
The structure of the 5th embodiment of example illustrates.
Referring again to Figure 16, Figure 17, as shown in figure 17, control unit 606 receives the signal for indicating right door locking, makes rack
605 in the direction of the arrow towards left front into band moving gear 604 rotates clockwise, to make guide rail 603 stretch out.As shown in figure 16, it controls
Portion 606 receives the signal for indicating that right door unlocks, and makes rack 605 in the direction of the arrow towards right retrogressing, band 604 inverse time of moving gear
Needle rotates, to make guide rail 603 retract.
So, while capable of realizing effect as described above, additionally it is possible to bring following effect, i.e.,：
In the working condition of right door locking, since guide rail 605 is in extended position, heating roller 610 can be covered and added
Lower zone between pressure roller 611 charges into posture to control paper.
In addition, in the present invention, though being illustrated for lifting right door, being not limited to right door, such as according to need
It wants and selects in the case of using left-hand door, back door, front door etc., each mechanism of the embodiments of the present invention is also all suitable for.
In addition, control unit 606 adjusts the amount of movement of rack 605 according to paper type etc., so as to adjust the stretching of guide rail 603
Amount.For example, thin paper need it is smaller charge into gap, so the overhang of guide rail 603 is more；Ground paper needs bigger dash forward
Enter space, so the overhang of guide rail 603 is a little bit smaller.It is possible thereby to posture is charged into according to paper type adjustment paper, to
Improve paper charges into effect.
In addition, control unit 606 receives the signal that sensor detection arm is opened, guide rail 603 is made to stretch out.Control unit 606
Implement to control according to yardage, after paper passes through, guide rail 606 is made to retract.In this case.The signal of arm is detected according to sensor
Come control guide rail 603 it is flexible if, the vacancy of intermediate rail can be filled up.Can not only it inhibit paper in sensor as a result,
Detection arm position is arched upward, and avoids fold, but also can arch upward to avoid paper tail end it is too big and caused by sensor detection arm
Error detection.Simultaneously as guide clearance need not be adjusted strictly, cost is reduced.
In addition, when carrying out image and forming task, the case where accidentally opening side door there are user, it is possible to damage at this time
Guide rail thus can be improved the mechanism of guide rail.
Such as the possibility of guide rail 603 and the part that apparatus main body collides can be set as free to rotate.Such as Figure 19 institutes
Show, one torsional spring 607, in the case where user accidentally opens side door, 603 meeting of guide rail are set in the middle section of guide rail 603
It is bent at torsional spring 607 and avoids damaging, and restored after release unit main body.In such manner, it is possible to prevent user from accidentally opening
Rail damage when side door.
It should be noted that in the embodiment of first embodiment~the 4th, such as the case where eliminating gap by wind-force
Under, it can stop drying in the moment fan for opening right door, thus the mechanism meeting nature for eliminating gap restores, thus do not have to concern and miss
Enabling causes the problem of its damage.
The present invention provides a kind of image forming apparatus, has：Incorporating section is used to store paper；And image forming part,
It is characterized in that having forming image, above-mentioned image forming apparatus from the paper that above-mentioned incorporating section moves：Conveyance
Road guides paper towards sheet carrying direction downstream side；Apparatus main body includes at least above-mentioned image forming part；And door,
It is set to position corresponding with above-mentioned image forming part, and above-mentioned carrying channel has the first carrying channel and the second carrying channel, above-mentioned
First carrying channel is fixed in above-mentioned door side, and above-mentioned second carrying channel is fixed in above-mentioned apparatus main body side, in addition, above-mentioned image
Forming apparatus is also equipped with：Assist guide portion, can assist conveyance paper make paper do not enter above-mentioned first carrying channel with it is above-mentioned
The gap of second carrying channel；And switching part, auxiliary guide portion is switched between the first position and the second position, is assisted
The gap-ratio of the guide portion at the second position is narrow at first position.
If paper enters in gap, the problems such as paperboard or trimming angle crimp, and then the paper warp of corner curling will produce
Dog-ear will be will produce after crossing fixing.Gap can be reduced by above-mentioned auxiliary guide portion, so as to prevent paper from entering gap,
And then the problems such as preventing paperboard or trimming angle from crimping.In addition, gap filling and gap formation action are using existing in equipment
Driving device, such as comprising motor and fan etc., because without increasing other driving mechanisms offer power such as solenoid valve or motor.
In addition, in the image forming apparatus of the present invention, can during executing with image relevant task is formed, on
It states auxiliary guide portion and is located at said second position.
Auxiliary Track is formed, gap is filled during carrying out task relevant with formation image according to the structure.
Thus, it is possible to prevent paper from entering gap, and then the problems such as prevent paperboard or trimming angle from crimping.
In addition, in the image forming apparatus of the present invention, can during not executing with image relevant task is formed,
Above-mentioned auxiliary guide portion is located at above-mentioned first position.
It prevents from being stuck in fixing section because of gap filling component when user opens side door during non-through paper according to the structure
Lead to not open side door or opening procedure has some setbacks.
In addition, in the image forming apparatus of the present invention, can have fan, said fans also to be sent out as above-mentioned switching part
Function is waved, above-mentioned auxiliary guide portion is by the wind generated by said fans and between above-mentioned first position and said second position
It is switched, above-mentioned auxiliary guide portion is located at above-mentioned first position when said fans do not drive, and is located at when said fans drive
Said second position.
According to the structure, gap filling and gap formation action be using existing driving device in equipment, such as comprising
Motor and fan etc., because without increasing other driving mechanisms offer power such as solenoid valve or motor.
In addition, the present invention image forming apparatus in, can above-mentioned auxiliary guide portion be set to above-mentioned door, above-mentioned door is also
With the air duct for guiding wind towards above-mentioned auxiliary guide portion.
According to the structure, guide wind to auxiliary guide portion force by air duct, be achieved in makes auxiliary guide by wind-force
Fill gap in portion.
In addition, in the image forming apparatus of the present invention, it can above-mentioned auxiliary guide portion quilt when said fans do not drive
It is accommodated in above-mentioned air duct.
It prevents from being stuck in fixing section because of gap filling component when user opens side door during non-through paper according to the structure
Lead to not open side or opening procedure has some setbacks.
In addition, the present invention image forming apparatus in, can above-mentioned door also have：Limiting component is set to above-mentioned
Air duct, and the wind flowed towards above-mentioned auxiliary guide portion is limited；Handle is used to be opened and closed above-mentioned door；And linking part
Part is used to make above-mentioned handle to link with above-mentioned limiting component, in the case where user has held above-mentioned handle, via above-mentioned company
Above-mentioned limiting component is moved to the position limited the wind flowed towards above-mentioned auxiliary guide portion by knot part, user not
In the case of holding above-mentioned handle, wind is guided towards above-mentioned auxiliary guide portion by above-mentioned air duct.
It prevents from leading because gap filling component is stuck in fixing section when user opens side door during logical paper according to the structure
Cause can not open side or opening procedure has some setbacks.
Can be to be formed on paper with the relevant task of image is formed in addition, in the image forming apparatus of the present invention
The image of image forms task.
According to the structure, Auxiliary Track only is formed during logical paper, fills gap.
In addition, assist guide portion when in the second position, closing gap.
According to the structure, gap can be completely enclosed by above-mentioned auxiliary guide portion, entered to completely eliminate paper
The possibility in gap, and then the problems such as prevent paperboard or trimming angle from crimping.
In addition, in the image forming apparatus of the present invention, can have to image forming apparatus with above-mentioned image forming apparatus
The test section that is detected of exception, above-mentioned switching part using above-mentioned test section in the case where detecting exception by above-mentioned auxiliary
Guide portion switches to above-mentioned first position.
According to the structure, when paperboard occurs, stop said fans, auxiliary guide portion is restored to first position.To for
Paperboard processing when user opens side door, prevents from leading to not open side or opening procedure because Auxiliary Track is stuck in fixing section
It has some setbacks.
It should be understood that the above-mentioned specific implementation mode of the present invention is used only for exemplary illustration or explains the present invention's
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of image forming apparatus, has：
Incorporating section is used to store paper；With
Image forming part is forming image from the paper that the incorporating section moves,
Described image forming apparatus is characterized in that having：
Carrying channel guides paper towards sheet carrying direction downstream side；
Apparatus main body includes at least described image forming portion；And
Door, is set to position corresponding with described image forming portion,
The carrying channel has the first carrying channel and the second carrying channel, and first carrying channel is fixed in the door side, described
Second carrying channel is fixed in described device main body side,
In addition, described image forming apparatus is also equipped with：
Guide portion is assisted, can assist conveyance paper that paper is made not enter first carrying channel and second carrying channel
Gap；With
Switching part switches over the auxiliary guide portion between the first position and the second position, the auxiliary guide portion
The gap-ratio in the second position is narrow at the first position.
2. image forming apparatus according to claim 1, which is characterized in that
During executing task relevant with formation image, the auxiliary guide portion is located at the second position.
3. image forming apparatus according to claim 1 or 2, which is characterized in that
During not executing task relevant with formation image, the auxiliary guide portion is located at the first position.
4. the image forming apparatus according to any one of claims 1 to 3, which is characterized in that
Also there is fan,
The fan is also functioned as the switching part,
Auxiliary guide portion quilt by the wind generated by the fan and between the first position and the second position
Switching,
The auxiliary guide portion is located at the first position when the fan does not drive, and is located at when the fan drives described
The second position.
5. image forming apparatus according to claim 4, which is characterized in that
The auxiliary guide portion is set to the door,
The door also has the air duct that wind is guided towards the auxiliary guide portion.
6. image forming apparatus according to claim 5, which is characterized in that
The auxiliary guide portion is incorporated in when the fan does not drive in the air duct.
7. image forming apparatus according to claim 6, which is characterized in that
The door also has：
Limiting component is set to the air duct, and to being limited towards the wind of the auxiliary guide portion flowing；
Handle is used to be opened and closed the door；And
Connecting member is used to make the handle to link with the limiting component,
In the case where user has held the handle, the limiting component is moved to towards institute via the connecting member
The position that the wind of auxiliary guide portion flowing is limited is stated,
In the case where user does not hold the handle, wind is guided towards the auxiliary guide portion by the air duct.
8. image forming apparatus according to claim 2 or 3, which is characterized in that
It is that the image formation task of image is formed on paper with the relevant task of image is formed.
9. the image forming apparatus according to any one of claim 1~8, which is characterized in that
The auxiliary guide portion closes the gap when in the second position.
10. the image forming apparatus according to any one of claim 1~9, which is characterized in that
Described image forming apparatus has the test section being detected to the exception of image forming apparatus,
The auxiliary guide portion is switched to described by the switching part in the case where detecting exception using the test section
One position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156638.8A CN108628118A (en) | 2017-03-16 | 2017-03-16 | Image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156638.8A CN108628118A (en) | 2017-03-16 | 2017-03-16 | Image forming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108628118A true CN108628118A (en) | 2018-10-09 |
Family
ID=63686626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710156638.8A Pending CN108628118A (en) | 2017-03-16 | 2017-03-16 | Image forming apparatus |
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Application publication date: 20181009 |
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