CN100578379C - Optical scanner for laser printer - Google Patents

Optical scanner for laser printer Download PDF

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Publication number
CN100578379C
CN100578379C CN200610168687A CN200610168687A CN100578379C CN 100578379 C CN100578379 C CN 100578379C CN 200610168687 A CN200610168687 A CN 200610168687A CN 200610168687 A CN200610168687 A CN 200610168687A CN 100578379 C CN100578379 C CN 100578379C
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CN
China
Prior art keywords
laser
optical scanner
module
catoptron
supporting seat
Prior art date
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Expired - Fee Related
Application number
CN200610168687A
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Chinese (zh)
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CN101206439A (en
Inventor
苏振旗
林勇杉
马进达
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Lite On Technology Corp
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Lite On Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN200610168687A priority Critical patent/CN100578379C/en
Publication of CN101206439A publication Critical patent/CN101206439A/en
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Publication of CN100578379C publication Critical patent/CN100578379C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses an optical scanning device applied to a laser printer, which comprises a support seat which is connected with an housing, an optical system module which is directly arranged on the support seat and is used to generate a corresponding laser according to printing data, a laser scanning module which is locked on the support seat and is used to reflect the laser generated by the optical system module, a toroidal lens which allows the laser reflected by the optical scanning module to proceed at a constant linear velocity and a reflector which is directly arranged on the support seat and is used to reflect the laser transmitted from the toroidal lens to an organic photo conductor.

Description

Be applied to the optical scanner of laser printer
Technical field
The present invention relates to a kind of optical scanner that is applied to a laser printer, particularly relate to a kind of optical scanner that is applied to the no foundation design of a laser printer.
Background technology
See also Fig. 1, Fig. 1 is the synoptic diagram of an existing laser printer 10.Laser printer 10 comprises a casing 12, be used for coating the inner member of laser printer 10, one organic photo conductor (organic photo conductor) 14, it is rotatably to be arranged in the casing 12, one cloth electricity wheel (charged roller) 16, be arranged in the casing 12, be used for positive charge is arranged on the organic photo conductor 14, one optical scanner (laser scanning unit) 18, be arranged in the casing 12, be used for laser projections to organic photo conductor 14, one powder box (toner cartridge) 20, be arranged in the casing 12, its internal memory is placed with carbon dust, one video picture wheel (developer roller) 22, be arranged in the casing 12 and be positioned at a side of powder box 20, carbon dust in its adsorbable powder box 20, one transfer printing wheel (transferroller) 24, be arranged in the casing 12 and be electrically connected to a negative bias (not shown), a fixing device (fuser) 26 is arranged in the casing 12, it can make the plastic components fusing in the carbon dust, and an electric discharge device (discharge unit) 28, be arranged in the casing 12, be used for removing the electric charge on the organic photo conductor 14.
The printing principle and the procedure declaration of laser printer 10 are as follows, and cloth electricity wheel 16 is arranged in positive electricity or negative charge on the organic photo conductor 14; Optical scanner 18 is with the specific region of laser projections to the organic photo conductor 14.Because organic photo conductor 14 is made by high sensing optical activity (photoconductive) material, therefore when the specific region on organic photosensitive conductor 14 receives the laser that optical scanner 18 sent, electric charge on this specific region can be because the irradiation of the photon in this laser (photon) make photosensitive material become to conduct electricity discharges, and at this specific region formation one sub-image with relatively low current potential (electrostatic image).The current potential of any point is all relevant with the power that this puts received laser on this sub-image, and in other words, power of the laser that this point is received is high more, and this potential difference is many more; Otherwise the power of the laser that this point is received is low more, and this potential difference is few more; Afterwards, when organic photosensitive conductor 14 rotates to this sub-image when being adjacent to the position of video picture wheel 22, owing to adsorbed the stored carbon dust that has electric charge in the powder box 20 on the video picture wheel 22, therefore, the sub-image that has suitable potential is with regard to the carbon dust on the adsorbable video picture wheel 22, and the adsorbable carbon dust of the point that potential difference is big more on this sub-image institute is also many more; Then, when organic photosensitive conductor 14 rotates to this sub-image when being adjacent to the position of transfer printing wheel 24, because transfer printing wheel 24 negative biass that are electrically connected are than the current potential of any point on this sub-image all strong (absolute value of this negative bias is greater than the absolute value of the current potential of any point on this sub-image), so transfer printing wheel 24 can be transferred to the carbon dust on this sub-image on the print media 11 between transfer printing wheel 24 and the organic photo conductor 14.At this moment, the carbon dust on the print media 11 only is to rely on the electrostatic force of carbon dust itself and print media temporarily to rest on the print media 11, so the rocking or the carbon dust of any other external force on all might mobile print media 11 of laser printer 10; When print media 11 passed through fixing device 26, the heat that fixing device 26 is produced can melt the interior plastic components of carbon dust on the print media 11, and and then the carbon dust on the print media 11 is being decided on print media 11.After transfer printing wheel 24 is transferred to the carbon dust on this sub-image on the print media 11, and when organic photosensitive conductor 14 rotates to this sub-image when being adjacent to the position of electric discharge device 28, electric discharge device 28 can discharge the electric charge on this sub-image fully, to rotate to this specific region (this sub-image disappears) in organic photo conductor 14 when being adjacent to the position of cloth electricity wheel 16, receive the cloth of cloth electricity wheel 16 again.In addition, optical scanner 18 includes an Optical system module 30, be used for according to a dozen printings according to producing a corresponding laser, one optical scanner module 32 is used for this laser that reflective optics module 30 produced, a toroidal lens 33, this laser that is used for optical scanner module 32 is reflected can be advanced with Constant Linear Velocity, toroidal lens 33 can be f-θ lens, and a magnifier module 34, is used for this laser that reflecting curved surface lens 33 are transmitted to organic photo conductor 14.Wherein Optical system module 30 includes a LASER Light Source unit 36, is used for launching laser, and an optical optimization unit 38, is used for optimizing 36 emitted laser in LASER Light Source unit.
See also Fig. 2 and Fig. 3, Fig. 2 is the schematic appearance of existing optical scanner 18, Fig. 3 is the inner member synoptic diagram of existing optical scanner 18, traditional optical scanner 18 all is that the form with module exists, optical scanner 18 includes a pedestal (housing) 40, be used for coating the inner member of optical scanner 18, Optical system module 30, optical scanner module 32, magnifier module 34 is installed on the pedestal 40, again pedestal 40 is integrated and be mounted on the supporting seat (Frame) 42, and supporting seat 42 is provided with a mechanism interface 44, be used for being connected with the body of laser printer 10, for example be connected in casing 12, in order to fixing whole optical scanner 18.Yet prior art optical scanner 18 inner members are integrated in the pedestal 40, again pedestal 40 is installed in the practice on the supporting seat 42, must additionally increase the cost of parts of pedestal 40, and cause the inconvenience of mechanism's assembling, be not to be the mechanism design of a good optical scanister 18.
Summary of the invention
The object of the invention is to provide a kind of optical scanner that is applied to the no foundation design of a laser printer, to solve the above problems.
The objective of the invention is such realization, promptly disclose a kind of optical scanner that is applied to a laser printer, it includes a supporting seat, be connected in a casing, one Optical system module, directly be installed on this supporting seat, be used for according to a dozen printings according to producing a corresponding laser, an optical scanner module, it is locked on this supporting seat, be used for reflecting this laser that this Optical system module produces, one toroidal lens is used for making this laser that this optical scanner module is reflected to advance with Constant Linear Velocity, and a magnifier module, directly be installed on this supporting seat, be used for reflecting this laser to one organic photo conductor that this toroidal lens transmits.
The present invention also discloses a kind of laser printer, it includes a casing, one organic photo conductor, it is rotatably to be installed in this casing, an and optical scanner, be installed in this casing, this optical scanner includes a supporting seat, is connected in this casing, an Optical system module, directly be installed on this supporting seat, be used for according to a dozen printings according to producing a corresponding laser, an optical scanner module, it is locked on this supporting seat, be used for reflecting this laser that this Optical system module produces, one toroidal lens is used for making this laser that this optical scanner module is reflected to advance with Constant Linear Velocity, and a magnifier module, directly be installed on this supporting seat, be used for reflecting this laser to one organic photo conductor that this toroidal lens transmits.
Description of drawings
Fig. 1 is the synoptic diagram of existing laser printer;
Fig. 2 is the schematic appearance of existing optical scanner;
Fig. 3 is the inner member synoptic diagram of existing optical scanner;
Fig. 4 is the synoptic diagram of laser printer of the present invention;
Fig. 5 is the synoptic diagram of supporting seat of the present invention;
Fig. 6 is the synoptic diagram of Optical system module of the present invention;
Fig. 7 is the synoptic diagram of optical scanner module of the present invention;
Fig. 8 is the synoptic diagram of magnifier module of the present invention;
Fig. 9 is the synoptic diagram of optical scanner of the present invention;
Figure 10 installs the synoptic diagram of dustproof module additional for optical scanner of the present invention;
Figure 11 is the schematic rear view of magnifier module of the present invention;
Figure 12 is positioned at the diagrammatic cross-section in original position for catoptron of the present invention;
Figure 13 is that catoptron of the present invention is finely tuned the diagrammatic cross-section after double-screw bolt promotes;
Figure 14 is positioned at the diagrammatic cross-section in original position for another embodiment of the present invention catoptron;
Figure 15 is that another embodiment of the present invention catoptron is finely tuned the diagrammatic cross-section after double-screw bolt promotes.
The main element symbol description:
10 laser printers, 12 casings
14 organic photo conductors, 16 cloth electricity wheel
18 optical scanners, 20 powder boxs
24 transfer printings wheel is taken turns in 22 video pictures
26 fixing devices, 28 electric discharge devices
30 Optical system modules, 32 optical scanner modules
33 toroidal lenss, 34 magnifier module
38 optical optimization unit, 36 LASER Light Source unit
40 pedestals, 42 supporting seats
44 mechanism interfaces, 50 laser printers
52 casings, 54 organic photo conductors
56 cloth electricity wheel, 58 optical scanners
60 powder boxs, 62 video pictures wheel
66 fixing devices are taken turns in 64 transfer printings
68 electric discharge devices, 70 Optical system modules
72 optical scanner modules, 73 toroidal lenss
74 magnifier module, 76 LASER Light Source unit
78 optical optimization unit, 80 supporting seats
81 polygonal mirror structures, 82 motors
84 Reflector bases, 86 catoptrons
88 fixation spring tabs, 90 mechanism interfaces
92 dustproof module 94 adjusting mechanisms
96 reference columns 98 are adjusted screw
100 adjust screw hole 102 fine setting double-screw bolts
104 fine adjustment screws, 1,041 first radius paragraphs
1,042 second radius paragraphs, 106 fine adjustment screws
Embodiment
See also Fig. 4, Fig. 4 is the synoptic diagram of the present invention's one laser printer 50.Laser printer 50 comprises a casing 52, be used for coating the inner member of laser printer 50, one organic photo conductor 54, it is rotatably to be arranged in the casing 52, one cloth electricity wheel 56, be arranged in the casing 52, be used for positive charge is arranged on the organic photo conductor 54 optical scanner 58, be arranged in the casing 52, be used for laser projections to organic photo conductor 54, a powder box 60 is arranged in the casing 52, its internal memory is placed with carbon dust, one video picture wheel 62 is arranged in the casing 52 and is positioned at a side of powder box 60, the carbon dust in its adsorbable powder box 60, one transfer printing wheel 64, be arranged in the casing 52 and be electrically connected to a negative bias (not shown), a fixing device 66 is arranged in the casing 52, it can make the plastic components fusing in the carbon dust, and an electric discharge device 68, be arranged in the casing 52, be used for removing the electric charge on the organic photo conductor 54.
The printing principle and the procedure declaration of laser printer 50 are as follows, and cloth electricity wheel 56 is arranged in positive electricity or negative charge on the organic photo conductor 54; The specific region of the laser projections that optical scanner 58 will have a different capacity to the organic photo conductor 54.Because organic photo conductor 54 is made by high sensing optical activity material, therefore when the specific region on organic photosensitive conductor 54 receives the laser that optical scanner 58 sent, electric charge on this specific region can be because the irradiation of the photon in this laser make photosensitive material become to conduct electricity discharges, and is with the sub-image of relatively low current potential in this specific region formation one.The current potential of any point is all relevant with the power that this puts received laser on this sub-image, and in other words, power of the laser that this point is received is high more, and this potential difference is many more; Otherwise the power of the laser that this point is received is low more, and this potential difference is few more; Afterwards, when organic photosensitive conductor 54 rotates to this sub-image when being adjacent to the position of video picture wheel 62, owing to adsorbed the stored carbon dust that has electric charge in the powder box 60 on the video picture wheel 62, therefore, the sub-image that has suitable potential is with regard to the carbon dust on the adsorbable video picture wheel 62, and the adsorbable carbon dust of the point that potential difference is big more on this sub-image institute is also many more; Then, when organic photosensitive conductor 54 rotates to this sub-image when being adjacent to the position of transfer printing wheel 64, because transfer printing wheel 64 negative biass that are electrically connected are than the current potential of any point on this sub-image all strong (absolute value of this negative bias is greater than the absolute value of the current potential of any point on this sub-image), so transfer printing wheel 64 can be transferred to the carbon dust on this sub-image on the print media 51 between transfer printing wheel 64 and the organic photo conductor 54.At this moment, the carbon dust on the print media 51 only is to rely on the electrostatic force of carbon dust itself and print media temporarily to rest on the print media 51, so the rocking or the carbon dust of any other external force on all might mobile print media 51 of laser printer 50; When print media 51 passed through fixing device 66, the heat that fixing device 66 is produced can melt the interior plastic component of carbon dust on the print media 51, and and then the carbon dust on the print media 51 is being decided on print media 51.After transfer printing wheel 64 is transferred to the carbon dust on this sub-image on the print media 51, and when organic photosensitive conductor 54 rotates to this sub-image when being adjacent to the position of electric discharge device 68, electric discharge device 68 can discharge the electric charge on this sub-image fully, to rotate to this specific region (this sub-image disappears) in organic photo conductor 54 when being adjacent to the position of cloth electricity wheel 56, receive the cloth of cloth electricity wheel 56 again.In addition, optical scanner 58 includes an Optical system module 70, be used for according to a dozen printings according to producing a corresponding laser, one optical scanner module 72 is used for this laser that reflective optics module 70 produced, a toroidal lens 73, this laser that is used for optical scanner module 72 is reflected can be advanced with Constant Linear Velocity, toroidal lens 73 can be f-θ lens, and a magnifier module 74, is used for this laser that reflecting curved surface lens 73 are transmitted to organic photo conductor 54.Wherein Optical system module 70 includes a LASER Light Source unit 76, is used for launching laser, and an optical optimization unit 78, is used for optimizing 76 emitted laser in LASER Light Source unit.
See also Fig. 5 to Fig. 9, Fig. 5 is the synoptic diagram of the present invention's one supporting seat 80, Fig. 6 is the synoptic diagram of Optical system module 70 of the present invention, Fig. 7 is the synoptic diagram of optical scanner module 72 of the present invention, toroidal lens 73 is incorporated into Optical system module 70, and optical scanner module 72 includes a polygonal mirror structure 80, is used for this laser that reflective optics module 70 produced, and a motor 82, be used for driving polygonal mirror structure 80 and be rotated; Optical scanner module 72 or can be a micro electronmechanical scanner, it is that the picture element eyeglass with one group of special angle that can pivot is formed array, is used for this laser that reflective optics module 70 optionally produced.Fig. 8 is the synoptic diagram of magnifier module 74 of the present invention, magnifier module 74 includes a Reflector base 84, one catoptron 86, be installed on the Reflector base 84, be used for this laser that catoptrics scanner module 72 transmitted to organic photo conductor 54, and two fixation spring tabs 88, be connected in Reflector base 84 and be installed on the both sides of catoptron 86, be used for fixing the angle of catoptron 86.Fig. 9 is the synoptic diagram of optical scanner 58 of the present invention, optical scanner 58 includes supporting seat 80, Optical system module 70, optical scanner module 72, magnifier module 74 directly are installed on the supporting seat 80, wherein Optical system module 70, optical scanner module 72, magnifier module 74 mode that can lock is directly connected in supporting seat 80, and the use of saving the prior art pedestal, can reduce the additional parts cost of pedestal thus, and make mechanism oversimplify, and increase the convenience of assembling.Supporting seat 80 is provided with mechanism's interface 90, is used for being connected with the body of laser printer 50, for example is connected in casing 52, in order to fixing whole optical scanner 58.
In addition, see also Figure 10, Figure 10 installs the synoptic diagram of a dustproof module 92 additional for optical scanner 58 of the present invention, optical scanner 58 can comprise dustproof module 92 in addition, be installed on 80 supporting seats, be used for covering Optical system module 70, optical scanner module 72, and magnifier module 74, fall in the optical scanner 58 to avoid dust, carbon dust or other impurity.
See also Fig. 8, Fig. 9, with Figure 11, Figure 11 is the schematic rear view of magnifier module 74 of the present invention, and magnifier module 74 comprises an adjusting mechanism 94 in addition, is used for adjusting the angle of catoptron 86.Adjusting mechanism 94 comprises a reference column 96, be arranged at a side of Reflector base 84, Reflector base 84 can rotate (swing) with respect to reference column 96 in Y direction, and meaning can move horizontally on the X-Z plane, uses optics deflection (skew) displacement of adjusting magnifier module 74 integral body.Adjusting mechanism 94 comprises one in addition and adjusts screw 98, being installed on one on the opposite side of Reflector base 84 adjusts in the screw hole 100, be used for fixing Reflector base 84 and supporting seat 80, that is to say that working as Reflector base 84 moves horizontally on the X-Z plane with respect to reference column 96, and after suitably adjusting the optics deflection displacement of magnifier module 74 integral body, if reached ideal position, can be locked in the adjustment screw hole 100 adjusting screw 98, in order to limit moving of 80 of Reflector base 84 and supporting seats.Moreover, adjusting mechanism 94 comprises a fine setting double-screw bolt 102 in addition, be connected in Reflector base 84 and be connected to catoptron 86, an and fine adjustment screw 104, be installed in the fine setting double-screw bolt 102, be used for promoting fine setting double-screw bolt 102, change the angle of catoptron 86 so that fine setting double-screw bolt 102 promotes catoptron 86, change the optical path of this laser in order to fine setting.Because adjusting mechanism 94 directly is installed on the supporting seat 80, so the present invention is except the advantage of saving the base material cost, can solve in addition existing must be with pedestal by disassembling the shortcoming that can adjust mirror angle on the bracing frame, and increase the convenience of adjusting mirror angle.
See also Figure 12 and Figure 13, Figure 12 is positioned at the diagrammatic cross-section in original position for catoptron 86 of the present invention, Figure 13 is the diagrammatic cross-section after catoptron 86 of the present invention is promoted by fine setting double-screw bolts 102, wherein fine adjustment screw 104 has one first radius paragraph 1041 and one second radius paragraph 1042, the second radius paragraph 1042 is greater than the first radius paragraph 1041, the user can pass through rotary fine adjustment screw 104, so that fine adjustment screw 104 moves in ± Y direction in fine setting double-screw bolt 102, transfer screw 104 in the primary importance shown in Figure 12 figure or a second place shown in Figure 13 in order to optionally to locate, when fine adjustment screw 104 is positioned this primary importance, fine adjustment screw 104 is with the first radius paragraph, 1041 butts fine setting double-screw bolt 102, finely tune double-screw bolt 102 and be connected to catoptron 86 just this moment, can't promote catoptron 86, and make catoptron 86 present one first angle; When fine adjustment screw 104 is positioned this second place, fine adjustment screw 104 is to be connected to fine setting double-screw bolt 102 with the second radius paragraph 1042, that is to say that fine adjustment screw 104 can promote fine setting double-screw bolt 102 past-Z-directions and move (fine setting double-screw bolt 102 can be made up of flexible materials), so fine setting double-screw bolt 102 can related promotion catoptron 86 past-Z-directions move, meaning is that catoptron 86 can rotate (roll) around X-direction, so that this catoptron 86 presents one second angle, and owing to fixation spring tab 88 is made up of elastic material, so can move and produce elastic deformation along with catoptron 86, can bestow catoptron 86 1 elastic forces with time fixation spring tab 88, present this second angle in order to stationary mirror 86, and when fine adjustment screw 104 is adjusted back this primary importance, fixation spring tab 88 can return back to originally the not state of elastic deformation, so can bestow catoptron 86 1 elastic-restoring forces, and make catoptron 86 return back to this first angle.Because fine adjustment screw 104 has a plurality of radius paragraphs, so catoptron 86 can be adjusted to corresponding a plurality of angle position.To adjust the mechanism of catoptron 86 angles, can adjust optical scanning (scanlocation) displacement of magnifier module 74 integral body by above-mentioned rotary fine adjustment screw 104.
In addition, see also Figure 14 and Figure 15, Figure 14 is positioned at the diagrammatic cross-section in original position for another embodiment of the present invention catoptron 86, Figure 15 is the diagrammatic cross-section after another embodiment of the present invention catoptron 86 is promoted by fine setting double-screw bolt 102, with the foregoing description difference for being to utilize a fine adjustment screw 106 directly to promote catoptrons 86 in the present embodiment, in order to adjust the angle of catoptron 86.The user can pass through rotary fine adjustment screw 106, so that fine adjustment screw 106 moves in ± Y direction, transfer screw 106 in one the 3rd position shown in Figure 14 or one the 4th position shown in Figure 15 in order to location optionally, when fine adjustment screw 106 is positioned the 3rd position, fine adjustment screw 106 can't promote catoptron 86, and makes catoptron 86 present a third angle degree; When fine adjustment screw 104 is positioned the 4th position, fine adjustment screw 106 can promote catoptron 86 past-Z-directions and move, meaning is that catoptron 86 can rotate around X-direction, so that this catoptron 86 presents one the 4th angle, and owing to fixation spring tab 88 is made up of elastic material, so can move and produce elastic deformation along with catoptron 86, can bestow catoptron 86 1 elastic forces with time fixation spring tab 88, present the 4th angle in order to stationary mirror 86, and when fine adjustment screw 104 is adjusted go back to the 3rd position, fixation spring tab 88 can return back to originally the not state of elastic deformation, so can bestow catoptron 86 1 elastic-restoring forces, and make catoptron 86 return back to this third angle degree.Because fine adjustment screw 106 can be located in variant position, so catoptron 86 can be adjusted to corresponding angle position.To adjust the mechanism of catoptron 86 angles, also can adjust the optical scanning displacement of magnifier module 74 integral body by above-mentioned rotary fine adjustment screw 106.
Be compared to prior art, the optical scanner that the present invention is applied to laser printer is the mechanism design that adopts no foundation design, the meaning promptly directly with combination of elements such as Optical system module, optical scanner module, magnifier module in supporting seat, and the use of saving the prior art pedestal, can reduce the additional parts cost of pedestal thus, and increase the convenience of adjusting mirror angle, and make mechanism oversimplify, and increase the convenience of assembling.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.

Claims (26)

1. optical scanner, it includes:
One supporting seat is connected in a casing;
One Optical system module directly is installed on this supporting seat, is used for according to a dozen printings according to producing a corresponding laser;
One optical scanner module, it is locked on this supporting seat, is used for reflecting this laser that this Optical system module produces;
One toroidal lens is used for making this laser that this optical scanner module is reflected to advance with Constant Linear Velocity; And
One magnifier module directly is installed on this supporting seat, is used for reflecting this laser to one organic photo conductor (Organic Photo Conductor) that this toroidal lens transmits.
2. optical scanner as claimed in claim 1, wherein this Optical system module includes:
One LASER Light Source unit is used for launching laser; And
One optical optimization unit is used for optimizing this LASER Light Source unit institute emitted laser.
3. optical scanner as claimed in claim 1, wherein this Optical system module is locked on this supporting seat.
4. optical scanner as claimed in claim 1, wherein this optical scanner module includes:
One polygonal mirror structure is used for reflecting this laser that this Optical system module produces; And
One motor is used for driving this polygonal mirror structure and is rotated.
5. optical scanner as claimed in claim 1, wherein this optical scanner module is a micro electronmechanical scanner.
6. optical scanner as claimed in claim 1, it comprises a dustproof module in addition, is installed on this supporting seat, is used for covering this Optical system module, this optical scanner module and this magnifier module.
7. optical scanner as claimed in claim 1, wherein this magnifier module includes:
One Reflector base;
One catoptron is installed on this Reflector base, is used for reflecting this laser that this optical scanner module transmitted to this organic photo conductor; And
One adjusting mechanism is used for adjusting the angle of this catoptron.
8. optical scanner as claimed in claim 7, wherein this magnifier module includes a fixation spring tab in addition, is used for fixing the angle of this catoptron.
9. optical scanner as claimed in claim 7, wherein this adjusting mechanism includes:
One reference column is arranged at a side of this Reflector base, is used for connecting this Reflector base and this supporting seat, and this Reflector base can rotate with respect to this reference column; And
One adjusts screw, is installed on one on the opposite side of this Reflector base and adjusts in the screw hole, is used for fixing this Reflector base and this supporting seat.
10. optical scanner as claimed in claim 7, wherein this adjusting mechanism includes:
One fine setting double-screw bolt is connected in this Reflector base and is connected to this catoptron; And
One fine adjustment screw is installed in this fine setting double-screw bolt, is used for promoting this fine setting double-screw bolt, changes the angle of this catoptron so that this fine setting double-screw bolt promotes this catoptron.
11. optical scanner as claimed in claim 10, wherein this fine adjustment screw optionally is positioned different position on this adjustment double-screw bolt, and makes this fine setting double-screw bolt adjust this catoptron by the position of different butts, so that catoptron presents different angles.
12. optical scanner as claimed in claim 7, wherein this adjusting mechanism includes:
One fine adjustment screw is connected to this catoptron, is used for promoting this catoptron.
13. optical scanner as claimed in claim 1, wherein this magnifier module is locked on this supporting seat.
14. a laser printer, it includes:
One casing;
One organic photo conductor, it is rotatably to be installed in this casing; And
One optical scanner is installed in this casing, and this optical scanner includes:
One supporting seat is connected in this casing;
One Optical system module directly is installed on this supporting seat, is used for according to a dozen printings according to producing a corresponding laser;
One optical scanner module, it is locked on this supporting seat, is used for reflecting this laser that this Optical system module produces;
One toroidal lens is used for making this laser that this optical scanner module is reflected to advance with Constant Linear Velocity; And
One magnifier module directly is installed on this supporting seat, is used for reflecting this laser to one organic photo conductor that this toroidal lens transmits.
15. laser printer as claimed in claim 14, wherein this Optical system module includes:
One LASER Light Source unit is used for launching laser; And
One optical optimization unit is used for optimizing this LASER Light Source unit institute emitted laser.
16. laser printer as claimed in claim 14, wherein this Optical system module is locked on this supporting seat.
17. laser printer as claimed in claim 14, wherein this optical scanner module includes:
One polygonal mirror structure is used for reflecting this laser that this Optical system module produces; And
One motor is used for driving this polygonal mirror structure and is rotated.
18. laser printer as claimed in claim 14, wherein this optical scanner module is a micro electronmechanical scanner.
19. laser printer as claimed in claim 14, it comprises a dustproof module in addition, is installed on this supporting seat, is used for covering this Optical system module, this optical scanner module and this magnifier module.
20. laser printer as claimed in claim 14, wherein this magnifier module includes:
One Reflector base;
One catoptron is installed on this Reflector base, is used for reflecting this laser that this optical scanner module transmitted to this organic photo conductor; And
One adjusting mechanism is used for adjusting the angle of this catoptron.
21. laser printer as claimed in claim 20, wherein this magnifier module includes a fixation spring tab in addition, is used for fixing the angle of this catoptron.
22. laser printer as claimed in claim 20, wherein this adjusting mechanism includes:
One reference column is arranged at a side of this Reflector base, is used for connecting this Reflector base and this supporting seat, and this Reflector base can rotate with respect to this reference column; And
One adjusts screw, is installed on one on the opposite side of this Reflector base and adjusts in the screw hole, is used for fixing this Reflector base and this supporting seat.
23. laser printer as claimed in claim 20, wherein this adjusting mechanism includes:
One fine setting double-screw bolt is connected in this Reflector base and is connected to this catoptron; And
One fine adjustment screw is installed in this fine setting double-screw bolt, is used for promoting this fine setting double-screw bolt, changes the angle of this catoptron so that this fine setting double-screw bolt promotes this catoptron.
24. laser printer as claimed in claim 23, wherein this fine adjustment screw optionally is positioned different position on this adjustment double-screw bolt, and makes this fine setting double-screw bolt adjust this catoptron by the position of different butts, so that this catoptron presents different angles.
25. laser printer as claimed in claim 20, wherein this adjusting mechanism includes:
One fine adjustment screw is connected to this catoptron, is used for promoting this catoptron.
26. laser printer as claimed in claim 14, wherein this magnifier module is locked on this supporting seat.
CN200610168687A 2006-12-22 2006-12-22 Optical scanner for laser printer Expired - Fee Related CN100578379C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200610168687A CN100578379C (en) 2006-12-22 2006-12-22 Optical scanner for laser printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200610168687A CN100578379C (en) 2006-12-22 2006-12-22 Optical scanner for laser printer

Publications (2)

Publication Number Publication Date
CN101206439A CN101206439A (en) 2008-06-25
CN100578379C true CN100578379C (en) 2010-01-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200610168687A Expired - Fee Related CN100578379C (en) 2006-12-22 2006-12-22 Optical scanner for laser printer

Country Status (1)

Country Link
CN (1) CN100578379C (en)

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CN101206439A (en) 2008-06-25

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