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CN106079908A - A kind of high speed laser printer - Google Patents

A kind of high speed laser printer Download PDF

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Publication number
CN106079908A
CN106079908A CN201610715967.7A CN201610715967A CN106079908A CN 106079908 A CN106079908 A CN 106079908A CN 201610715967 A CN201610715967 A CN 201610715967A CN 106079908 A CN106079908 A CN 106079908A
Authority
CN
China
Prior art keywords
lens
laser
carton
discharge tube
control circuit
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610715967.7A
Other languages
Chinese (zh)
Inventor
刘勇
云峰
解翠英
崔乃英
吴香山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Zhong Ying Science And Technology Co Ltd
Original Assignee
Dalian Zhong Ying Science And Technology Co Ltd
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
Application filed by Dalian Zhong Ying Science And Technology Co Ltd filed Critical Dalian Zhong Ying Science And Technology Co Ltd
Priority to CN201610715967.7A priority Critical patent/CN106079908A/en
Publication of CN106079908A publication Critical patent/CN106079908A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/455Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using laser arrays, the laser array being smaller than the medium to be recorded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Facsimile Scanning Arrangements (AREA)

Abstract

A kind of high speed laser printer, the invention belongs to printer technology field, comprises housing, at least one carton, laser cell, two printing equipments, at least one collection carton and two paper delivery unit;Described printing equipment comprises: paper feed assembly, scanning element and paper delivery unit;Laser cell is positioned at casing center position;Carton is positioned at the bottom of housing;Carton, paper feed assembly, scanning element, paper delivery unit and collection carton are sequentially connected in series by paper feed passage;Scanning element and two laser cells are positioned in same level.This invention consists of two structure relatively simple laser printing unit, the laser instrument controlled by a synchronous bidirectional is as light source, one control system is uniformly controlled, both ensure that the quality advantage good, fireballing of laser printer, the problem that high speed laser printer structure is complicated, cost is high can be solved again, it is achieved the low cost of laser machine, high efficiency purpose.

Description

A kind of high speed laser printer
Technical field
The invention belongs to printer technology field, be specifically related to a kind of high speed laser printer.
Background technology
The advantages such as laser printer is fast with its print speed, definition is high, noise is little, fault is few, have been users It is familiar with, understanding.But for the user that printing amount demand is bigger, common laser printer is difficult to meet their requirement, But the high speed laser printer price in currently available technology is high, its special cost is high, when causing user's life-time service, closes Meter cost is greatly improved, and makes general user hope and halt.
Summary of the invention
For solving above-mentioned technological deficiency, the invention provides a kind of high speed laser printer, there is simple in construction, accessory one-tenth This is low, the feature that efficiency is high.
The present invention takes techniques below scheme to realize: the laser information processing system of a kind of bilateral scanning function, It is characterized in that comprising: shell, polygon prism, lens, LASER Discharge Tube, motor, LASER Discharge Tube control circuit plate, prism control Circuit board and control unit;Described lens are two groups, often group three, respectively lens A, lens B and lens C;First group Described lens A and described lens B is installed on the left end of described polygon prism the most successively, and another organizes described lens A and described Lens B is installed on the right-hand member of described polygon prism from right to left;Lens C described in two groups be respectively arranged in the front portion of described polygon prism with And rear portion;Described LASER Discharge Tube is two groups, respectively be positioned at the outside of lens described in two groups;Two described Laser emission management and control Circuit board processed is connected with two described LASER Discharge Tube respectively, and described prism control circuit plate is connected with described polygon prism;Described Control unit is connected with described LASER Discharge Tube control circuit plate and described prism control circuit plate.
Preferably, described polygon prism is installed on described motor, and described motor is fixedly installed in the middle part of described shell;Institute Stating motor is DC brushless motor.
Preferably, described lens B is concavees lens, and described lens A is convex lens, and described lens C is composite convex lens.
Preferably, the cross section of described polygon prism be equilateral polygon and each limit optical characteristics consistent.
The present invention also protects a kind of high speed laser printer, comprise housing, at least one carton, laser cell, two Individual printing equipment, at least one collection carton and two paper delivery unit;Described printing equipment comprises: paper feed assembly, scanning list Unit and paper delivery unit;Laser cell is positioned at casing center position;Carton is positioned at the bottom of housing;Carton, paper feed assembly, scanning Unit, paper delivery unit 15 and collection carton are sequentially connected in series by paper feed passage;The light central alignment of two laser cells is swept Retouch the light drum of unit.
Preferably, described laser cell comprises shell, polygon prism, lens, LASER Discharge Tube, motor, Laser emission management and control Circuit board processed, prism control circuit plate and control unit;Described lens are two groups, often group three, respectively lens A, lens B And lens C;Lens A described in first group and described lens B is installed on the left end of described polygon prism, another group the most successively Described lens A and described lens B is installed on the right-hand member of described polygon prism from right to left;Described in two groups, lens C is respectively arranged in institute State front portion and the rear portion of polygon prism;Described LASER Discharge Tube is two groups, respectively be positioned at the outside of lens described in two groups;Two Described LASER Discharge Tube control circuit plate is connected with two described LASER Discharge Tube respectively, and described prism control circuit plate is with described Polygon prism is connected;Described control unit is connected with described LASER Discharge Tube control circuit plate and described prism control circuit plate.
Preferably, described polygon prism is installed on described motor, and described motor is fixedly installed in the middle part of described shell;Institute Stating motor is DC brushless motor.
Preferably, described lens B is concavees lens, and described lens A is convex lens, and described lens C is composite convex lens.
Preferably, the cross section of described polygon prism be equilateral polygon and each limit optical characteristics consistent.
The present invention also protects a kind of high-rate laser type information control system, comprise housing, at least one carton, one swash Light unit, two printing equipments, at least one collect carton, two paper delivery unit and a control system;Described printing fills Put and comprise: paper feed assembly, scanning element and paper delivery unit;Laser cell is positioned at casing center position;Carton is positioned at housing Bottom;Carton, paper feed assembly, scanning element, paper delivery unit and collection carton are sequentially connected in series by paper feed passage;Scanning element It is positioned in same level with two laser cells;Described control system controls two described printing equipments and independently uses, Also control two described printing equipments to use as an integral printer;Described control system controls two described printing equipments When using as overall structure, a described printing equipment prints odd page, another described printing equipment prints verso, institute State control system to control the printing content of a described printing equipment is carried out caching of page, export after mirror image, it is ensured that described in two The printing content direction of printing equipment is consistent;Described control system receives the paper-in sensor being positioned between paper feed assembly and carton and sends out The signal gone out, and print by printing equipment which described according to described signal control paper, control the paper delivery time.
Beneficial effects of the present invention is that this inventive structure is simple, with accessory highly versatile of the prior art, print speed Hurry up, fault is few, it is easy to maintenance.And speed, low cost, can meet the demand of the bigger user of printing amount.
Accompanying drawing explanation
Fig. 1 is side view of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the structural representation of the laser cell of the present invention.
Description of reference numerals:
1-1-LASER Discharge Tube, 2-1-lens A, 3-1-lens B, 4-polygon prism, 5-1-lens C, 6-1 scanning area A, 1- 2-LASER Discharge Tube, 2-2-lens A, 3-2-lens B, 4-polygon prism, 5-2-lens C, 6-2 scanning area B, 7-motor, 8-1 swashs Light-emitting tube control circuit plate, 8-2 LASER Discharge Tube control circuit plate, 9-polygon prism control circuit plate;10-carton, 11-laser Unit, 12-paper feed assembly, 13-scanning element, 14-collects carton, 15-paper delivery unit.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by specific embodiment, the invention will be further described.Following example are descriptive , it not determinate, it is impossible to limit protection scope of the present invention with this.
As shown in Fig. 1 Fig. 2, the invention provides a kind of simple in construction, fast laser printer embodiment, including shell Body, 10, laser cell 11 of a carton, two printing equipments of specular, collection 14, two paper delivery lists of carton Unit 15 and a control system.Wherein, described printing equipment comprises: paper feed assembly 12, scanning element 13 and paper delivery unit 15;Laser cell 11 is positioned at casing center position;Carton 10 is positioned at the sidepiece of housing;Carton 10, paper feed assembly 12, scanning element 13, paper delivery unit 15 and collection carton 14 are sequentially connected in series by paper feed passage.The light central alignment scanning of laser cell 11 The light drum of unit 13.
As shown in Fig. 1 Fig. 3, when operation, the paper in carton 10, according to the requirement paper feed of control system, is led to by paper feed Road enter scanning element 13, by the polygon prism 4 in laser cell 11 to photosensitive drums irradiate, now photosensitive drums charging time it Drum surface is filled with electric charge.The laser of LASER Discharge Tube 1-1 and the injection of LASER Discharge Tube 1-2 counteracts bulging surface image portion Electric charge beyond Fen, photosensitive drums surface defines the image information identical with print image represented with electric charge.Along with The rotation of photosensitive drums, carbon powder particle is adsorbed onto on photosensitive drums body, defines the carbon powder image of photosensitive drum surface.When paper is passed by sense During light drum, owing to positive and negative charge is attracted each other, the carbon powder image of photosensitive drums is transferred on printing paper.Carbon is made through heating pressurization Powder particles adsorbs with paper fibre completely, defines print image.
Laser cell 11 computer in the course of the work is first converted to the data needed the laser beam letter of laser scanner Breath, paper feeding unit 12 is connected to one end of scanning element 13, and the other end of scanning element 13 is connected to collect carton 14.Beat continuously During print, the paper feed assembly of symmetrical structure, distinguish the most alternately paper feed, printing equipment prints odd opens paper, and another side is beaten Printing equipment is put printing even number and is opened paper, and the final paper printed arranges in collecting carton 14 in order.Owing to utilizing one to synchronize double To the laser cell 11 controlled as light source, therefore produce two groups of synchronizations, the light district that in opposite direction, sweep limits size is identical Territory: scanning area A 6-1 and scanning area B 6-2.Laser cell 11 is controlled by described control system, and described control system is protected The laser cell 11 that card synchronous bidirectional controls, in synchronous scanning to two photosensitive drums.Described control system is beaten described in controlling two Printing equipment puts synchronization relative motion, it is ensured that the content direction that tiled configuration paper delivery is printed is consistent.
The structure of the laser cell 11 in a kind of high speed laser printer that the present invention provides is as shown in Figure 3.At resonator cavity In, corresponding two light sources of polygon prism under a motor control, two light source synchronous control, it is achieved two scanning areas synchronize double To scanning, efficiency brings up to twice.
Laser instrument comprises LASER Discharge Tube, resonator cavity, motor, polygon prism.Resonator cavity be by have certain geometrical shape and The polylith lens of optical reflective characteristics combine in a specific manner.It act as: 1. bulk of optical feedback ability is provided, makes to be excited spoke Penetrate photon repeatedly to come and go to form relevant persistent oscillation at intracavity.2. direction and frequency to intracavity round trip vibration light beam are carried out Limit, to ensure that Output of laser has certain directionality and monochromaticity.The light beam that LASER Discharge Tube is launched must have following Characteristic: 1. high directivity.The light beam sent is not scattering and diffusion in a certain distance.2. high monochromaticity.Pure white light is by seven Coloured light forms.The concentration of 3. high brightness, beneficially light beam with the highest physical energy.The highest coherence, easy superposition and Separate.Light beam is via unthreaded hole and hole inner focusing mirror, outgoing laser beam.
As it is shown in figure 1, an embodiment of the laser instrument of a kind of synchronous bidirectional scan function includes LASER Discharge Tube 1-1, Lens A 2-1, lens B 2-1, polygon prism 4, lens C 5-1, scanning area A 6-1, LASER Discharge Tube 1-2, lens A 2-2, Lens B 3-2, lens C 5-2, scanning area A 6-2, motor-7, LASER Discharge Tube control circuit plate-8-1, LASER Discharge Tube Control circuit plate 8-2, polygon prism control circuit plate-9.Wherein, lens A is convex lens;Lens B is concavees lens, it is ensured that light is put down The lens of row;Lens C is composite convex lens.They form an optical resonator, it is ensured that the uniqueness of light input and output.Many Prism 4 is equilateral polygon, and each limit optical characteristics is consistent.Motor 7 is DC brushless motor, and response is quick, current stabilization, reliably Property high.
Described LASER Discharge Tube 1-1 and LASER Discharge Tube 1-2 are fixed on the relevant position of shell at an angle, swash Light-emitting tube control circuit plate 8-1, LASER Discharge Tube control circuit plate 8-2 is separately mounted to LASER Discharge Tube 1-1 and laser is sent out Penetrating the back side of pipe 1-2, lens A 2-1, lens A 2-2 are separately mounted to the front of LASER Discharge Tube 1-1 and LASER Discharge Tube 1-2 Identical appointment position.Lens A 3-1, lens A 3-2 are separately mounted to the appointment that lens A 2-1, lens A 2-2 front are identical Position.Described polygon prism 4 is fixed on the middle part of shell, LASER Discharge Tube control circuit plate 8-1, LASER Discharge Tube 1-1, lens A2-1 and lens B 3-1 is fixed on the left side of polygon prism 4 the most from left to right;LASER Discharge Tube control circuit plate 8-2, laser Transmitting tube 1-2, lens A 2-2 and lens B 3-2 are fixed on the right side of polygon prism 4 the most from right to left.
Described lens C 5-1, lens C 5-2 is separately fixed at the identical specific bit of the front and rear of polygon prism 4 Put.Described polygon prism 4 is fixed on above motor 7, when motor 7 high speed rotary motion, drives polygon prism 4 to rotate.
When the laser works with synchronous bidirectional scan function of the present invention, described LASER Discharge Tube 1-1 is with sharp Light-emitting tube 1-2, receives the programmed instruction that control unit sends and starts to launch light source, impinge upon on the polygon prism 4 of rotation, and laser is sent out Penetrate pipe 1-1 launch light through lens A2-1, lens B3-1, polygon prism 4, the reflection of lens C 5-1, by light scanning to sweeping Retouch region A 6-1;The light that LASER Discharge Tube 1-2 is launched is through lens A2-2, lens B3-2, polygon prism 4, lens C 5-2 Reflection, by light scanning to scanning area A 6-2;
The scanning direction of described scanning area A6-1 and scanning area B 6-2 light is contrary.
Described scanning area A6-1 and scanning area B 6-2 are of the same size.
Described control unit in described LASER Discharge Tube control circuit plate 8-1 or control circuit plate 8-2 sends order To polygon prism control circuit plate 9, polygon prism control circuit plate 9 is received order rear motor 7 and is started running, and drives polygon prism 4 to rotate. After described motor 7 reaches setting speed, the continuous light source that LASER Discharge Tube 1-1 and LASER Discharge Tube 1-2 were launched originally is according to control The order that unit processed sends, controls light source LASER Discharge Tube 1-1 and the transmitting of LASER Discharge Tube 1-2, between carrying out the most in an orderly manner Disconnected luminescence.The order request that motor 7 sends also according to control unit rotates equably with setting speed.Described control unit synchronizes Control LASER Discharge Tube control circuit plate 8-1 and control circuit plate 8-2, control polygon prism circuit board 9, it is ensured that motor 7 revolves simultaneously Turn the light source that the speed and the angle that drive polygon prism 4 to rotate and LASER Discharge Tube 1-1 and LASER Discharge Tube 1-2 launch and impinge upon many ribs The appointment position of mirror 4 and respective angles match.

Claims (10)

1. the laser information processing system of a bilateral scanning function, it is characterised in that comprise: shell, polygon prism, lens, swash Light-emitting tube, motor, LASER Discharge Tube control circuit plate, prism control circuit plate and control unit;
Described lens are two groups, often group three, respectively lens A, lens B and lens C;Lens A described in first group and described Lens B is installed on the left end of described polygon prism the most successively, and another group described lens A and described lens B pacifies from right to left It is loaded on the right-hand member of described polygon prism;Lens C described in two groups is respectively arranged in front portion and the rear portion of described polygon prism;
Described LASER Discharge Tube is two groups, respectively be positioned at the outside of lens described in two groups;
Two described LASER Discharge Tube control circuit plates are connected with two described LASER Discharge Tube respectively, described prism control circuit Plate is connected with described polygon prism;
Described control unit is connected with described LASER Discharge Tube control circuit plate and described prism control circuit plate.
The laser information processing system of a kind of bilateral scanning function the most according to claim 1, it is characterised in that described Polygon prism is installed on described motor, and described motor is fixedly installed in the middle part of described shell;Described motor is brush DC electricity Machine.
The laser information processing system of a kind of bilateral scanning function the most according to claim 1, it is characterised in that described Lens B is concavees lens, and described lens A is convex lens, and described lens C is composite convex lens.
The laser information processing system of a kind of bilateral scanning function the most according to claim 1, it is characterised in that described The cross section of polygon prism be equilateral polygon and each limit optical characteristics consistent.
5. a high speed laser printer, it is characterised in that comprise housing, at least one carton, laser cell, two beat Printing equipment is put, at least one collects carton and two paper delivery unit;
Described printing equipment comprises: paper feed assembly, scanning element and paper delivery unit;Laser cell is positioned at casing center position; Carton is positioned at the bottom of housing;Carton, paper feed assembly, scanning element, paper delivery unit 15 and collection carton are by paper feed passage It is sequentially connected in series;The light drum of the light central alignment scanning element of two laser cells.
A kind of high speed laser printer the most according to claim 5, it is characterised in that described laser cell comprise shell, Polygon prism, lens, LASER Discharge Tube, motor, LASER Discharge Tube control circuit plate, prism control circuit plate and control unit;
Described lens are two groups, often group three, respectively lens A, lens B and lens C;Lens A described in first group and described Lens B is installed on the left end of described polygon prism the most successively, and another group described lens A and described lens B pacifies from right to left It is loaded on the right-hand member of described polygon prism;Lens C described in two groups is respectively arranged in front portion and the rear portion of described polygon prism;
Described LASER Discharge Tube is two groups, respectively be positioned at the outside of lens described in two groups;
Two described LASER Discharge Tube control circuit plates are connected with two described LASER Discharge Tube respectively, described prism control circuit Plate is connected with described polygon prism;
Described control unit is connected with described LASER Discharge Tube control circuit plate and described prism control circuit plate.
A kind of high speed laser printer, it is characterised in that described polygon prism is installed on described motor On, described motor is fixedly installed in the middle part of described shell;Described motor is DC brushless motor.
A kind of high speed laser printer, it is characterised in that described lens B is concavees lens, described Mirror A is convex lens, and described lens C is composite convex lens.
A kind of high speed laser printer, it is characterised in that the cross section of described polygon prism is equilateral many Xing Qiege limit, limit optical characteristics is consistent.
10. a high-rate laser type information control system, it is characterised in that comprise housing, at least one carton, a laser Unit, two printing equipments, at least one collect carton, two paper delivery unit and a control system;
Described printing equipment comprises: paper feed assembly, scanning element and paper delivery unit;Laser cell is positioned at casing center position; Carton is positioned at the bottom of housing;Carton, paper feed assembly, scanning element, paper delivery unit and collection carton are depended on by paper feed passage Secondary series connection;Scanning element and two laser cells are positioned in same level;
Described control system controls two described printing equipments and independently uses, and also controls two described printing equipments as one Individual integral printer uses;When described control system two described printing equipments of control use as overall structure, described in one Printing equipment prints odd page, another described printing equipment prints verso, and described control system controls to beat described in one The printing content that printing equipment is put carries out caching of page, exports, it is ensured that the printing content direction of two described printing equipments is consistent after mirror image;
Described control system receives the signal that the paper-in sensor being positioned between paper feed assembly and carton sends, and according to described signal Control paper to be printed by printing equipment which described, control the paper delivery time.
CN201610715967.7A 2016-08-24 2016-08-24 A kind of high speed laser printer Pending CN106079908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610715967.7A CN106079908A (en) 2016-08-24 2016-08-24 A kind of high speed laser printer

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Application Number Priority Date Filing Date Title
CN201610715967.7A CN106079908A (en) 2016-08-24 2016-08-24 A kind of high speed laser printer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111231526A (en) * 2020-01-19 2020-06-05 湖北汽车工业学院 Graphic layer printer capable of editing and printing by scanning graphic layer content and using method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6084550A (en) * 1983-10-17 1985-05-13 Canon Inc Printer
CN1117140A (en) * 1994-04-11 1996-02-21 佳能株式会社 light scanning device
JPH091869A (en) * 1995-06-19 1997-01-07 Mita Ind Co Ltd Recorder
US6493098B1 (en) * 1996-06-05 2002-12-10 John S. Cornell Desk-top printer and related method for two-sided printing
JP2005165112A (en) * 2003-12-04 2005-06-23 Canon Inc Image forming apparatus
CN1664648A (en) * 2004-03-05 2005-09-07 夏普株式会社 Light beam scanning unit and image forming apparatus
CN106207734A (en) * 2016-08-24 2016-12-07 大连中盈科技股份有限公司 A kind of laser instrument of synchronous bidirectional
CN206124467U (en) * 2016-08-24 2017-04-26 大连中盈科技股份有限公司 High -speed laser printer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6084550A (en) * 1983-10-17 1985-05-13 Canon Inc Printer
CN1117140A (en) * 1994-04-11 1996-02-21 佳能株式会社 light scanning device
JPH091869A (en) * 1995-06-19 1997-01-07 Mita Ind Co Ltd Recorder
US6493098B1 (en) * 1996-06-05 2002-12-10 John S. Cornell Desk-top printer and related method for two-sided printing
JP2005165112A (en) * 2003-12-04 2005-06-23 Canon Inc Image forming apparatus
CN1664648A (en) * 2004-03-05 2005-09-07 夏普株式会社 Light beam scanning unit and image forming apparatus
CN106207734A (en) * 2016-08-24 2016-12-07 大连中盈科技股份有限公司 A kind of laser instrument of synchronous bidirectional
CN206124467U (en) * 2016-08-24 2017-04-26 大连中盈科技股份有限公司 High -speed laser printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111231526A (en) * 2020-01-19 2020-06-05 湖北汽车工业学院 Graphic layer printer capable of editing and printing by scanning graphic layer content and using method

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