JPS5995570A - Fixing and exposing device of copying machine - Google Patents
Fixing and exposing device of copying machineInfo
- Publication number
- JPS5995570A JPS5995570A JP20639882A JP20639882A JPS5995570A JP S5995570 A JPS5995570 A JP S5995570A JP 20639882 A JP20639882 A JP 20639882A JP 20639882 A JP20639882 A JP 20639882A JP S5995570 A JPS5995570 A JP S5995570A
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- platen
- toner image
- light source
- mirror
- 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
Links
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 108091008695 photoreceptors Proteins 0.000 description 4
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- 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
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2007—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using radiant heat, e.g. infrared lamps, microwave heaters
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
- G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Fixing For Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】 本発明は複写様の定着兼露光装置に関する。[Detailed description of the invention] The present invention relates to a fixing and exposing device for copying.
従来、複写機は第1図に示すようにプラテン1上に載置
した原稿を露光する光源2と、用紙3上に形成された未
定着のトナー像を定着する定着装置の熱源であるランプ
4とは各々別個に設り−1且つ画定の位置に配置するよ
うに構成されていたので、装膜全体が複雑高価になると
いう欠点があった。Conventionally, as shown in FIG. 1, a copying machine has a light source 2 that exposes a document placed on a platen 1, and a lamp 4 that is a heat source of a fixing device that fixes an unfixed toner image formed on a sheet of paper 3. Since each of the membranes was constructed to be separately provided and placed at a defined position, there was a drawback that the entire coating was complicated and expensive.
本発明は上記従来の複写機の欠点を除去するためになさ
れたものであって、上記用紙上に形成される未定着のト
ナー像を用紙に加熱定着するにおプこシ、これをレーザ
ービームのI@射熱エネルギーで行うと共に、該レーザ
ービームを、プラテン上に載置した原稿を感光体へ露光
する光源としても使用するようにした複写機の定着兼用
う′o装置を提供することな目的とする。The present invention has been made in order to eliminate the drawbacks of the conventional copying machine described above. To provide a fusing device for a copying machine which uses radiant thermal energy and also uses the laser beam as a light source to expose an original placed on a platen to a photoreceptor. purpose.
以下本発明を、図面に示す実施例に基づいて詳細に説明
する。The present invention will be described in detail below based on embodiments shown in the drawings.
第2図は本発明に係る定着兼露光装置の概略構成図であ
る。FIG. 2 is a schematic diagram of the fixing/exposure device according to the present invention.
モーフ5を備え高速回転を可能とした多面体ミラー6を
感光体7の転写点後方の用紙搬送路上に配置する。該多
面体ミラー6に対し、レーザー光源8を用紙搬送路近傍
の適所に配置し、該レーザー光源8から照射されるレー
ザービームを上記多面体ミラー6で反射し用紙搬送路へ
と指向するように構成する。従ってレーザービームは多
面体ミラー6の回転に伴って上記用紙搬送路を搬送方向
に対して直交するように高速スキャンするものである。A polyhedral mirror 6 equipped with a morph 5 and capable of high-speed rotation is arranged on the paper conveyance path behind the transfer point of the photoreceptor 7. A laser light source 8 is disposed at an appropriate location near the paper transport path with respect to the polyhedral mirror 6, and the laser beam irradiated from the laser light source 8 is configured to be reflected by the polyhedral mirror 6 and directed toward the paper transport path. . Therefore, the laser beam scans the paper transport path at high speed perpendicular to the transport direction as the polyhedral mirror 6 rotates.
又上記多面体ミラー6から用紙搬送路に向けて反射する
レーザービームの光路の中間には光路補正用の補正レン
ズ9と、該レーザービームの光路を用紙搬送路方向から
プラテン100T面の所定の位置へと切換えるための切
換えミラー11を配置する。該切換えミラー11はヒン
ジによって回動可能とする。In addition, a correction lens 9 for optical path correction is provided in the middle of the optical path of the laser beam reflected from the polyhedral mirror 6 toward the paper transport path, and a correction lens 9 is provided to direct the optical path of the laser beam from the paper transport path direction to a predetermined position on the platen 100T surface. A switching mirror 11 is provided for switching between the two. The switching mirror 11 is rotatable by a hinge.
更に上記切換えミラー11からプラテン10の1面に至
るレーザービームの光路には光路補正用の補正レンズ1
2を配置する。Furthermore, a correction lens 1 for optical path correction is provided on the optical path of the laser beam from the switching mirror 11 to one surface of the platen 10.
Place 2.
以上のように構成する本発明の定着兼露光装置について
以下その動作を説明する。The operation of the fixing/exposure device of the present invention constructed as described above will be described below.
まず、プラテン10上に載置した原稿の露光を行ない、
前記感光体7上にPa像を形成するためには、切換えミ
ラー11をレーザービームと交叉させ、レーザー光源8
から多面体ミラー6を介し用紙搬送路に向けて反射させ
たレーザービームを前記切換えミラー11によってプラ
テン10の下面の所定の位置へと指向し、プラテン10
上に載置した原稿を、多面体ミラー6の回転に伴ってプ
ラテン10の移動方向と直交するように高速スキャンし
て露う℃する。First, the original placed on the platen 10 is exposed,
In order to form the Pa image on the photoreceptor 7, the switching mirror 11 is made to intersect with the laser beam, and the laser light source 8 is
The laser beam reflected from the laser beam toward the paper conveyance path via the polyhedral mirror 6 is directed to a predetermined position on the lower surface of the platen 10 by the switching mirror 11.
The document placed thereon is scanned at high speed perpendicular to the moving direction of the platen 10 as the polyhedral mirror 6 rotates.
次に、このようにして感光体T上に形成した潜像を現像
し、用紙に転写した後、当該用紙上に形成された未定歴
のトナー像を定着するには、前記切換えミラ−11t1
多面体ミラー6によって反射されるレーザービームのy
L路から外れた位置に移動し、当該ビームを多面体ミラ
ー6から搬送中の用紙上に直接fI@射するようにし、
しかも多面体ミラー60回転によって上記用紙に対して
搬送方向に直交して高速スキャンさせれば良く、斯くす
れば上記用紙上に形成された未定力のトナー像はレーザ
ービームの照射熱エネルギーによって用紙上に定着され
る。Next, after developing the latent image formed on the photoconductor T in this way and transferring it to a sheet of paper, in order to fix the undefined toner image formed on the sheet of paper, the switching mirror 11t1
y of the laser beam reflected by the polyhedral mirror 6
Move to a position away from the L path and direct the beam from the polyhedral mirror 6 onto the paper being conveyed,
Moreover, it is only necessary to scan the paper at high speed perpendicular to the conveying direction by rotating the polyhedral mirror 60 times, and in this way, the toner image of undetermined force formed on the paper is transferred onto the paper by the thermal energy irradiated with the laser beam. It will be established.
本発明は以上説明したように構成し且つ動作するもので
あるから、部品点数の削温、これに基づく製作コストの
低減、並びに故障率を低下する効果が著しいものである
。Since the present invention is configured and operates as described above, it has a remarkable effect of reducing the number of parts, thereby reducing manufacturing costs, and reducing failure rates.
第1図は従来の複写機の露光装置から定滑器に至る81
1分の概略構成図、第2@は本発明に係る露光す11定
着装置の概略構成図である。
7・・・・感光体、8・・・・レーザー光源、10・e
@−プラテン、11・匍l+−切換ミラー。
特許出願人 富士ゼロックス株式会社
に) 中 第1図
第2図
ぐ= 口=)Figure 1 shows the 81 steps from the exposure device to the stabilizer of a conventional copying machine.
1 is a schematic configuration diagram of the exposure device 11 and the second diagram is a schematic configuration diagram of the fixing device according to the present invention. 7... Photoreceptor, 8... Laser light source, 10.e
@-Platen, 11.1 + - switching mirror. Patent applicant: Fuji Xerox Co., Ltd.)
Claims (1)
ービームを配置し、該レーザー光源から放射されるレー
ザービームを上記用紙搬送路の所定の位置で用紙搬送方
向に対し繰返し直交しうるよう高速でスキャンニングす
るように構成すると共に、上記レーザー光源と用紙搬送
路上の照射点との中間にレーザービームの切換えミラー
な回動可能に配置し、該切換えミラーの一方の位置にお
いては、レーザービームな用紙上に形成された未定着の
トナー像の定着に使用し、他力の位置においては前記レ
ーザービームをプラテン1面の所定の位置に導いて原稿
を照射露光するようにしたことを特徴とする複写機の定
着兼露光装置。A laser beam is placed at a suitable location near the paper transport path behind the transfer point of the sensor body, and the laser beam emitted from the laser light source can be repeatedly perpendicular to the paper transport direction at a predetermined position on the paper transport path. In addition, a laser beam switching mirror is rotatably arranged between the laser light source and the irradiation point on the paper conveyance path, and at one position of the switching mirror, the laser beam is rotated. The laser beam is used to fix an unfixed toner image formed on a sheet of paper, and when the laser beam is in a position where the laser beam is not fixed, the laser beam is guided to a predetermined position on one surface of the platen to irradiate and expose the document. A fixing and exposure device for copying machines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20639882A JPS5995570A (en) | 1982-11-25 | 1982-11-25 | Fixing and exposing device of copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20639882A JPS5995570A (en) | 1982-11-25 | 1982-11-25 | Fixing and exposing device of copying machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5995570A true JPS5995570A (en) | 1984-06-01 |
Family
ID=16522690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20639882A Pending JPS5995570A (en) | 1982-11-25 | 1982-11-25 | Fixing and exposing device of copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5995570A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01105271A (en) * | 1987-10-19 | 1989-04-21 | Oki Electric Ind Co Ltd | Electrophotographic reader and printer |
US6690406B2 (en) * | 2000-05-15 | 2004-02-10 | Fuji Photo Film Co., Ltd. | Image recording device |
-
1982
- 1982-11-25 JP JP20639882A patent/JPS5995570A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01105271A (en) * | 1987-10-19 | 1989-04-21 | Oki Electric Ind Co Ltd | Electrophotographic reader and printer |
JPH0722317B2 (en) * | 1987-10-19 | 1995-03-08 | 沖電気工業株式会社 | Electrophotographic reader / printer |
US6690406B2 (en) * | 2000-05-15 | 2004-02-10 | Fuji Photo Film Co., Ltd. | Image recording device |
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