JPS61111259A - Paper feeding device for electrostatic photograph printer - Google Patents
Paper feeding device for electrostatic photograph printerInfo
- Publication number
- JPS61111259A JPS61111259A JP59230772A JP23077284A JPS61111259A JP S61111259 A JPS61111259 A JP S61111259A JP 59230772 A JP59230772 A JP 59230772A JP 23077284 A JP23077284 A JP 23077284A JP S61111259 A JPS61111259 A JP S61111259A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- cover
- paper feed
- main cover
- section
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1628—Clamshell type
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1672—Paper handling
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1672—Paper handling
- G03G2221/1675—Paper handling jam treatment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper Feeding For Electrophotography (AREA)
- Manual Feeding Of Sheets (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、静電写真プリンタの給紙装置に関する。[Detailed description of the invention] Industrial applications The present invention relates to a paper feeding device for an electrostatographic printer.
従来の技術 従来の静電写真プリンタに対する給紙方法は。Conventional technology What is the paper feeding method for traditional electrostatographic printers?
一般にプリンタの筐体の側面に給紙カセットを装着して
行なっている。Generally, this is done by attaching a paper feed cassette to the side of the printer's housing.
発明が解決しようとする問題点
したがって、給紙カセットが筐体の一側から大きく突出
し、設置面積が大きくなる欠点がある。Problems to be Solved by the Invention Therefore, there is a drawback that the paper feed cassette largely protrudes from one side of the housing, resulting in a large installation area.
筐体の下部に給紙カセットを配置したものもあるが、転
写部と給紙カセットとの上下方向の取付間隔が小さいの
で、給紙カセットから引出した用紙を小さな曲率半径で
曲げてＵターンさせなければならない。このため、感光
体と転写部との間に用紙を直進させることが困難で、プ
リントに支障をきたす問題がある。Some models have a paper cassette placed at the bottom of the housing, but since the vertical installation distance between the transfer unit and the paper cassette is small, the paper pulled out from the paper cassette is bent with a small radius of curvature to make a U-turn. There must be. For this reason, it is difficult to advance the paper straight between the photoreceptor and the transfer section, which poses a problem that may impede printing.
この発明はこのような点に鑑みなされもので。This invention was made in view of these points.
設置面積を大幅に縮小し、さらに筐体の内部と用紙経路
とを開放して内部点検及びジャム処理等を容易に行ない
うる静電写真プリンタの給紙装置をうろことを目的とす
る。The purpose of the present invention is to provide a paper feeding device for an electrostatic photographic printer that can greatly reduce the installation area and open the inside of the casing and the paper path to facilitate internal inspection and jam removal.
問題点を解決するための手段
この発明は、感光体８、トナー供給部１０、転写部１１
．定着部１４、紙送部１８等を有する筐！”
体１を設け、この筐体１をベース２とメインカバー３
とを回動自在に連結して形成し、メインカバ３の上面に
給紙カセット２０と給紙ローラ２２とを設け、筐体１に
サブカバー２４を設け、これらの筐体１とサブカバー２
４との間に用紙ガイド２９を形成する。Means for Solving the Problems This invention provides a photoreceptor 8, a toner supply section 10, a transfer section 11.
．． A housing that includes the fixing section 14, paper feeding section 18, etc.! ”
A body 1 is provided, and this housing 1 is connected to a base 2 and a main cover 3.
A paper feed cassette 20 and a paper feed roller 22 are provided on the upper surface of the main cover 3, a sub cover 24 is provided on the housing 1, and the housing 1 and the sub cover 2 are provided with a paper feed cassette 20 and a paper feed roller 22.
4, a paper guide 29 is formed between the paper guide 29 and the paper guide 29.
また、サブカバー２４に手差口３３．３４を形成する。In addition, manual feed ports 33 and 34 are formed in the sub-cover 24.
作用
したがって、給紙カセット２０をメインカバー３の上面
に設けることにより床面積を大幅に縮小することができ
、また、メインカバー３を上方へ開き、サブカバー２４
を筐体１から退避させて用紙ガイド２９を開放すること
ができ、したがって。Function: Therefore, by providing the paper feed cassette 20 on the top surface of the main cover 3, the floor space can be significantly reduced.
can be evacuated from the housing 1 and the paper guide 29 can be opened.
内部点検及びジャム処理等を容易に行なうことが可能と
なる。It becomes possible to easily perform internal inspection, jam removal, etc.
実施例
この発明の第一の実施例を第１図ないし第３図に基いて
説明する。１は筐体である。この筐体１は上面開口の箱
形のベース２と下面開口の箱形のメインカバー３とを支
軸４により回動自在に連結したもので、支軸４と反対側
においてベース２とメインカバー３とは図示しないクラ
ンプにより脱着自在に連結されている。また、ベース２
は支軸５を支点に回動し自重により下方へ付勢されてス
トッパ６に位置決めされるドラムフレーム７を有してい
る。Embodiment A first embodiment of the present invention will be described with reference to FIGS. 1 to 3. 1 is a housing. This housing 1 has a box-shaped base 2 with an opening on the top and a box-shaped main cover 3 with an opening on the bottom, which are rotatably connected by a spindle 4. On the opposite side of the spindle 4, the base 2 and the main cover are connected. 3 and is removably connected by a clamp (not shown). Also, base 2
has a drum frame 7 that rotates about a support shaft 5, is urged downward by its own weight, and is positioned by a stopper 6.
そして、ベース２の一部、すなわちドラムフレーム７に
は円筒形の感光体８がモータ（図示せず）に連結されて
回転自在に支承されているとともに。A cylindrical photoreceptor 8 is connected to a motor (not shown) and rotatably supported on a portion of the base 2, that is, the drum frame 7.
この感光体８の外周にそって帯電部９とトナー供給部１
０と転写部１１とランプ１２とクリーニング部１３とが
取付けられている。さらに、ベース２には定着部である
定着ローラ１４と、排出ローラ１５と、この排出ローラ
１５に圧接された抑圧ローラ１６と、排出ローラ１５及
び定着ローラ１４を駆動するモータ１７と、紙送部１８
とが設けられている。A charging section 9 and a toner supply section 1 are arranged along the outer circumference of the photoreceptor 8.
0, a transfer section 11, a lamp 12, and a cleaning section 13 are attached. Further, the base 2 includes a fixing roller 14 as a fixing section, an ejection roller 15, a suppression roller 16 that is in pressure contact with the ejection roller 15, a motor 17 that drives the ejection roller 15 and the fixing roller 14, and a paper feeding section. 18
and is provided.
また、メインカバー３の上面裏側には感光体８にレーザ
ー光線を走査する光源部１９が保持され。Further, a light source section 19 that scans the photoreceptor 8 with a laser beam is held on the back side of the upper surface of the main cover 3 .
この光源部１９と対向して給紙カセット２０を着脱自在
に保持する保持部２１がメインカバー３に形成されてい
る。この保持部２１の奥にはモータ（図示せず）に連結
された給紙ローラ２２が設けられている。A holding portion 21 that faces the light source portion 19 and holds the paper feed cassette 20 in a detachable manner is formed on the main cover 3 . A paper feed roller 22 connected to a motor (not shown) is provided at the back of this holding portion 21.
しかして、第３図に示すように下縁に複数の突片２３が
形成されたサブカバー２４が設けられている。このサブ
カバー２４は、突片２３をメインカバー３〜に形成した
係止孔２５に差し込み上面内側に設けた板ばね２６を給
紙ローラ２２のための軸受部２−７の外周に係合するこ
とによりメインカバー３に保持されている。そして、メ
インカバー３とサブカバー２４との間には複数の縦長の
リブ２８を有する用紙ガイド２９が形成されている。As shown in FIG. 3, a sub-cover 24 is provided with a plurality of protrusions 23 formed on its lower edge. This sub-cover 24 has a protruding piece 23 inserted into a locking hole 25 formed in the main cover 3 to engage a leaf spring 26 provided on the inside of the upper surface with the outer periphery of the bearing part 2-7 for the paper feed roller 22. Therefore, it is held by the main cover 3. A paper guide 29 having a plurality of vertically long ribs 28 is formed between the main cover 3 and the sub-cover 24.
また、ベース２にはドラムフレーム７に保持されたガイ
ド板３０ともうひとつのガイド板３１とが対向して設け
られている。Further, a guide plate 30 held by the drum frame 7 and another guide plate 31 are provided on the base 2 to face each other.
このような構成において、感光体８を一回転させる過程
でまず、感光体８の外周に帯電部９により帯電層を形成
し、この帯電層に光源部１９からレーザー光線を走査し
て静電潜像を形成し、トナー供給部１０からトナーを供
給して静電潜像を顕像化する。一方、給紙ローラ２２に
より給紙カセット２０から引出された用紙３２は、用紙
ガイド２９とガイド板３０．３１とに導かれて紙送部１
８により感光体８の下部に送られ、さらに転写部１１に
より感光体８のトナー像が転写され、定着ローラ１４に
より定着され、さらに排出ローラ１５と押えローラ１６
とにより排出される。In such a configuration, in the process of rotating the photoreceptor 8 once, a charged layer is first formed on the outer periphery of the photoreceptor 8 by the charging section 9, and a laser beam from the light source section 19 is scanned onto this charged layer to form an electrostatic latent image. The electrostatic latent image is visualized by supplying toner from the toner supply section 10. On the other hand, the paper 32 pulled out from the paper feed cassette 20 by the paper feed roller 22 is guided by the paper guide 29 and guide plates 30 and 31 to the paper feeding section 1.
8 to the lower part of the photoconductor 8, the toner image on the photoconductor 8 is further transferred by the transfer section 11, fixed by the fixing roller 14, and further transferred to the discharge roller 15 and the presser roller 16.
It is discharged by
転写後、感光体８に残った静電潜像はランプ１２の光を
受けて消され、残存トナーはクリーニング部１３により
拭取られる。After the transfer, the electrostatic latent image remaining on the photoreceptor 8 is erased by the light of the lamp 12, and the remaining toner is wiped off by the cleaning section 13.
そして、クランプを操作すれば第２図に示すように支軸
４を中心としてメインカバー３を開放することができる
。支軸５を中心としてドラムフレーム７を時計方向に開
くこともできる。さらに。Then, by operating the clamp, the main cover 3 can be opened around the support shaft 4 as shown in FIG. The drum frame 7 can also be opened clockwise around the support shaft 5. moreover.
突片２３と係止孔２５との差込部分を支点としてサブカ
バー２４をメインカバー３から離れるように回動し、あ
るいは係止孔２５から突片２３を抜くことにより用紙ガ
イド２９を開放することができる。したがって、内部点
検及びジャム処理をきｌ わめて容易に行なう
ことができる。使用状態においても、給紙カセット２０
がメインカバー３の上面に保持されているので設置スペ
ースを大幅に縮小することができる。The paper guide 29 is opened by rotating the sub cover 24 away from the main cover 3 using the insertion portion between the protrusion 23 and the locking hole 25 as a fulcrum, or by removing the protrusion 23 from the locking hole 25. be able to. Therefore, internal inspection and jam removal can be carried out extremely easily. Even when in use, the paper cassette 20
is held on the upper surface of the main cover 3, so the installation space can be significantly reduced.
ついで、この発明の第二の実施例を第４図及び第５図に
基いて説明する。前記実施例と同一部分は同一符号を用
い説明も省■する。本実施例はサブカバー２４に上部開
口で用紙ガイド２９に連通する手差口３３を形成したも
のである。したかって、給紙カセット２０を用いずにこ
の手差口３３から用紙３２を一枚ずつ供給してプリント
する使い方をすることができる。Next, a second embodiment of the present invention will be explained based on FIGS. 4 and 5. The same parts as in the previous embodiment are given the same reference numerals, and the explanation thereof will be omitted. In this embodiment, a manual feed port 33 is formed in the sub-cover 24 through an upper opening that communicates with the paper guide 29. Therefore, the paper 32 can be fed one sheet at a time from this manual feed port 33 and printed without using the paper feed cassette 20.
また、第６図及び第７図に示すように、サブカバー２４
の側面に下方に向うにつれ内側に傾斜するガイド面３５
を形成し、このガイド面３５の下部に手差口３４を形成
すれば用紙３２の挿入を容易にすることができる。In addition, as shown in FIGS. 6 and 7, the sub cover 24
A guide surface 35 that slopes inward as it goes downward on the side surface of the
If a manual feed slot 34 is formed at the lower part of this guide surface 35, insertion of the paper 32 can be facilitated.
発明の効果
この発明は上述のように、メインカバーの上面に給紙カ
セットを設けたことにより、設置スペースを大幅に縮小
することができ、また、ベースに １対して
カバーを開放方向に回動するとともに、筐体に対してサ
ブカバーを退避させて用紙ガイドを解放することができ
、これにより、内部点検及びジャム処理をきわめて容易
に行なうことができる等の効果を有するものである。Effects of the Invention As described above, this invention provides a paper feed cassette on the top surface of the main cover, thereby significantly reducing the installation space. At the same time, the sub-cover can be retracted from the housing to release the paper guide, which has the advantage of making internal inspection and jam removal extremely easy.
第１図ないし第３図はこの発明の第一の実施例に係おる
もので、第１図はプリント状態を示す縦断側面図、第２
図はメインカバー及びサブカバーを開放した状態を示す
縦断側面図、第３図はサブカバーの斜視図、第４図及び
第５図はこの発明の第二の実施例に係わるもので、第４
図は一部の縦断側面図、第５図はサブカバーの斜視図、
第６図は手差口の形成手段の変形例を示す一部の縦断側
面図、第７図はそのサブカバーの斜視図である。
ｌ・・・Ｋｌ、２・・・ベース、３・・・メインカバー
、８・・・感光体、１０・・・トナー供給部、１１・・
・転写部。
１４・・・定着ローラ（定着部）、１８・・・紙送部、
２０・・・給紙カセット、２２・・・給紙ローラ、２４
・・・サブカバー、２９・・・用紙ガイド、３２・・・
用紙、３４゜３５・・・手差口
図面の浄゛ボ内容に変更なし）
」」 現
ム）
枢
手続補正帯（麓）
昭和６０年 ３月２８日
特許庁長官 志 賀 学 殿１、事件の表示
特願昭５９−２３０７７２号
２、発明の名称
静電写真プリンタの給紙装置
３、補正をする者
−事件との関係 特許出願人
４、代 理 人
〒１０７1 to 3 relate to a first embodiment of the present invention, in which FIG. 1 is a vertical cross-sectional side view showing the printed state, and FIG.
The figure is a longitudinal side view showing the main cover and the sub-cover in an open state, FIG. 3 is a perspective view of the sub-cover, and FIGS. 4 and 5 are related to the second embodiment of the present invention.
The figure is a partial vertical side view, Figure 5 is a perspective view of the sub-cover,
FIG. 6 is a partial longitudinal sectional side view showing a modification of the means for forming the manual feed port, and FIG. 7 is a perspective view of the sub-cover. l...Kl, 2...Base, 3...Main cover, 8...Photoconductor, 10...Toner supply section, 11...
- Transcription department. 14...Fixing roller (fixing section), 18...Paper feeding section,
20...Paper feed cassette, 22...Paper feed roller, 24
...Sub cover, 29...Paper guide, 32...
Paper, 34゜35... No changes to the contents of the manual feed drawing)'' (Currently) Cardinal procedure amendment band (foot) March 28, 1985 Manabu Shiga, Commissioner of the Patent Office 1, Case Indication of Japanese Patent Application No. 59-230772 No. 2, Name of the invention: Paper feeding device for electrostatic photographic printer 3, Person making the amendment - Relationship to the case Patent applicant 4, Agent Address: 107
Claims (1)
給部と転写部と定着部と前記感光体の下部近傍に位置す
る紙送部とを有する筺体を設け、この筐体を互いに垂直
面内で回動自在に連結されるベースとメインカバーとに
より形成し、前記メインカバーの上面に給紙カセットを
設けるとともにこの給紙カセット内に積層された用紙を
引出す給紙ローラを駆動部に連結して回転自在に設け、
前記筐体にその側面の外側の空間を開閉するサブカバー
を設け、前記筺体と前記サブカバーとの間に前記給紙ロ
ーラから前記紙送部に至る用紙ガイドを形成したことを
特徴とする静電写真プリンタの給紙装置。 ２、少なくとも静電潜像が形成される感光体とトナー供
給部と転写部と定着部と前記感光体の下部近傍に位置す
る紙送部とを有する筐体を設け、この筐体を互いに垂直
面内で回動自在に連結されるベースとメインカバーとに
より形成し、前記メインカバーの上面に給紙カセットを
設けるとともにこの給紙カセット内に積層された用紙を
引出す給紙ローラを駆動部に連結して回転自在に設け、
前記筺体にその側面の外側の空間を開閉するサブカバー
を設け、前記筐体と前記サブカバーとの間に前記給紙ロ
ーラから前記紙送部に至る用紙ガイドを形成し、前記用
紙ガイドに連通する横長の手差口を前記サブカバーに形
成したことを特徴とする静電写真プリンタの給紙装置。[Scope of Claims] 1. A housing including at least a photoconductor on which an electrostatic latent image is formed, a toner supply section, a transfer section, a fixing section, and a paper feeding section located near the bottom of the photoconductor; A casing is formed by a base and a main cover that are rotatably connected to each other in a vertical plane, and a paper feed cassette is provided on the upper surface of the main cover, and a paper feeder that pulls out sheets stacked in the paper feed cassette. The roller is connected to the drive unit and rotatably provided,
The stationary apparatus is characterized in that the casing is provided with a sub-cover that opens and closes a space outside the side surface of the casing, and a paper guide from the paper feed roller to the paper feeding section is formed between the casing and the sub-cover. Paper feeding device for electrophotographic printers. 2. A housing is provided that includes at least a photoconductor on which an electrostatic latent image is formed, a toner supply section, a transfer section, a fixing section, and a paper feeding section located near the bottom of the photoconductor, and the housings are arranged perpendicularly to each other. The main cover is formed by a base and a main cover that are rotatably connected in a plane, and a paper feed cassette is provided on the upper surface of the main cover, and a paper feed roller that pulls out the sheets stacked in the paper feed cassette is provided as a drive unit. Connected and rotatably provided,
A sub-cover that opens and closes a space outside the side surface of the housing is provided, and a paper guide from the paper feed roller to the paper feeding section is formed between the housing and the sub-cover, and communicates with the paper guide. 1. A paper feeding device for an electrostatic photographic printer, characterized in that a horizontally elongated manual feeding port is formed in the sub-cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59230772A JPS61111259A (en) | 1984-11-01 | 1984-11-01 | Paper feeding device for electrostatic photograph printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59230772A JPS61111259A (en) | 1984-11-01 | 1984-11-01 | Paper feeding device for electrostatic photograph printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61111259A true JPS61111259A (en) | 1986-05-29 |
| JPH0250021B2 JPH0250021B2 (en) | 1990-11-01 |
Family
ID=16913020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59230772A Granted JPS61111259A (en) | 1984-11-01 | 1984-11-01 | Paper feeding device for electrostatic photograph printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61111259A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150638A (en) * | 1987-12-08 | 1989-06-13 | Canon Inc | Image forming apparatus |
| JPH01163760A (en) * | 1987-12-21 | 1989-06-28 | Olympus Optical Co Ltd | Duplex image recorder |
| JPH0549742U (en) * | 1991-12-11 | 1993-06-29 | コニカ株式会社 | Automatic plate feeder |
| JPH0867355A (en) * | 1994-08-29 | 1996-03-12 | Nec Corp | Electrophotographic recorder |
-
1984
- 1984-11-01 JP JP59230772A patent/JPS61111259A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01150638A (en) * | 1987-12-08 | 1989-06-13 | Canon Inc | Image forming apparatus |
| JPH01163760A (en) * | 1987-12-21 | 1989-06-28 | Olympus Optical Co Ltd | Duplex image recorder |
| JPH0549742U (en) * | 1991-12-11 | 1993-06-29 | コニカ株式会社 | Automatic plate feeder |
| JPH0867355A (en) * | 1994-08-29 | 1996-03-12 | Nec Corp | Electrophotographic recorder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0250021B2 (en) | 1990-11-01 |
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