JPH05193767A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPH05193767A JPH05193767A JP4006981A JP698192A JPH05193767A JP H05193767 A JPH05193767 A JP H05193767A JP 4006981 A JP4006981 A JP 4006981A JP 698192 A JP698192 A JP 698192A JP H05193767 A JPH05193767 A JP H05193767A
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- recording paper
- paper sheet
- sheet feeding
- recording
- 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
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、複写機やプリンタ等
の画像形成装置におけるシート状記録紙の給紙装置に関
し、特にフロントローディング形式の給紙装置の複数の
給紙トレイの配置構成に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet recording sheet feeding device in an image forming apparatus such as a copying machine or a printer, and more particularly to an arrangement of a plurality of sheet feeding trays in a front loading type sheet feeding device. Is.
【0002】[0002]
【従来の技術】複写機やプリンタ等の画像形成装置にお
いては、従来から引き出し可能な給紙カセットや、給紙
台昇降手段を有する大容量記録紙給紙トレイなどに堆積
されたシート状記録紙(転写紙等)を、最上位または最
下位から順次1枚ずつ取り出し、画像記録部等に送る給
紙装置が設けてある。2. Description of the Related Art In an image forming apparatus such as a copying machine or a printer, sheet-like recording paper accumulated on a paper cassette that can be pulled out and a large-capacity recording paper feed tray having a paper feed table elevating means. There is provided a paper feeding device that sequentially takes out (transfer paper and the like) one by one from the top or the bottom and sends it to the image recording unit and the like.
【0003】例えば像形成体上に形成されたトナー像を
タイミングよく転写材上に転写するため、給紙カセット
からピックアップローラ、フィードローラを経て搬送さ
れた記録紙を予めレジストローラに突き当てて弛みを作
った状態で停止させておき、原稿情報を読み取る光学系
の走査開始動作と同期して前記レジストローラを駆動
し、記録紙を挟持して転写領域に搬送するようにしてい
る。For example, in order to transfer a toner image formed on an image forming body onto a transfer material in a timely manner, a recording paper conveyed from a paper feed cassette through a pickup roller and a feed roller is abutted against a registration roller in advance and loosened. Is stopped in the state where the sheet is formed, the registration roller is driven in synchronization with the scanning start operation of the optical system for reading the document information, and the recording sheet is nipped and conveyed to the transfer area.
【0004】記録紙の両面に画像記録を可能にする自動
両面記録機能(ADU)や、自動多重記録機能(RAD
U)を備えた画像形成装置においては、一般に画像形成
部の下方に片面記録済みの記録紙を一時収納する中間ス
タックトレイや記録紙再給紙装置が設けられ、上記給紙
装置と同様に、記録紙の送り出し、分離給紙、搬送が行
われる。前記給紙カセットや大容量記録紙給紙トレイ
は、従来複写機本体の側面に装着されて着脱または移動
可能になっている。このため複写機本体の側方に大きな
操作用空間を必要とするばかりでなく、操作性上からも
問題があった。An automatic double-sided recording function (ADU) capable of recording images on both sides of a recording paper and an automatic multiplex recording function (RAD)
In the image forming apparatus including U), generally, an intermediate stack tray for temporarily storing the recording paper on which one side has been recorded and a recording paper re-feeding device are provided below the image forming unit. The recording paper is sent out, separated and fed, and conveyed. The paper feed cassette and the large-capacity recording paper feed tray are conventionally mounted on the side surface of the main body of the copying machine and can be detached or moved. Therefore, not only a large operation space is required on the side of the main body of the copying machine, but there is a problem in terms of operability.
【0005】近年、給紙カセット等を操作者手前側から
引き出し可能にしたフロントローディング形式の給紙装
置が多く実用化されてきた。この形式の給紙装置では、
複数の給紙カセットを複写機本体の下方に縦列配置した
ものであるが、複写機の操作性上、高さに制限が生じ、
給紙カセットは3ないし4段が一般的である。In recent years, many front loading type sheet feeding devices have been put into practical use in which a sheet feeding cassette or the like can be pulled out from the operator's front side. With this type of paper feeder,
Although a plurality of paper feed cassettes are arranged in a row below the main body of the copying machine, the height of the copying machine is restricted due to the operability of the copying machine.
The paper feed cassette generally has three to four stages.
【0006】一方、ユーザーニーズにより、多種類のサ
イズの記録紙を使用するため複数種類の給紙カセット
や、大容量記録紙給紙トレイ(LCT)や、自動両面記
録機能(ADU)等を備えた多機能複写機が求められて
いる。On the other hand, according to the user's needs, a plurality of types of paper feed cassettes, a large capacity recording paper feed tray (LCT), an automatic double-sided recording function (ADU), etc. are provided in order to use recording papers of various sizes. There is a demand for a multifunctional copying machine.
【0007】[0007]
【発明が解決しようとする課題】上述の給紙トレイの大
容量化、給紙カセットの多数化の市場要求仕様に対応す
るためには、給紙カセットの交換頻度が増加して操作性
上に問題を生じたり、複写機本体が大型化する等の問題
がある。SUMMARY OF THE INVENTION In order to meet the above-mentioned market requirement specifications of large-capacity paper feed trays and a large number of paper feed cassettes, the frequency of replacement of paper feed cassettes increases and operability increases. There are problems such as problems and enlargement of the copying machine body.
【0008】また、複数の給紙トレイを左右に縦列配置
しようとすれば、各給紙トレイに必要なジャム紙処理用
スペースや垂直搬送部スペースが必要となり、複写機本
体が大型化する。Further, if a plurality of paper feed trays are arranged in left and right columns, a jam paper processing space and a vertical conveyance unit space required for each paper feed tray are required, which increases the size of the copying machine main body.
【0009】[0009]
【課題を解決するための手段】この発明は、画像形成装
置本体下部に、フロントローディング形式の複数の給紙
カセットと、同形式の大容量記録紙給紙トレイとを二列
縦列配置することにより、記録紙補給の操作性の向上
と、多種給紙トレイの一体化構成と、画像形成装置の給
紙部本体のコンパクト化と、ジャム処理の容易化等を計
ることを目的とするものである。SUMMARY OF THE INVENTION According to the present invention, a plurality of paper feeding cassettes of the front loading type and a large capacity recording paper feeding tray of the same type are arranged in two columns in the lower part of the main body of the image forming apparatus. The purpose of the present invention is to improve the operability of recording paper replenishment, integrate a multi-purpose paper feed tray, downsize a paper feed unit main body of an image forming apparatus, and facilitate jam processing. ..
【0010】上記目的を達成するこの発明の画像形成装
置は、画像形成手段によって像担持体上に形成されたト
ナー画像を、給紙手段の給紙トレイから給送された記録
紙上に転写して機外に排出する画像形成装置において、
前記画像形成手段の下方に、複数の記録紙給紙手段を左
右二列配置するとともに、前記各給紙トレイを操作者側
に引き出し可能にしたフロントローディング形式とな
し、かつ前記二列配置された左右各列の複数の給紙手段
による各給紙送り出し方向を、画像形成装置本体中央に
向き合う対向型に構成したことを特徴とする。In the image forming apparatus of the present invention which achieves the above object, the toner image formed on the image carrier by the image forming means is transferred onto the recording paper fed from the paper feeding tray of the paper feeding means. In the image forming device that is discharged outside the machine,
Below the image forming means, a plurality of recording paper feeding means are arranged in two rows on the left and right sides, and each of the paper feeding trays is of a front loading type which can be drawn out to the operator side, and is arranged in the two rows. The present invention is characterized in that each of the plurality of paper feeding means in each of the left and right rows is configured to face each other in a paper feeding / discharging direction so as to face the center of the image forming apparatus main body.
【0011】また、前記左右二列配置の給紙トレイを、
一方を大サイズ、他方を小サイズとすることを特徴とす
る。The left and right paper feed trays arranged in two rows are
One of them is a large size and the other is a small size.
【0012】さらに、この発明の画像形成装置は、前記
左右二列配置され前記装置本体中央に向って記録紙を送
り出す複数の給紙手段のうち、少なくとも一方の列の給
紙トレイを、大容量記録紙給紙トレイとしたことを特徴
とするものである。Further, in the image forming apparatus of the present invention, at least one of the plurality of paper feeding means arranged in the left and right rows and feeding the recording paper toward the center of the apparatus main body has a large capacity. It is characterized in that it is a recording paper feed tray.
【0013】[0013]
【実施例】以下、この発明を添付図面に示す実施例に基
づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on the embodiments shown in the accompanying drawings.
【0014】図1は、この発明の給紙装置を適用した画
像形成装置(複写機)のオプション装置を含めた全体構
成図である。図において、1は自動原稿搬送装置(AD
F)、2は走査露光光学系、3は画像形成手段、4は記
録紙供給手段(給紙手段)、5は記録紙搬送手段、6は
定着器、7は排紙反転切替搬送手段、8は両面記録用記
録紙搬送手段(ADU)、9は第2の記録紙供給手段、
10は複写機本体から排出された記録紙を分類整理するソ
ータである。また、図中の一点鎖線は記録紙(転写紙)
Sの搬送径路を示す。図2は前記複写機の記録紙搬送手
段の要部拡大断面図を示す。複写機の上部本体は、プラ
テンガラス21の下方に配設された走査露光光学系2と、
感光体ドラム(像担持体)31廻りの帯電器32,現像器3
3,転写器34,分類器35,クリーニング装置36から成る
画像形成手段3と、画像形成済みの記録紙をベルト搬送
する記録紙搬送手段5と、定着器6と、排紙反転切替搬
送手段7と、両面記録用記録紙搬送手段(ADU)とか
ら構成されている。複写機の下部本体は、複数の記録紙
供給手段(給紙装置)4A,4B,4C,4Dが配置さ
れた給紙部である。なお、前記給紙装置4A,4B,4
C,4Dにより給送される記録紙S1,S2は、図3の
平面図に示すように、すべて矢示給紙方向に対して記録
紙周辺が直交するように配置され、かつ各給紙カセット
4A1(4B1,4C1)および給紙トレイ4D1内に
片側基準(BL)で位置決め収容されている。FIG. 1 is an overall configuration diagram including an optional device of an image forming apparatus (copier) to which the paper feeding device of the present invention is applied. In the figure, 1 is an automatic document feeder (AD
F), 2 is a scanning exposure optical system, 3 is an image forming unit, 4 is a recording sheet feeding unit (paper feeding unit), 5 is a recording sheet conveying unit, 6 is a fixing device, 7 is a sheet discharge reversal switching conveying unit, 8 Is a recording paper feeding unit (ADU) for double-sided recording, 9 is a second recording paper feeding unit,
10 is a sorter for sorting and organizing the recording paper discharged from the main body of the copying machine. The dashed line in the figure is the recording paper (transfer paper).
The transport path of S is shown. FIG. 2 is an enlarged cross-sectional view of the main part of the recording paper conveying means of the copying machine. The upper body of the copying machine includes a scanning exposure optical system 2 disposed below the platen glass 21,
Charger 32 around photoconductor drum (image carrier) 31 and developer 3
3, an image forming unit 3 including a transfer unit 34, a classifier 35, and a cleaning unit 36, a recording sheet conveying unit 5 that conveys a recording sheet on which an image has been formed by a belt, a fixing unit 6, and a discharge reversal switching conveying unit 7 And a recording paper conveying unit (ADU) for double-sided recording. The lower main body of the copying machine is a paper feeding unit in which a plurality of recording paper feeding means (paper feeding devices) 4A, 4B, 4C and 4D are arranged. The sheet feeding devices 4A, 4B, 4
As shown in the plan view of FIG. 3, the recording sheets S1 and S2 fed by C and 4D are all arranged so that the periphery of the recording sheet is orthogonal to the arrowed sheet feeding direction, and each sheet feeding cassette. 4A1 (4B1, 4C1) and the paper feed tray 4D1 are positioned and stored on the basis of one side reference (BL).
【0015】複写機本体下部の図示右側には、3段の給
紙装置4A,4B,4Cが装備されている。上段の給紙
装置4Aには給紙カセット4A1が記録紙補充時に操作
者手前側に引き出し可能になっている。同様にして、中
段の給紙装置4Bには給紙カセット4B1が、下段の給
紙装置4Cには給紙カセット4C1が、それぞれ引き出
し可能に装着される。これら給紙カセット4A1,4B
1,4C1には、それぞれ収納する記録紙S1のサイズ
の用紙収容枚数に応じて互いに高さや仕切り板等が異な
るだけで構造は殆んど同じであるから、主として上段の
給紙カセット4A1および給紙手段について述べる。Three stages of sheet feeding devices 4A, 4B and 4C are provided on the lower right side of the copying machine main body in the figure. A paper feed cassette 4A1 can be pulled out to the operator's front side when replenishing the recording paper in the upper paper feed device 4A. Similarly, the sheet feeding cassette 4B1 is attached to the sheet feeding device 4B in the middle stage, and the sheet feeding cassette 4C1 is attached to the sheet feeding device 4C in the lower stage so as to be drawn out. These paper feed cassettes 4A1 and 4B
1 and 4C1 have almost the same structure except that the heights and partition plates differ from each other according to the number of sheets of the recording paper S1 to be stored, and therefore, the upper sheet feeding cassette 4A1 and the sheet feeding cassette 4A1 are mainly used. Paper means will be described.
【0016】上段の給紙装置4Aは、前記給紙カセット
4A1を所定位置に収納して定置させる給紙台4A2、
給紙カセット4A1の筐体内の可動底板4A3とから成
るカセット部と、該可動底板4A3を振動可能に押し上
げる押上げレバー4A4、該押上げレバー4A4を振動
駆動する振動軸4A5および図示しない駆動手段から成
る記録紙押上機構と、ピックアップローラ4A6、フィ
ードローラ4A7、リバースローラ4A8、搬送ローラ
4A9等から成る給紙機構部とから構成されている。中
段の給紙装置4B,下段の給紙装置4Cも上記上段の給
紙装置と同様の構成であり、これら給紙装置は公知の給
紙機構であるから、詳細な説明は省略でする。なお、こ
れら給紙装置4A,4B,4Cには、最大サイズA3判
(または11″×17″)の大サイズ記録紙が収納される。The upper sheet feeding device 4A includes a sheet feeding table 4A2 for accommodating the sheet feeding cassette 4A1 at a predetermined position and fixing it.
From a cassette unit composed of a movable bottom plate 4A3 in the housing of the sheet feeding cassette 4A1, a push-up lever 4A4 that pushes up the movable bottom plate 4A3 in a vibrating manner, a vibration shaft 4A5 that vibrates and drives the push-up lever 4A4, and a driving unit (not shown). It is composed of a recording paper pushing-up mechanism and a paper feed mechanism portion including a pickup roller 4A6, a feed roller 4A7, a reverse roller 4A8, and a conveying roller 4A9. The middle sheet feeding device 4B and the lower sheet feeding device 4C have the same configuration as the upper sheet feeding device. Since these sheet feeding devices are known sheet feeding mechanisms, detailed description thereof will be omitted. The sheet feeding devices 4A, 4B, and 4C accommodate large-sized recording sheets of maximum size A3 (or 11 ″ × 17 ″).
【0017】上記各給紙装置4A,4B,4Cによる記
録紙S1の給紙方向は、すべて図示左側の複写機本体の
中央部に向いていて、各給紙装置から搬送された記録紙
S1は、ガイド板41および複写機本体の中間搬送ローラ
R4,R3よってほぼ垂直上昇搬送され、さらに複写機
の上部本体内に設けられた両面記録用記録紙搬送手段
(ADU)8内の中間スタックトレイの下方に設けた搬
送ローラR81,R82,R83によって水平方向図示右方へ
搬送され、更に再び上昇して前記中間搬送ローラR2を
経てレジストローラR1に至る搬送径路を辿る。The sheet feeding direction of the recording sheet S1 by each of the sheet feeding devices 4A, 4B and 4C is toward the central portion of the copying machine main body on the left side in the drawing, and the recording sheet S1 conveyed from each sheet feeding device is , The guide plate 41 and the intermediate transfer rollers R4 and R3 of the main body of the copying machine raise the paper substantially vertically, and further, the intermediate stack tray in the double-sided recording paper conveying means (ADU) 8 provided in the upper main body of the copying machine. The conveying rollers R81, R82, and R83 provided below convey the conveying path to the right in the horizontal direction in the figure, and further ascend to follow the conveying path from the intermediate conveying roller R2 to the registration roller R1.
【0018】上記3段の給紙装置4A,4B,4Cによ
る上記給紙方向の下流側でさらに図示左方には、1000〜
3000枚の記録紙S2を収容可能な大容量記録紙給紙トレ
イ(LCT)4D1が昇降給紙台上に位置決め配置され
るとともに、記録紙補給時に操作者手前側に引き出し可
能になっている。なお、上記LCTには、最大サイズA
4判(または8.5″×11″)の小サイズ記録紙が収納さ
れる。From the three stages of the sheet feeding devices 4A, 4B, and 4C on the downstream side in the sheet feeding direction and further to the left in the drawing, 1000 to 1000
A large-capacity recording paper feed tray (LCT) 4D1 capable of accommodating 3000 sheets of recording paper S2 is positioned and arranged on the elevating paper feed table, and can be pulled out to the front side of the operator when the recording paper is replenished. In addition, the maximum size A is included in the LCT.
4 size (or 8.5 ″ × 11 ″) small size recording paper is stored.
【0019】上記大容量記録紙給紙トレイ4D1の上方
には、前記給紙機構部(4A6〜4A9)と同様な給紙
機構部が備えられていて、給紙トレイ4D1内に収納さ
れた記録紙S2を上層から、図示右側へ給送する。この
給送された記録紙S2は、垂直上昇されて、前記3段の
給紙装置4A,4B,4Cの記録紙搬送路に合流し、そ
の後、前述の両面記録用記録紙搬送手段(ADU)8内
の搬送ローラR81,R82,R83による水平搬送路から中
間搬送ローラR2を経て、レジストローラR1に至る共
通の搬送路を辿る。Above the large-capacity recording paper feed tray 4D1, there is provided a paper feed mechanism section similar to the above-mentioned paper feed mechanism section (4A6 to 4A9), and the recording stored in the paper feed tray 4D1. The paper S2 is fed from the upper layer to the right side in the drawing. The fed recording sheet S2 is vertically lifted and merges with the recording sheet conveying path of the three-stage sheet feeding devices 4A, 4B, 4C, and thereafter, the above-mentioned double-sided recording sheet conveying unit (ADU). A common conveyance path from the horizontal conveyance path by the conveyance rollers R81, R82, R83 in 8 to the registration roller R1 via the intermediate conveyance roller R2 is followed.
【0020】なお、複写機本体の右側方には、第2の記
録紙供給手段9が接続可能であって、3段の給紙装置9
A,9B,9Cによって約4500枚の大量給紙を可能にす
る。これら給紙装置の3つの給紙トレイも記録紙補給時
に操作者手前側に引き出し可能である。これら給紙トレ
イから給紙手段によって送り出された記録紙S3は、中
間搬送ローラR9を経て複写機の上部本体へ搬送され、
前記中間搬送ローラR2を経てレジストローラR1に至
る。A second recording paper feeding means 9 can be connected to the right side of the main body of the copying machine, and the paper feeding device 9 of three stages is connected.
A, 9B, 9C enables large-scale paper feeding of about 4,500 sheets. The three paper feed trays of these paper feed devices can also be pulled out to the front side of the operator when recording paper is replenished. The recording sheet S3 sent out from these sheet feeding trays by the sheet feeding means is conveyed to the upper main body of the copying machine via the intermediate conveying roller R9,
The intermediate transfer roller R2 reaches the registration roller R1.
【0021】前記3段の給紙装置4A,4B,4Cの図
示左方に設けられた固定・可動の一対のガイド板41およ
び二対の中間搬送ローラR3,R4で形成された給紙通
路内で記録紙S1の紙詰り(ジャム)を発生したときに
は、可動のガイド板41およびこれに支持された従動のロ
ーラR3,R4を左方に開いて給紙通路を開放状態にし
て、ジャム紙を取り除く。この可動のガイド板の開扉時
には、複写機の下部本体の図示左方、すなわち前記大容
量記録紙給紙トレイ(LCT)4D1の図示右方は障害
のない空間が形成されているから、ガイド板41を充分開
いて給紙通路の点検とジャム処理を容易に行うことがで
きる。Inside the paper feed passage formed by a pair of fixed / movable guide plates 41 and two pairs of intermediate conveying rollers R3, R4 provided on the left side of the three-stage paper feeding devices 4A, 4B, 4C. When a paper jam (jam) of the recording paper S1 occurs at, the movable guide plate 41 and the driven rollers R3 and R4 supported by the movable guide plate 41 are opened to the left to open the paper feed path to remove the jammed paper. remove. When the movable guide plate is opened, a space without any obstacle is formed on the left side of the lower main body of the copying machine, that is, on the right side of the large-capacity recording paper feed tray (LCT) 4D1. The plate 41 can be sufficiently opened to easily inspect the paper feed path and remove jams.
【0022】また、前記大容量記録紙給紙トレイ(LC
T)4D1を図示右側は、該LCT用の中間搬送ローラ
やガイド板等を設ける必要がないから、該給紙トレイ4
D1と、前記3段の給紙カセット4A1,4B1,4C
1との間隙は、共通の給紙スペース以外は近接可能であ
るから、複写機本体をコンパクトにすることができる。Further, the large capacity recording paper feed tray (LC
T) 4D1 on the right side in the figure does not need to be provided with an intermediate conveyance roller for LCT, a guide plate, etc.
D1 and the three-stage paper feed cassettes 4A1, 4B1, 4C
Since the gap with 1 is close to other than the common paper feeding space, the main body of the copying machine can be made compact.
【0023】[0023]
【発明の効果】以上説明したように、この発明は、画像
形成装置本体下部にフロントローディング形式の複数の
給紙カセットと、大容量記録紙給紙トレイとを二列縦列
配置、対向型構成にすることによって、多種給紙トレイ
の装置本体一体化構成と、記録紙補給の操作性向上と、
ジャム処理の容易化と、画像形成装置本体のコンパクト
化が達成される。As described above, according to the present invention, a plurality of front-loading paper feed cassettes and a large-capacity recording paper feed tray are arranged in two rows in a vertical arrangement in the lower portion of the main body of the image forming apparatus. By doing so, an integrated structure of the apparatus main body of the multi-type paper feed tray and improvement of operability of recording paper replenishment,
Ease of jam processing and downsizing of the image forming apparatus body are achieved.
【図1】この発明の多数給紙装置を適用した画像形成装
置の全体構成図。FIG. 1 is an overall configuration diagram of an image forming apparatus to which a multiple sheet feeding device of the present invention is applied.
【図2】上記画像形成装置の記録紙搬送手段の要部拡大
断面図。FIG. 2 is an enlarged cross-sectional view of a main part of a recording paper conveyance unit of the image forming apparatus.
【図3】記録紙のサイズの位置決めと搬送方向を示す平
面図。FIG. 3 is a plan view showing the positioning of the recording paper size and the transport direction.
3 画像形成手段 31 感光体ドラム 4A,4B,4C,4D 記録紙供給手段(給紙装置) 4A1,4B1,4C1 給紙カセット 41 ガイド板 4D1 大容量記録紙給紙トレイ(LCT) 8 両面記録用記録紙搬送手段(ADU) 81 中間スタックトレイ 9 第2の記録紙供給手段 9A,9B,9C 給紙装置 R1 レジストローラ R2,R3,R4,R81,R82,R83,R9 中間搬送
ローラ S,S1,S2,S3 記録紙3 Image Forming Means 31 Photosensitive Drums 4A, 4B, 4C, 4D Recording Paper Feeding Means (Paper Feeders) 4A1, 4B1, 4C1 Paper Feed Cassette 41 Guide Plate 4D1 Large Capacity Recording Paper Feed Tray (LCT) 8 Double Sided Recording Recording paper conveying means (ADU) 81 Intermediate stack tray 9 Second recording paper supplying means 9A, 9B, 9C Paper feeding device R1 Registration rollers R2, R3, R4, R81, R82, R83, R9 Intermediate conveying rollers S, S1, S2, S3 recording paper
Claims (4)
されたトナー画像を、給紙手段の給紙トレイから給送さ
れた記録紙上に転写して機外に排出する画像形成装置に
おいて、 前記画像形成手段の下方に、複数の記録紙給紙手段を左
右二列配置するとともに、前記各給紙トレイを操作者側
に引き出し可能にしたフロントローディング形式とな
し、かつ前記二列配置された左右各列の複数の給紙手段
による各給紙送り出し方向を、画像形成装置本体中央に
向き合う対向型構成にしたことを特徴とする画像形成装
置。1. An image forming apparatus for transferring a toner image formed on an image bearing member by an image forming unit onto a recording sheet fed from a sheet feeding tray of a sheet feeding unit and discharging the image outside the apparatus. Below the image forming means, a plurality of recording paper feeding means are arranged in two rows on the left and right sides, and each of the paper feeding trays is of a front loading type that can be drawn out to the operator side, and the left and right rows are arranged on the two rows. An image forming apparatus, characterized in that each of a plurality of sheet feeding means in each row feeds and feeds each sheet in a facing manner so as to face the center of the main body of the image forming apparatus.
サイズ長辺送りとすることを特徴とする請求項1に記載
の画像形成装置。2. The paper feed direction from the paper feed tray is A3.
The image forming apparatus according to claim 1, wherein the long-edge feed is performed.
を大サイズ、他方を小サイズとすることを特徴とする請
求項1または2に記載の画像形成装置。3. The image forming apparatus according to claim 1, wherein one of the left and right two-row paper feed trays has a large size and the other has a small size.
に向って記録紙を送り出す複数の給紙手段のうち、少な
くとも一方の列の給紙トレイを、大容量記録紙給紙トレ
イとしたことを特徴とする請求項1ないし3の何れか1
項に記載の画像形成装置。4. A large-capacity recording paper feed tray is provided in at least one of the plurality of paper feed units that are arranged in the left and right rows and feeds the recording paper toward the center of the apparatus main body. 4. The method according to claim 1, wherein
The image forming apparatus according to item.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04006981A JP3094250B2 (en) | 1992-01-18 | 1992-01-18 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04006981A JP3094250B2 (en) | 1992-01-18 | 1992-01-18 | Image forming device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05193767A true JPH05193767A (en) | 1993-08-03 |
JP3094250B2 JP3094250B2 (en) | 2000-10-03 |
Family
ID=11653362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04006981A Expired - Fee Related JP3094250B2 (en) | 1992-01-18 | 1992-01-18 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3094250B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002046876A (en) * | 2000-05-22 | 2002-02-12 | Canon Inc | Picture image formation device and its control method |
JP2008214061A (en) * | 2007-03-06 | 2008-09-18 | Sharp Corp | Paper feeder and image forming device |
US10712705B2 (en) | 2018-05-28 | 2020-07-14 | Ricoh Company, Ltd. | Wheel chair accessible image forming apparatus |
-
1992
- 1992-01-18 JP JP04006981A patent/JP3094250B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002046876A (en) * | 2000-05-22 | 2002-02-12 | Canon Inc | Picture image formation device and its control method |
JP2008214061A (en) * | 2007-03-06 | 2008-09-18 | Sharp Corp | Paper feeder and image forming device |
US10712705B2 (en) | 2018-05-28 | 2020-07-14 | Ricoh Company, Ltd. | Wheel chair accessible image forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP3094250B2 (en) | 2000-10-03 |
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