JPH0473552U - - Google Patents

Info

Publication number
JPH0473552U
JPH0473552U JP11763190U JP11763190U JPH0473552U JP H0473552 U JPH0473552 U JP H0473552U JP 11763190 U JP11763190 U JP 11763190U JP 11763190 U JP11763190 U JP 11763190U JP H0473552 U JPH0473552 U JP H0473552U
Authority
JP
Japan
Prior art keywords
image
paper
forming apparatus
image frequency
detection means
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
JP11763190U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11763190U priority Critical patent/JPH0473552U/ja
Publication of JPH0473552U publication Critical patent/JPH0473552U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案による画像形成装置の制御系を
示すブロツク図、第２図は本考案を適用したレー
ザプリンタの概略構成を示す説明図、第３図は第
２図に示した光書込系の詳細を示す斜視図である
。 符号の説明、１０１……紙サイズ検出手段、１
０２……ＣＰＵ、１０３……デコーダ、１０４…
…タイマー、２０４……感光体、２０６……光書
込系、３０１……半導体レーザ、３０５……ポリ
ゴンミラー、３０６……ｆθレンズ、３０９……
同期検知フアイバー。 FIG. 1 is a block diagram showing the control system of an image forming apparatus according to the present invention, FIG. 2 is an explanatory diagram showing a schematic configuration of a laser printer to which the present invention is applied, and FIG. 3 is an optical writing system shown in FIG. 2. FIG. 3 is a perspective view showing details of the system. Explanation of symbols, 101...Paper size detection means, 1
02...CPU, 103...Decoder, 104...
...Timer, 204...Photoconductor, 206...Optical writing system, 301...Semiconductor laser, 305...Polygon mirror, 306...Fθ lens, 309...
Synchronous sensing fiber.

Claims (1)

【実用新案登録請求の範囲】 レーザビームをビデオ信号に応じてＯＮ／ＯＦ
Ｆ変調し、感光体に走査させて画像を形成する画
像形成装置において、 複数の画周波数を発生させる画周波数発生手段
と、 前記画像を記録する記録紙の主走査方向の紙幅
を検出する紙サイズ検出手段と、 前記紙サイズ検出手段により検出された紙幅に
対応する、前記画周波数発生手段からの画周波数
を選択する画周波選択手段とを具備したことを特
徴とする画像形成装置。[Scope of claim for utility model registration] Turns the laser beam on and off according to the video signal
An image forming apparatus that forms an image by F-modulating and scanning it on a photoreceptor includes an image frequency generating means that generates a plurality of image frequencies, and a paper size that detects the paper width in the main scanning direction of recording paper on which the image is recorded. An image forming apparatus comprising: a detection means; and an image frequency selection means for selecting an image frequency from the image frequency generation means corresponding to the paper width detected by the paper size detection means.
JP11763190U 1990-11-08 1990-11-08 Pending JPH0473552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11763190U JPH0473552U (en) 1990-11-08 1990-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11763190U JPH0473552U (en) 1990-11-08 1990-11-08

Publications (1)

Publication Number Publication Date
JPH0473552U true JPH0473552U (en) 1992-06-29

Family

ID=31865531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11763190U Pending JPH0473552U (en) 1990-11-08 1990-11-08

Country Status (1)

Country Link
JP (1) JPH0473552U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237762A (en) * 1984-05-10 1985-11-26 Toshiba Corp Recording device
JPS61106262A (en) * 1984-10-30 1986-05-24 Ricoh Co Ltd printer
JPS6339268A (en) * 1986-08-05 1988-02-19 Canon Inc Image forming device
JPH01218841A (en) * 1988-02-29 1989-09-01 Fujitsu Ltd Contraction printing control system of printer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60237762A (en) * 1984-05-10 1985-11-26 Toshiba Corp Recording device
JPS61106262A (en) * 1984-10-30 1986-05-24 Ricoh Co Ltd printer
JPS6339268A (en) * 1986-08-05 1988-02-19 Canon Inc Image forming device
JPH01218841A (en) * 1988-02-29 1989-09-01 Fujitsu Ltd Contraction printing control system of printer

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