JPH0557588B2 - - Google Patents

Info

Publication number
JPH0557588B2
JPH0557588B2 JP58014546A JP1454683A JPH0557588B2 JP H0557588 B2 JPH0557588 B2 JP H0557588B2 JP 58014546 A JP58014546 A JP 58014546A JP 1454683 A JP1454683 A JP 1454683A JP H0557588 B2 JPH0557588 B2 JP H0557588B2
Authority
JP
Japan
Prior art keywords
light
original
photoreceptor
blank exposure
light shielding
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.)
Expired - Lifetime
Application number
JP58014546A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59142572A (ja
Inventor
Noryuki Ishihara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP1454683A priority Critical patent/JPS59142572A/ja
Publication of JPS59142572A publication Critical patent/JPS59142572A/ja
Publication of JPH0557588B2 publication Critical patent/JPH0557588B2/ja
Granted legal-status Critical Current

Links

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
    • G03G15/04—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
    • G03G15/045—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
    • G03G15/047—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 charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP1454683A 1983-02-02 1983-02-02 画像形成装置 Granted JPS59142572A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1454683A JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1454683A JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Publications (2)

Publication Number Publication Date
JPS59142572A JPS59142572A (ja) 1984-08-15
JPH0557588B2 true JPH0557588B2 (en]) 1993-08-24

Family

ID=11864148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1454683A Granted JPS59142572A (ja) 1983-02-02 1983-02-02 画像形成装置

Country Status (1)

Country Link
JP (1) JPS59142572A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61177475A (ja) * 1985-02-01 1986-08-09 Canon Inc 照明装置
JPH0668650B2 (ja) * 1985-02-14 1994-08-31 キヤノン株式会社 画像形成装置
JPS6289033A (ja) * 1985-10-15 1987-04-23 Fuji Photo Film Co Ltd 複写装置のトリミング機構
JP2676552B2 (ja) * 1989-06-30 1997-11-17 キヤノン株式会社 画像形成装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132358A (en) * 1980-03-19 1981-10-16 Canon Inc Copying apparatus
JPS56143467A (en) * 1980-04-10 1981-11-09 Canon Inc Copying apparatus

Also Published As

Publication number Publication date
JPS59142572A (ja) 1984-08-15

Similar Documents

Publication Publication Date Title
US4745438A (en) Automatic copier show-around erase system
JPH0557588B2 (en])
JPH04298767A (ja) 複写機
JPS59228680A (ja) 電子写真複写機
JPH03149589A (ja) 画像形成装置における静電荷除去装置
US4963931A (en) Regulating means for automatically adjusting a margining means in a copier to produce image-free image carrier zones in response to image positioning prior to image transfer
JPH0762782B2 (ja) 画像形成装置
US3994723A (en) Electrophotograhic process involving steps of subsequent discharge of areas receiving insufficient exposure
JPH0741008Y2 (ja) 変倍式複写機の感光体非画像部自動除電装置
JP3848413B2 (ja) 画像形成装置
JPH0423240Y2 (en])
JPH0339768A (ja) 静電複写装置
JPH0714991Y2 (ja) 電子写真複写機の先端余白露光装置
JPS60146260A (ja) 電子複写機の原稿カゲ除去装置
JPS58127954A (ja) 静電記録装置
JPS58158662A (ja) 電子写真複写機におけるベタ黒発生防止装置
JPS5855964A (ja) 像形成装置
JPS63267978A (ja) 画像形成装置
JPH0685099B2 (ja) 画像形成装置
JPS6070462A (ja) 画像形成装置における不要画像消去装置
JPS62288868A (ja) 画像形成装置の黒消し装置
JPS6138967A (ja) ブツク物原稿複写方法
JPH0659546A (ja) 複写機のブランクランプコントロール装置
JPS6248232B2 (en])
JPH0335252A (ja) 静電複写装置