JPS574064A - Electrophotographing method - Google Patents

Electrophotographing method

Info

Publication number
JPS574064A
JPS574064A JP7805180A JP7805180A JPS574064A JP S574064 A JPS574064 A JP S574064A JP 7805180 A JP7805180 A JP 7805180A JP 7805180 A JP7805180 A JP 7805180A JP S574064 A JPS574064 A JP S574064A
Authority
JP
Japan
Prior art keywords
preexposure
lamp
image
light
photoreceptor
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
JP7805180A
Other languages
Japanese (ja)
Inventor
Kenzo Takayama
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 JP7805180A priority Critical patent/JPS574064A/en
Publication of JPS574064A publication Critical patent/JPS574064A/en
Pending 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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge

Abstract

PURPOSE:To obtain a copied image having always uniform image density, by automatically adjusting light intensity of preexposure in accordance with change of humidity near a photoreceptor in repetitively forming latent images in succession on the photoreceptor. CONSTITUTION:A rotating photosensitive drum 1 is uniformly subjected to light emitted from a lamp 4 after undergoing preexposure and discharge from corona dischargers 2, 3 to form an electrostatic latent image, this image is developed with a developing device 5, and transferred to a transfer paper 7 with a transfer discharger 6. The drum 1 is cleared of remaining toner with a cleaning means 8, and after that, undergoes actions of the preexposure means and a discharger 9 for destaticization to erase the light and charging hysteresis and also to control the difference in density among images copied. In this case, output of a humidity detector 12 is converted into a control signal with a signal converter 14 in a power supply controller 13 of a lamp 10, and further it is produced as a given voltage with a light source stabilizer 15 to change light intensity of the preexposure lamp 10.
JP7805180A 1980-06-09 1980-06-09 Electrophotographing method Pending JPS574064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7805180A JPS574064A (en) 1980-06-09 1980-06-09 Electrophotographing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7805180A JPS574064A (en) 1980-06-09 1980-06-09 Electrophotographing method

Publications (1)

Publication Number Publication Date
JPS574064A true JPS574064A (en) 1982-01-09

Family

ID=13651043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7805180A Pending JPS574064A (en) 1980-06-09 1980-06-09 Electrophotographing method

Country Status (1)

Country Link
JP (1) JPS574064A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070032A (en) * 1998-06-02 2000-05-30 Hitachi Koki Co., Ltd. Electrostatic printing apparatus having an erase lamp
US6821678B2 (en) 2000-02-25 2004-11-23 Mitsui Mining & Smelting Company, Ltd. Process of producing manganese dioxide for a lithium primary battery
US7588860B2 (en) 2004-09-03 2009-09-15 Panasonic Corporation Lithium primary battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070032A (en) * 1998-06-02 2000-05-30 Hitachi Koki Co., Ltd. Electrostatic printing apparatus having an erase lamp
US6821678B2 (en) 2000-02-25 2004-11-23 Mitsui Mining & Smelting Company, Ltd. Process of producing manganese dioxide for a lithium primary battery
US7588860B2 (en) 2004-09-03 2009-09-15 Panasonic Corporation Lithium primary battery

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