JP2011123440A5 - - Google Patents

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Publication number
JP2011123440A5
JP2011123440A5 JP2009283460A JP2009283460A JP2011123440A5 JP 2011123440 A5 JP2011123440 A5 JP 2011123440A5 JP 2009283460 A JP2009283460 A JP 2009283460A JP 2009283460 A JP2009283460 A JP 2009283460A JP 2011123440 A5 JP2011123440 A5 JP 2011123440A5
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JP
Japan
Prior art keywords
image
carrier
exposure
forming apparatus
contact time
Prior art date
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Application number
JP2009283460A
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Japanese (ja)
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JP5436185B2 (en
JP2011123440A (en
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Priority to JP2009283460A priority Critical patent/JP5436185B2/en
Priority claimed from JP2009283460A external-priority patent/JP5436185B2/en
Publication of JP2011123440A publication Critical patent/JP2011123440A/en
Publication of JP2011123440A5 publication Critical patent/JP2011123440A5/ja
Application granted granted Critical
Publication of JP5436185B2 publication Critical patent/JP5436185B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (4)

潜像が形成される像担持体と、
前記像担持体に形成された前記潜像を現像する現像剤担持体と、
前記像担持体の電荷を除去する露光手段とを有し、
前記像担持体と前記現像剤担持体が離間した状態と、前記潜像を現像することが可能な前記像担持体と前記現像剤担持体が当接した状態とを切り替えることが可能な画像形成装置であって、
前記像担持体と前記現像剤担持体が当接している状態である当接時間を検知する検知手段と、
前記検知手段により検知された当接時間に応じて前記露光手段の露光量を制御する制御手段と、を備えることを特徴とする画像形成装置。 An image carrier on which a latent image is formed;
A developer carrier for developing the latent image formed on the image carrier;
Exposure means for removing the charge of the image carrier,
Image formation capable of switching between a state where the image carrier and the developer carrier are separated and a state where the image carrier and the developer carrier capable of developing the latent image are in contact with each other A device,
Detecting means for detecting a contact time in which the image carrier and the developer carrier are in contact with each other;
An image forming apparatus comprising: a control unit that controls an exposure amount of the exposure unit according to a contact time detected by the detection unit. 前記制御手段は、前記当接時間が閾値よりも短ければ、前記露光手段の露光量を増加させることを特徴とする請求項１に記載の画像形成装置。 The control means, wherein if the contact time is shorter than the threshold value, the image forming apparatus according to claim 1, characterized in that Ru increases the exposure amount of the exposure means. 前記制御手段は、前記当接時間が閾値よりも長ければ、前記露光手段の露光量を減少させることを特徴とする請求項１又は２に記載の画像形成装置。The image forming apparatus according to claim 1, wherein the control unit reduces the exposure amount of the exposure unit when the contact time is longer than a threshold value. 像担持体に形成された画像の濃度を検知する濃度検知手段を有し、
前記制御手段は、前記濃度検知手段により検知された画像の濃度変化が閾値を下回らないように、前記露光手段の露光量を制御する請求項１乃至３のいずれか１項に記載の画像形成装置。 Having density detecting means for detecting the density of the image formed on the image carrier,
Wherein, the concentration such that the concentration change of the detected image is not below the threshold by the detection means, the image forming apparatus according to any one of claims 1 to 3 to control the exposure amount of the exposure means .
JP2009283460A 2009-12-14 2009-12-14 Image forming apparatus Expired - Fee Related JP5436185B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009283460A JP5436185B2 (en) 2009-12-14 2009-12-14 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009283460A JP5436185B2 (en) 2009-12-14 2009-12-14 Image forming apparatus

Publications (3)

Publication Number Publication Date
JP2011123440A JP2011123440A (en) 2011-06-23
JP2011123440A5 true JP2011123440A5 (en) 2013-02-07
JP5436185B2 JP5436185B2 (en) 2014-03-05

Family

ID=44287345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009283460A Expired - Fee Related JP5436185B2 (en) 2009-12-14 2009-12-14 Image forming apparatus

Country Status (1)

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JP (1) JP5436185B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5595217B2 (en) * 2010-10-18 2014-09-24 キヤノン株式会社 Image forming apparatus
JP6171067B2 (en) * 2016-09-29 2017-07-26 株式会社沖データ Image forming apparatus
JP7069636B2 (en) * 2017-10-24 2022-05-18 コニカミノルタ株式会社 Image forming equipment and programs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186753A (en) * 1982-04-24 1983-10-31 Canon Inc Method and apparatus for electrophotography
JPH0580624A (en) * 1991-09-20 1993-04-02 Sharp Corp Method for stabilizing surface potential of electrophotographic photosensitive body
JPH08254930A (en) * 1995-03-16 1996-10-01 Canon Inc Image forming device
JP2003323090A (en) * 2002-02-28 2003-11-14 Canon Inc Image forming device, control method therefor, and cartridge
JP2005208223A (en) * 2004-01-21 2005-08-04 Oki Data Corp Electrophotographic device
JP2008304654A (en) * 2007-06-07 2008-12-18 Kyocera Mita Corp Image forming apparatus and image forming program
JP2009031488A (en) * 2007-07-26 2009-02-12 Ricoh Co Ltd Image forming apparatus

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