JP2007121741A5 - - Google Patents

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JP2007121741A5
JP2007121741A5 JP2005314705A JP2005314705A JP2007121741A5 JP 2007121741 A5 JP2007121741 A5 JP 2007121741A5 JP 2005314705 A JP2005314705 A JP 2005314705A JP 2005314705 A JP2005314705 A JP 2005314705A JP 2007121741 A5 JP2007121741 A5 JP 2007121741A5
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speed
image
image carriers
phase
adjusting
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JP2005314705A
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JP2007121741A (en
JP4955981B2 (en
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Claims (9)

複数の像担持体と、前記複数の像担持体上に形成された画像を転写材に転写するための転写搬送手段と、を有する画像形成装置であって、
前記複数の像担持体の回転位相を調整する位相調整手段と、
前記位相調整手段によって、前記複数の像担持体の回転位相を調整する前に、前記転写搬送手段を前記複数の像担持体の回転速度とは異なる速度に変更し、前記複数の像担持体の回転位相を調整中に、前記転写搬送手段を変更した前記速度で回転駆動するように制御する速度制御手段と
を有することを特徴とする画像形成装置。 An image forming apparatus comprising: a plurality of image carriers; and transfer conveying means for transferring an image formed on the plurality of image carriers to a transfer material,
Phase adjusting means for adjusting the rotational phase of the plurality of image carriers;
Before adjusting the rotational phase of the plurality of image carriers by the phase adjusting unit, the transfer conveying unit is changed to a speed different from the rotation speed of the plurality of image carriers, An image forming apparatus comprising: a speed control unit configured to control the transfer conveyance unit to rotate at the changed speed while adjusting the rotation phase. 複数の像担持体と、前記複数の像担持体上に形成された画像を担持するための中間転写手段と、を有する画像形成装置であって、
前記複数の像担持体の回転位相を調整する位相調整手段と、
前記位相調整手段によって、前記複数の像担持体の回転位相を調整する前に、前記中間転写手段を前記複数の像担持体の回転速度とは異なる速度に変更し、前記複数の像担持体の回転位相を調整中に、前記中間転写手段を変更した前記速度で回転駆動するように制御する速度制御手段と、
を有することを特徴とする画像形成装置。 An image forming apparatus comprising: a plurality of image carriers; and an intermediate transfer unit for supporting images formed on the plurality of image carriers.
Phase adjusting means for adjusting the rotational phase of the plurality of image carriers;
Before adjusting the rotational phase of the plurality of image carriers by the phase adjusting unit, the intermediate transfer unit is changed to a speed different from the rotational speed of the plurality of image carriers, Speed control means for controlling to rotate the intermediate transfer means at the changed speed while adjusting the rotational phase;
An image forming apparatus comprising: 前記位相調整中の前記複数の像担持体の中で最も速い前記像担持体の回転速度よりも、前記転写搬送手段又は前記中間転写手段の回転速度が速い速度であ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。   The rotation speed of the transfer conveying means or the intermediate transfer means is faster than the fastest rotation speed of the image carrier among the plurality of image carriers during the phase adjustment. The image forming apparatus according to 1 or 2. 前記位相調整中の前記複数の像担持体の中で最も遅い前記像担持体の回転速度よりも、前記転写搬送手段又は前記中間転写手段の回転速度が遅い速度であ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。   The rotation speed of the transfer conveying unit or the intermediate transfer unit is slower than the slowest rotation speed of the image carrier among the plurality of image carriers during the phase adjustment. The image forming apparatus according to 1 or 2. 前記速度制御手段は、前記位相調整中の前記複数の像担持体の中で最も速い像担持体の回転速度よりも前記転写搬送手段又は前記中間転写手段の回転速度が速い速度であり、前記像担持体の速度変化に追従するように速度制御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。   The speed control means is such that the rotational speed of the transfer conveying means or the intermediate transfer means is faster than the fastest rotational speed of the image carrier among the plurality of image carriers during the phase adjustment, and the image The image forming apparatus according to claim 1, wherein the speed is controlled so as to follow a speed change of the carrier. 前記速度制御手段は、前記位相調整中の前記複数の像担持体の中で最も遅い像担持体の回転速度よりも前記転写搬送手段又は前記中間転写手段の回転速度が遅い速度であり、前記像担持体の速度に追従するように速度制御することを特徴とする請求項１または２記載の画像形成装置。   The speed control means is a speed at which the transfer conveyance means or the intermediate transfer means is slower than the rotation speed of the slowest image carrier among the plurality of image carriers during the phase adjustment, and the image 3. The image forming apparatus according to claim 1, wherein the speed is controlled so as to follow the speed of the carrier. 前記転写搬送手段は、前記転写材を担持搬送する転写材担持体であることを特徴とする請求項１乃至６のいずれかの項に記載の画像形成装置。   The image forming apparatus according to claim 1, wherein the transfer conveyance unit is a transfer material carrier that carries and conveys the transfer material. 複数の像担持体と、前記複数の像担持体上に形成された画像を転写材に転写するための転写搬送手段と、を有する画像形成装置の制御方法であって、
前記複数の像担持体の回転位相を調整するステップと、
前記複数の像担持体の回転位相の調整前に、前記転写搬送手段を前記複数の像担持体の回転速度とは異なる速度に変更するステップと、
前記複数の像担持体の回転位相の調整中に、変更した前記速度で前記転写搬送手段を回転駆動するよう制御するステップと
を有することを特徴とする画像形成装置の制御方法。 A control method for an image forming apparatus, comprising: a plurality of image carriers; and transfer conveying means for transferring an image formed on the plurality of image carriers to a transfer material,
Adjusting the rotational phase of the plurality of image carriers;
Changing the transfer conveying means to a speed different from the rotational speed of the plurality of image carriers before adjusting the rotational phase of the plurality of image carriers;
And a step of controlling the transfer conveying means to rotate at the changed speed during the adjustment of the rotational phase of the plurality of image carriers. 複数の像担持体と、前記複数の像担持体上に形成された画像を担持するための中間転写手段と、を有する画像形成装置の制御方法であって、
前記複数の像担持体の回転位相を調整するステップと、
前記複数の像担持体の回転位相の調整前に、前記中間転写手段を前記複数の像担持体の回転速度とは異なる速度に変更するステップと、
前記複数の像担持体の回転位相の調整中に、変更した前記速度で前記中間転写手段を回転駆動するよう制御するステップとを有することを特徴とする画像形成装置の制御方法。 A control method for an image forming apparatus, comprising: a plurality of image carriers; and an intermediate transfer unit for supporting images formed on the plurality of image carriers.
Adjusting the rotational phase of the plurality of image carriers;
Changing the intermediate transfer means to a speed different from the rotational speed of the plurality of image carriers before adjusting the rotational phase of the plurality of image carriers;
And a step of controlling the intermediate transfer unit to rotate at the changed speed during the adjustment of the rotational phase of the plurality of image carriers.
JP2005314705A 2005-10-28 2005-10-28 Image forming apparatus and image forming apparatus control method Expired - Fee Related JP4955981B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005314705A JP4955981B2 (en) 2005-10-28 2005-10-28 Image forming apparatus and image forming apparatus control method

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Application Number Priority Date Filing Date Title
JP2005314705A JP4955981B2 (en) 2005-10-28 2005-10-28 Image forming apparatus and image forming apparatus control method

Publications (3)

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JP2007121741A JP2007121741A (en) 2007-05-17
JP2007121741A5 true JP2007121741A5 (en) 2008-12-11
JP4955981B2 JP4955981B2 (en) 2012-06-20

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Publication number Priority date Publication date Assignee Title
JP5863311B2 (en) * 2011-07-26 2016-02-16 キヤノン株式会社 Rotating body driving device and image forming apparatus
JP2014178632A (en) 2013-03-15 2014-09-25 Ricoh Co Ltd Image forming apparatus
JP6296346B2 (en) 2014-06-11 2018-03-20 株式会社リコー Image forming apparatus

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JPH09146329A (en) * 1995-11-20 1997-06-06 Fuji Xerox Co Ltd Image forming device
JP3499715B2 (en) * 1997-06-05 2004-02-23 富士通株式会社 Printing equipment
JP4622613B2 (en) * 2005-03-24 2011-02-02 富士ゼロックス株式会社 Image forming apparatus

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