JP2006301030A5 - - Google Patents

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Publication number
JP2006301030A5
JP2006301030A5 JP2005118972A JP2005118972A JP2006301030A5 JP 2006301030 A5 JP2006301030 A5 JP 2006301030A5 JP 2005118972 A JP2005118972 A JP 2005118972A JP 2005118972 A JP2005118972 A JP 2005118972A JP 2006301030 A5 JP2006301030 A5 JP 2006301030A5
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JP
Japan
Prior art keywords
scanning line
forming apparatus
image forming
shift amount
color image
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JP2005118972A
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Japanese (ja)
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JP2006301030A (en
JP4926412B2 (en
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Priority claimed from JP2005118972A external-priority patent/JP4926412B2/en
Priority to JP2005118972A priority Critical patent/JP4926412B2/en
Priority to US11/279,001 priority patent/US7630100B2/en
Priority to EP06251973.1A priority patent/EP1710999B1/en
Priority to CN200610072550XA priority patent/CN1845014B/en
Priority to KR1020060032209A priority patent/KR100809969B1/en
Publication of JP2006301030A publication Critical patent/JP2006301030A/en
Publication of JP2006301030A5 publication Critical patent/JP2006301030A5/ja
Priority to US12/603,035 priority patent/US8068259B2/en
Publication of JP4926412B2 publication Critical patent/JP4926412B2/en
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Expired - Fee Related legal-status Critical Current
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Claims (7)

色信号で変調された光ビームの理想的な走査線に対するずれ量を記憶するずれ量記憶手段と、
前記ずれ量記憶手段から得られるずれ量を基に、前記光ビームに基づいて形成されるドット単位のずれ補正を行うずれ補正手段と、
現走査線のドットと現走査線に隣接する走査線のドットのオン／オフの比率を、前記走査線の主走査方向における位置に応じて調整することにより、前記ずれ量に応じたドット単位未満の補正を行なう補正手段と、
を有することを特徴とするカラー画像形成装置。 Shift amount storage means for storing a shift amount of the light beam modulated by the color signal with respect to an ideal scanning line;
Based on the deviation amount obtained from the deviation amount storage means, a deviation correction means for performing deviation correction in dot units formed based on the light beam;
By adjusting the ON / OFF ratio of the dots of the current scanning line and the dots of the scanning line adjacent to the current scanning line according to the position of the scanning line in the main scanning direction, it is less than the dot unit corresponding to the shift amount. Correction means for correcting
A color image forming apparatus comprising: 前記補正手段は、前記走査線を主走査方向に複数の領域に分割し、前記領域ごとにオンドットの数を変更することで前記ドット単位未満の補正を行なうことを特徴とする請求項１に記載のカラー画像形成装置。 2. The correction unit according to claim 1, wherein the correction unit divides the scanning line into a plurality of regions in a main scanning direction, and corrects less than the dot unit by changing the number of on dots for each region. The color image forming apparatus described. 前記カラー画像形成装置は、ＣＭＹＫの４色のトナーにより画像を形成する画像形成装置であり、前記ずれ量記憶手段は、前記ずれ量を前記ＣＭＹＫの色版毎に記憶していることを特徴とする請求項１又は２に記載のカラー画像形成装置。 The color image forming apparatus is an image forming apparatus that forms an image with toners of four colors of CMYK, and the shift amount storage unit stores the shift amount for each color plate of CMYK. The color image forming apparatus according to claim 1 or 2. 色信号で変調された光ビームにより画像を形成するカラー画像形成装置の制御方法であって、
前記光ビームの理想的な走査線に対するずれ量を記憶するずれ量記憶部から得られるずれ量を基に、前記光ビームに基づいて形成されるドット単位のずれ補正を行うずれ補正工程と、
現走査線のドットと現走査線に隣接する走査線のドットのオン／オフの比率を、前記走査線の主走査方向における位置に応じて調整することにより、前記ずれ量に応じたドット単位未満の補正を行なう補正工程と、
を有することを特徴とするカラー画像形成装置の制御方法。 A control method of a color image forming apparatus for forming an image with a light beam modulated by a color signal,
A shift correction step for correcting a shift in dot units formed based on the light beam based on a shift amount obtained from a shift amount storage unit that stores a shift amount of the light beam with respect to an ideal scanning line;
By adjusting the ON / OFF ratio of the dots of the current scanning line and the dots of the scanning line adjacent to the current scanning line according to the position of the scanning line in the main scanning direction, it is less than the dot unit corresponding to the shift amount. A correction process for correcting
A control method for a color image forming apparatus, comprising: 前記補正工程は、前記走査線を主走査方向に複数の領域に分割し、前記領域ごとにオンドットの数を変更することで前記ドット単位未満の補正を行なうことを特徴とする請求項４に記載のカラー画像形成装置の制御方法。5. The correction process according to claim 4, wherein the correction step divides the scanning line into a plurality of regions in the main scanning direction, and corrects less than the dot unit by changing the number of on dots for each region. A control method of the color image forming apparatus described. 前記カラー画像形成装置は、ＣＭＹＫの４色のトナーにより画像を形成する画像形成装置であり、前記ずれ量記憶部は、前記ずれ量を前記ＣＭＹＫの色版毎に記憶していることを特徴とする請求項４又は５に記載のカラー画像形成装置の制御方法。The color image forming apparatus is an image forming apparatus that forms an image with four color toners of CMYK, and the shift amount storage unit stores the shift amount for each color plate of CMYK. A method for controlling a color image forming apparatus according to claim 4 or 5. 請求項４乃至６のいずれか１項に記載の制御方法を、コンピュータに実行させるためのプログラム。The program for making a computer perform the control method of any one of Claims 4 thru | or 6.
JP2005118972A 2005-04-08 2005-04-15 Image processing apparatus, control method therefor, and program Expired - Fee Related JP4926412B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2005118972A JP4926412B2 (en) 2005-04-15 2005-04-15 Image processing apparatus, control method therefor, and program
US11/279,001 US7630100B2 (en) 2005-04-08 2006-04-07 Color image forming apparatus
EP06251973.1A EP1710999B1 (en) 2005-04-08 2006-04-07 Color image forming apparatus
CN200610072550XA CN1845014B (en) 2005-04-08 2006-04-07 Color image forming apparatus
KR1020060032209A KR100809969B1 (en) 2005-04-08 2006-04-10 Col0r image forming apparatus and control method thereof
US12/603,035 US8068259B2 (en) 2005-04-08 2009-10-21 Color image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005118972A JP4926412B2 (en) 2005-04-15 2005-04-15 Image processing apparatus, control method therefor, and program

Publications (3)

Publication Number Publication Date
JP2006301030A JP2006301030A (en) 2006-11-02
JP2006301030A5 true JP2006301030A5 (en) 2008-05-29
JP4926412B2 JP4926412B2 (en) 2012-05-09

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JP2005118972A Expired - Fee Related JP4926412B2 (en) 2005-04-08 2005-04-15 Image processing apparatus, control method therefor, and program

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4824503B2 (en) * 2006-08-23 2011-11-30 株式会社リコー Color image forming apparatus
JP5241311B2 (en) 2008-05-08 2013-07-17 キヤノン株式会社 Image forming apparatus, image forming method, and program
JP5241429B2 (en) * 2008-10-24 2013-07-17 キヤノン株式会社 Image forming apparatus and control method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6529643B1 (en) * 1998-12-21 2003-03-04 Xerox Corporation System for electronic compensation of beam scan trajectory distortion
JP3463594B2 (en) * 1999-03-02 2003-11-05 松下電器産業株式会社 Color image forming equipment
JP2004170755A (en) * 2002-11-21 2004-06-17 Canon Inc Color image forming apparatus

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