JP2005091537A5 - - Google Patents

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Publication number
JP2005091537A5
JP2005091537A5 JP2003322373A JP2003322373A JP2005091537A5 JP 2005091537 A5 JP2005091537 A5 JP 2005091537A5 JP 2003322373 A JP2003322373 A JP 2003322373A JP 2003322373 A JP2003322373 A JP 2003322373A JP 2005091537 A5 JP2005091537 A5 JP 2005091537A5
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Japan
Prior art keywords
image forming
forming apparatus
color misregistration
length
detection
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Pending
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JP2003322373A
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Japanese (ja)
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JP2005091537A (en
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Priority to JP2003322373A priority Critical patent/JP2005091537A/en
Priority claimed from JP2003322373A external-priority patent/JP2005091537A/en
Publication of JP2005091537A publication Critical patent/JP2005091537A/en
Publication of JP2005091537A5 publication Critical patent/JP2005091537A5/ja
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Claims (7)

互いに異なる複数の画像色の画像を形成する複数の画像形成ユニットと、前記画像形成ユニットにより形成された画像を表面に担持し、搬送する画像搬送手段と、色ずれ検出動作時に前記画像形成ユニットにより前記画像搬送手段上に各色毎の色ずれ検出用パターンを形成する制御を行う色ずれ検出用パターン発生手段と、前記色ずれ検出用パターンを検出するセンサより構成される色ずれ検出ユニットと、前記色ずれ検出ユニットにより検出された色ずれ検出信号に基づいて色ずれを補正する色ずれ補正手段とを備えた画像形成装置において、
前記色ずれ検出用パターン及び前記センサのサイズを、前記色ずれ検出用パターンを構成するキャリア粒子またはトナー粒子のサイズ、装置ずれ量、環境による変動量の少なくとも一つに応じて決定することを特徴とする画像形成装置。 A plurality of image forming units that form images of a plurality of different image colors, an image conveying unit that carries and conveys an image formed by the image forming unit on the surface, and the image forming unit during color misregistration detection operation A color misregistration detection unit configured to include a color misregistration detection pattern generating unit that performs control to form a color misregistration detection pattern for each color on the image conveying unit; In an image forming apparatus comprising color misregistration correction means for correcting color misregistration based on a color misregistration detection signal detected by a color misregistration detection unit,
The size of the color misregistration detection pattern and the sensor is determined according to at least one of the size of carrier particles or toner particles constituting the color misregistration detection pattern, the amount of device misregistration, and the amount of variation due to the environment. An image forming apparatus. 請求項１に記載の画像形成装置において、２成分現像剤を用いる場合に、前記色ずれ検出用パターンを構成するキャリア粒子の粒径をＤ１、検出センサの長さをＬ１とした場合に、前記検出センサの長さＬ１を10Ｄ１≦Ｌ１になるように構成したことを特徴とする画像形成装置。 The image forming apparatus according to claim 1, wherein when a two-component developer is used, the particle diameter of the carrier particles constituting the color misregistration detection pattern is D1, and the length of the detection sensor is L1. an image forming apparatus characterized by being configured the length L1 of the sensor such that 10D1 ≦ L 1. 請求項１に記載の画像形成装置において、１成分現像剤を用いる場合に、前記色ずれ検出用パターン（パッチ）を構成するトナー粒子の粒径をＤ２、検出センサの長さをＬ１とした場合に、前記検出センサの長さＬ１を10Ｄ２≦Ｌ１になるように構成したことを特徴とする画像形成装置。 2. The image forming apparatus according to claim 1, wherein when a one-component developer is used, the particle diameter of the toner particles constituting the color misregistration detection pattern (patch) is D2, and the length of the detection sensor is L1. the image forming apparatus characterized by being configured the length L1 of the sensor such that 10D2 ≦ L 1. 請求項２に記載の画像形成装置において、前記検出センサの長さＬ１を10Ｄ１≦Ｌ１≦30Ｄ１になるように構成したことを特徴とする画像形成装置。The image forming apparatus according to claim 2, wherein the length L1 of the detection sensor is configured to satisfy 10D1 ≦ L1 ≦ 30D1. 請求項３に記載の画像形成装置において、前記検出センサの長さＬ１を10Ｄ２≦Ｌ１≦30Ｄ２になるように構成したことを特徴とする画像形成装置。 4. The image forming apparatus according to claim 3, wherein a length L1 of the detection sensor is configured to satisfy 10D2 ≦ L1 ≦ 30D2 . 請求項２乃至５のいずれか１項に記載の画像形成装置において、前記色ずれ検出用パターン（パッチ）の長さＬ２を前記検出センサの長さをＬ１、前記色ずれ検出用パターン（パッチ）を構成する機構全体の装置ずれ量をＤ３、環境による変動量をＤ４とした場合、Ｌ１min＋Ｄ３＋Ｄ４≦Ｌ２≦Ｌ１max＋２(Ｄ３＋Ｄ４)になるように構成したことを特徴とする画像形成装置。 The image forming apparatus according to any one of claims 2 to 5, the length of the detection sensor the length L2 of the color shift detection patterns (patches) L1, the color shift detection patterns (patches) The image forming apparatus is configured so that L1min + D3 + D4 ≦ L2 ≦ L1max + 2 (D3 + D4), where D3 is the amount of deviation of the entire mechanism constituting the mechanism and D4 is the variation due to the environment. 請求項１乃至６のいずれか１項に記載の画像形成装置において、前記色ずれ検出用パターン（パッチ）が、主走査方向と平行なラインとそのラインに対してある所定の角度で傾斜したもう1本のラインより構成されることを特徴とする画像形成装置。 Another image forming apparatus according to any one of claims 1 to 6, said color shift detection patterns (patches) is inclined at a predetermined angle with respect to the main scanning direction parallel to the line and the line An image forming apparatus comprising one line.
JP2003322373A 2003-09-16 2003-09-16 Image forming apparatus Pending JP2005091537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003322373A JP2005091537A (en) 2003-09-16 2003-09-16 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003322373A JP2005091537A (en) 2003-09-16 2003-09-16 Image forming apparatus

Publications (2)

Publication Number Publication Date
JP2005091537A JP2005091537A (en) 2005-04-07
JP2005091537A5 true JP2005091537A5 (en) 2006-03-30

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JP2003322373A Pending JP2005091537A (en) 2003-09-16 2003-09-16 Image forming apparatus

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4760476B2 (en) 2006-03-28 2011-08-31 ブラザー工業株式会社 Image forming apparatus and deviation amount detection method
JP5218159B2 (en) * 2009-03-05 2013-06-26 セイコーエプソン株式会社 Patch size determination method, patch size determination system, and printing apparatus

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