JP2001147563A5 - - Google Patents
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- JP2001147563A5 JP2001147563A5 JP1999331318A JP33131899A JP2001147563A5 JP 2001147563 A5 JP2001147563 A5 JP 2001147563A5 JP 1999331318 A JP1999331318 A JP 1999331318A JP 33131899 A JP33131899 A JP 33131899A JP 2001147563 A5 JP2001147563 A5 JP 2001147563A5
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Description
【発明の名称】画像形成装置[Title of Invention] Image forming apparatus
【０００１】
【発明の属する技術分野】
本発明はレーザ露光系を有する画像形成装置のレーザビームの出力を加減して解像度毎に安定した高品質の画像や任意の濃度条件の画像を得る画像形成装置に関する。また、解像度は長さ２５．４ｍｍ当たりに並ぶ判別可能なドット数で表し、この数をｄｐｉと定義する。[0001]
[Technical field to which the invention belongs]
The present invention relates to an image obtained Ru images forming device of stable high-quality images and any concentration conditions output by adjusting the per resolution of the laser beam of the image forming apparatus having a laser exposure system. The resolution is represented by the number of discriminable dots arranged per 25.4 mm in length, and this number is defined as dpi.
【０００８】
【発明が解決しようとする課題】
本発明は、以上のような従来技術の欠点を排除し、特に、次のような点を解決した画像形成装置を提供することを課題目的にする。0008
[Problems to be Solved by the Invention]
The present invention eliminates the disadvantages of the above conventional art, in particular, to object aims to provide a picture image forming apparatus that solves the following points.
【００１４】
【課題を解決するための手段】
この目的は次の技術手段（１）〜（６）の何れかによって達成される。0014.
[Means for solving problems]
This object is achieved by any of the following technical means (1) to ( 6).
【００１９】
（１） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、解像度毎に、それぞれ前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段とを有し、該求めたレーザビームの出力でそれぞれの解像度毎の画像を形成することを特徴とする画像形成装置。0019
( 1 ) In an image forming apparatus that forms an electrostatic latent image corresponding to image information at a plurality of resolutions on a photoconductor by a laser beam and develops the electrostatic latent image to obtain a microscopic image, each resolution is different. An image patch creating means for creating an image patch having a specified pixel density on the photoconductor by changing the output of the laser beam, a developing means for developing the image patch, and a density of the developed image patch are detected. It has a density detecting means and an output adjusting means for obtaining an output of a laser beam at which an image patch having a specified pixel density has a specified density based on density detection information from the density detecting means, and outputs the obtained laser beam. An image forming apparatus characterized by forming an image for each resolution.
【００２０】
（２） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、一つの解像度に対して、前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力で画像を形成し、別の解像度のレーザビ−ムに対しては、前記求めたレーザビーム出力に対しオフセット値を加減する解像度変換手段とを有し、該オフセット値を加減したレーザ出力値にて別の解像度の画像を形成することを特徴とする画像形成装置。
（３） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、解像度毎に、それぞれ前記レーザビームの出力を変化させて前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、前記画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段とを有し、該求めたレーザビームの出力にてそれぞれの解像度毎の画像を形成することを特徴とする画像形成装置。0020
(2) the laser beam by an electrostatic latent image corresponding to the image information in a plurality of resolutions formed on a photosensitive member, an image forming apparatus for obtaining a developed image by developing the electrostatic latent image, against the one resolution Then, the output of the laser beam is changed to create an image patch having a specified pixel density on the photoconductor, an image patch creating means, a developing means for developing the image patch, and a density of the developed image patch. With the density detecting means to be detected, the output adjusting means for obtaining the output of the laser beam at which the image patch having the specified pixel density has the specified density based on the density detection information from the density detecting means, and the output of the obtained laser beam. An image is formed, and for a laser beam having a different resolution, there is a resolution conversion means for adjusting the offset value with respect to the obtained laser beam output, and the laser output value obtained by adjusting the offset value is used separately. An image forming apparatus characterized in that an image having a resolution of is formed.
( 3 ) In an image forming apparatus that forms an electrostatic latent image corresponding to image information at a plurality of resolutions on a photoconductor by a laser beam and develops the electrostatic latent image to obtain a microscopic image, each resolution is different. An image patch creating means for changing the output of the laser beam to create an image patch having a predetermined pixel density on the photoconductor, a potential detecting means for detecting the potential of the image patch, and a potential detection from the potential detecting means. Based on the information, the image patch having the specified pixel density has an output adjusting means for obtaining the output of the laser beam having the specified potential, and the obtained output of the laser beam is used to form an image for each resolution. An image forming apparatus as a feature.
【００２１】
（４） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、一つの解像度に対して、前記レーザビームの出力を変化させて前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、前記画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力で画像を形成し、別の解像度のレーザビームに対しては、前記求めたレーザビーム出力に対しオフセット値を加減する解像度変換手段とを有し、該オフセット値を加減したレーザ出力値にて別の解像度の画像を形成することを特徴とする画像形成装置。0021.
(4) an electrostatic latent image corresponding to the image information in the plurality of resolutions by the laser beam is formed on a photosensitive member, an image forming apparatus for obtaining a developed image by developing the electrostatic latent image, against the one resolution From the image patch creating means for changing the output of the laser beam to create an image patch having a predetermined pixel density on the photoconductor, the potential detecting means for detecting the potential of the image patch, and the potential detecting means. An output adjusting means for obtaining the output of a laser beam at which an image patch having a specified pixel density becomes a specified potential based on potential detection information, and an image formed by the output of the obtained laser beam for a laser beam having a different resolution. The image formation is characterized by having a resolution conversion means for adjusting an offset value with respect to the obtained laser beam output, and forming an image having another resolution with the laser output value obtained by adjusting the offset value. apparatus.
【００２４】
（５） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、
前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力に対しオフセット値を加減する手段とを有し、該オフセット値を加減したレーザ出力値にて任意の濃度条件の画像を形成することを特徴とする画像形成装置。0024
( 5 ) In an image forming apparatus that forms an electrostatic latent image corresponding to image information at a plurality of resolutions on a photoconductor by a laser beam and develops the electrostatic latent image to obtain a microscopic image.
An image patch creating means for creating an image patch having a specified pixel density on the photoconductor by changing the output of the laser beam, a developing means for developing the image patch, and a density of the developed image patch are detected. An output adjusting means for obtaining the output of a laser beam having a specified density of an image patch having a specified pixel density based on the density detecting means and the density detection information from the density detecting means, and an offset with respect to the obtained output of the laser beam. An image forming apparatus having a means for adjusting the value, and forming an image under an arbitrary density condition with a laser output value obtained by adjusting the offset value.
【００２５】
（６） レーザビームにより複数の解像度で画像情報に対応した静電潜像を感光体上に形成し、前記静電潜像を現像して顕画像を得る画像形成装置において、
前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力に対しオフセット値を加減する手段とを有し、該オフセット値を加減したレーザ出力値にて任意の濃度条件の画像を形成することを特徴とする画像形成装置。0025
( 6 ) In an image forming apparatus that forms an electrostatic latent image corresponding to image information at a plurality of resolutions on a photoconductor by a laser beam and develops the electrostatic latent image to obtain a microscopic image.
An image patch creating means for changing the output of the laser beam to create an image patch having a predetermined pixel density on the photoconductor, a potential detecting means for detecting the potential of the image patch, and a potential from the potential detecting means. Based on the detection information, the image patch having the specified pixel density has an output adjusting means for obtaining the output of the laser beam having the specified potential, and a means for adjusting the offset value with respect to the obtained output of the laser beam. An image forming apparatus characterized in that an image under an arbitrary density condition is formed by a laser output value obtained by adjusting the value.
Claims (6)
解像度毎に、それぞれ前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段とを有し、該求めたレーザビームの出力でそれぞれの解像度毎の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image,
Image patch creating means for creating an image patch of a prescribed pixel density on the photosensitive body by changing the output of the laser beam for each resolution, developing means for developing the image patch, and the developed image patch and concentration detection means for detecting the concentration of, based on the density detection information from said concentration detection unit, and an output adjusting means asking you to output of the laser beam image patches specified pixel density is normal concentration, the An image forming apparatus characterized in that an image for each resolution is formed by the output of the obtained laser beam.
一つの解像度に対して、前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力で画像を形成し、別の解像度のレーザビームに対しては、前記求めたレーザビーム出力に対しオフセット値を加減する解像度変換手段とを有し、該オフセット値を加減したレーザ出力値にて別の解像度の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image,
For the one of the resolution, the varying the output of the laser beam, and an image patch forming means for forming an image patch defined pixel density on the photosensitive member, and developing means for developing the image patch, and the development a density detecting unit that detects a density of an image patch, based on the density detection information from said concentration detection unit, and an output adjusting means asking you to output of the laser beam image patches specified pixel density is normal concentration,該求Me the image is formed at the output of the laser beam, for the laser beam of different resolution, possess a resolution converting means for adjusting the said laser beam pair Shi offset value to the output obtained, adjusting the said offset value An image forming apparatus characterized in that an image of another resolution is formed with the laser output value.
解像度毎に、それぞれ前記レーザビームの出力を変化させて前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、前記画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段とを有し、該求めたレーザビームの出力にてそれぞれの解像度毎の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image,
For each resolution, the image patch forming means for forming an image patch of each of said laser beam defining pixel density outputted by changing over the prior SL photoreceptor, a potential detection means for detecting the potential of the pre-outs image patch, based on the potential detection information from said potential detection means, defining pixel density and an output adjusting means asking you to output the image patch defined potential as such Relais Zabimu of each at the output of the obtained laser beam An image forming apparatus characterized in that an image of each resolution is formed.
一つの解像度に対して、前記レーザビームの出力を変化させて前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、前記画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力で画像を形成し、別の解像度のレーザビームに対しては、前記求めたレーザビーム出力に対しオフセット値を加減する解像度変換手段とを有し、該オフセット値を加減したレーザ出力値にて別の解像度の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image,
For the single resolution, the image patch forming means for forming an image patch defined pixel density on prior Symbol photoreceptor by changing the output of the laser beam, the potential detecting means for detecting the potential of the pre-outs image patch If, on the basis of the potential detecting information from said potential detection means, and an output adjusting means asking you to output the image patch defined potential as such Relais Zabimu defined pixel density, an image at the output of the laser beam determined the formation and, with respect to the laser beam of different resolution, it possesses a resolution converting means for adjusting the said laser beam pair Shi offset value to the output obtained, different resolution by a laser output value or minus the offset value An image forming apparatus for forming an image;
前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチを現像する現像手段と、該現像した画像パッチの濃度を検出する濃度検出手段と、該濃度検出手段からの濃度検出情報に基づいて、規定画素密度の画像パッチが規定濃度となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力に対しオフセット値を加減する手段とを有し、該オフセット値を加減したレーザ出力値にて任意の濃度条件の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image ,
By changing the output of the previous SL laser beam, wherein an image patch forming means for forming an image patch defined pixel density on the photosensitive member, and developing means for developing the image patch, the density of the image patches the developing detected a concentration detection unit that, based on the concentration information detected from the concentration detection means, and an output adjusting means for determining the output of the laser beam image patches specified pixel density is normal concentration, to the output of the laser beam obtained the An image forming apparatus comprising: means for adjusting an offset value, and forming an image of an arbitrary density condition with a laser output value obtained by adjusting the offset value .
前記レーザビームの出力を変化させて、前記感光体上に規定画素密度の画像パッチを作成する画像パッチ作成手段と、該画像パッチの電位を検出する電位検出手段と、前記電位検出手段からの電位検出情報に基づいて、規定画素密度の画像パッチが規定電位となるレーザビームの出力を求める出力調節手段と、該求めたレーザビームの出力に対しオフセット値を加減する手段とを有し、該オフセット値を加減したレーザ出力値にて任意の濃度条件の画像を形成することを特徴とする画像形成装置。In an image forming apparatus for forming an electrostatic latent image corresponding to image information at a plurality of resolutions on a photosensitive member by a laser beam and developing the electrostatic latent image to obtain a visible image,
Wherein by changing the output of laser beam, wherein an image patch forming means for forming an image patch defined pixel density on the photosensitive member, and the potential detecting means for detecting the potential of the image patch, the potential from the potential detection means based on the detection information, comprising: a power control means for determining the output of the laser beam image patches specified pixel density is defined potential, a manual stage you adjusting the offset value against the output of the laser beam obtained the An image forming apparatus characterized by forming an image of an arbitrary density condition with a laser output value obtained by adjusting the offset value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33131899A JP4281936B2 (en) | 1999-11-22 | 1999-11-22 | Image forming apparatus |
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|---|---|---|---|
| JP33131899A JP4281936B2 (en) | 1999-11-22 | 1999-11-22 | Image forming apparatus |
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| JP2001147563A JP2001147563A (en) | 2001-05-29 |
| JP2001147563A5 true JP2001147563A5 (en) | 2005-01-06 |
| JP4281936B2 JP4281936B2 (en) | 2009-06-17 |
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| JP4305494B2 (en) | 2006-11-16 | 2009-07-29 | コニカミノルタビジネステクノロジーズ株式会社 | Image forming apparatus |
| JP6179082B2 (en) * | 2012-09-14 | 2017-08-16 | 株式会社リコー | Image forming apparatus and image forming method |
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