IMAGE FORMING APPARATUS

To prevent excessive execution of shading correction when a cooling device is connected between a fuser and a reading device.SOLUTION: An image forming apparatus has a printer 107 that forms an image by using toner and thermally fixes the image to a sheet; a CIS unit 321 that reads the image while c...

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Hauptverfasser: OTA YUYA, KIYOTA YUKO, IWASAKI SHIN, SHIMURA YOSHIHIRO, YAMAUCHI YUGA, KONNO RUMI, EDA HIROYUKI
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creator OTA YUYA
KIYOTA YUKO
IWASAKI SHIN
SHIMURA YOSHIHIRO
YAMAUCHI YUGA
KONNO RUMI
EDA HIROYUKI
description To prevent excessive execution of shading correction when a cooling device is connected between a fuser and a reading device.SOLUTION: An image forming apparatus has a printer 107 that forms an image by using toner and thermally fixes the image to a sheet; a CIS unit 321 that reads the image while conveying the sheet; and a CPU 233 that controls the image formation to increase the interval between the sheets that are continuously conveyed, and executes shading correction of the CIS unit 321 from when the preceding sheet passes through a reading position until when the subsequent sheet passes through the reading position. When a cooling device 110 is connected between a fuser and a reading device, the number of sheets on which the image formation is performed from when shading correction is executed until when the next shading correction is executed is a first number, and when the cooling device 110 is not connected, the number of sheets is a second number smaller than the first number.SELECTED DRAWING: Figure 8 【課題】 定着器の読取装置との間に冷却装置が接続された際のシェーディング補正の過剰な実行を抑制する。【解決手段】 トナーを用いて画像を形成してシートに熱定着させる印刷装置107と、シートを搬送させながら前記画像を読み取るCISユニット321と、連続して搬送されるシートの間隔が拡がるように画像形成を制御し、先行するシートが読取位置を通過してから後続のシートが該読取位置を通過するまでにCISユニット321のシェーディング補正を実行するCPU233とを有し、シェーディング補正が実行されてから次回のシェーディング補正が実行されるまでの画像形成されるシートの枚数が、冷却装置110が接続された場合は第1の枚数であって、冷却装置110が接続されない場合は前記第1の枚数より少ない第2の枚数であることを特徴とする画像形成装置。【選択図】 図8
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When a cooling device 110 is connected between a fuser and a reading device, the number of sheets on which the image formation is performed from when shading correction is executed until when the next shading correction is executed is a first number, and when the cooling device 110 is not connected, the number of sheets is a second number smaller than the first number.SELECTED DRAWING: Figure 8 【課題】 定着器の読取装置との間に冷却装置が接続された際のシェーディング補正の過剰な実行を抑制する。【解決手段】 トナーを用いて画像を形成してシートに熱定着させる印刷装置107と、シートを搬送させながら前記画像を読み取るCISユニット321と、連続して搬送されるシートの間隔が拡がるように画像形成を制御し、先行するシートが読取位置を通過してから後続のシートが該読取位置を通過するまでにCISユニット321のシェーディング補正を実行するCPU233とを有し、シェーディング補正が実行されてから次回のシェーディング補正が実行されるまでの画像形成されるシートの枚数が、冷却装置110が接続された場合は第1の枚数であって、冷却装置110が接続されない場合は前記第1の枚数より少ない第2の枚数であることを特徴とする画像形成装置。【選択図】 図8</description><language>eng ; jpn</language><subject>CALCULATING ; CINEMATOGRAPHY ; COMPUTING ; CORRECTION OF TYPOGRAPHICAL ERRORS ; COUNTING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; LINING MACHINES ; MAGNETOGRAPHY ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; PRINTING ; SELECTIVE PRINTING MECHANISMS ; STAMPS ; TRANSPORTING ; TYPEWRITERS</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230516&amp;DB=EPODOC&amp;CC=JP&amp;NR=2023067251A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230516&amp;DB=EPODOC&amp;CC=JP&amp;NR=2023067251A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OTA YUYA</creatorcontrib><creatorcontrib>KIYOTA YUKO</creatorcontrib><creatorcontrib>IWASAKI SHIN</creatorcontrib><creatorcontrib>SHIMURA YOSHIHIRO</creatorcontrib><creatorcontrib>YAMAUCHI YUGA</creatorcontrib><creatorcontrib>KONNO RUMI</creatorcontrib><creatorcontrib>EDA HIROYUKI</creatorcontrib><title>IMAGE FORMING APPARATUS</title><description>To prevent excessive execution of shading correction when a cooling device is connected between a fuser and a reading device.SOLUTION: An image forming apparatus has a printer 107 that forms an image by using toner and thermally fixes the image to a sheet; a CIS unit 321 that reads the image while conveying the sheet; and a CPU 233 that controls the image formation to increase the interval between the sheets that are continuously conveyed, and executes shading correction of the CIS unit 321 from when the preceding sheet passes through a reading position until when the subsequent sheet passes through the reading position. 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When a cooling device 110 is connected between a fuser and a reading device, the number of sheets on which the image formation is performed from when shading correction is executed until when the next shading correction is executed is a first number, and when the cooling device 110 is not connected, the number of sheets is a second number smaller than the first number.SELECTED DRAWING: Figure 8 【課題】 定着器の読取装置との間に冷却装置が接続された際のシェーディング補正の過剰な実行を抑制する。【解決手段】 トナーを用いて画像を形成してシートに熱定着させる印刷装置107と、シートを搬送させながら前記画像を読み取るCISユニット321と、連続して搬送されるシートの間隔が拡がるように画像形成を制御し、先行するシートが読取位置を通過してから後続のシートが該読取位置を通過するまでにCISユニット321のシェーディング補正を実行するCPU233とを有し、シェーディング補正が実行されてから次回のシェーディング補正が実行されるまでの画像形成されるシートの枚数が、冷却装置110が接続された場合は第1の枚数であって、冷却装置110が接続されない場合は前記第1の枚数より少ない第2の枚数であることを特徴とする画像形成装置。【選択図】 図8</abstract><oa>free_for_read</oa></addata></record>
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subjects CALCULATING
CINEMATOGRAPHY
COMPUTING
CORRECTION OF TYPOGRAPHICAL ERRORS
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
LINING MACHINES
MAGNETOGRAPHY
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
title IMAGE FORMING APPARATUS
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