IMAGE FORMING APPARATUS
To provide an image forming apparatus adapted to prevent lowering of productivity by eliminating the arrival delay of a sheet at an image forming unit without a change of the sheet transport speed when changing over the source of paper supply.SOLUTION: An image forming apparatus includes a paper-sup...
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| creator | NODA TATSUO |
| description | To provide an image forming apparatus adapted to prevent lowering of productivity by eliminating the arrival delay of a sheet at an image forming unit without a change of the sheet transport speed when changing over the source of paper supply.SOLUTION: An image forming apparatus includes a paper-supply unit, an image forming unit, a sheet transport unit, a decrease detecting unit and a control unit. The control unit sets a preparatory paper-supply unit to start a preparation for changing over the source of paper supply based on an output of the decrease detecting unit. The control unit sets, as to the preparatory paper-supply unit, a predicted number of remaining sheets that is a prediction value of a remaining amount of sheets. The control unit sets any one of the paper-supply units accommodating sheets of the same size as the preparatory paper-supply unit as a destination-of-changeover paper-supply unit. The control unit sets the number of changeover sheets. The control unit subtracts 1 from the predicted number of remaining sheets each time the preparatory paper-supply unit supplies a sheet. When the predicted number of remaining sheets of the preparatory paper-supply unit becomes the number of changeover sheets or smaller, the control unit causes the destination-of-changeover paper-supply unit to start a supply of sheets.SELECTED DRAWING: Figure 6
【課題】給紙元の切り替え時、用紙搬送速度を変えることなく、画像形成部への用紙の到達遅延をなくし、生産性の低下を防ぐ。【解決手段】画像形成装置は、給紙部、画像形成部、用紙搬送部、減少検知部、制御部を含む。制御部は、減少検知部の出力に基づき、給紙元の切り替え準備を開始すべき準備給紙部を設定する。制御部は、準備給紙部について、用紙の残量の予測値である予測残枚数を設定する。制御部は、準備給紙部と同じサイズの用紙を収容する給紙部のうち、何れか１つを切替先給紙部に設定する。制御部は切替枚数を設定する。制御部は、準備給紙部が用紙を給紙するごとに予測残枚数から１を減算する。準備給紙部の予測残枚数が切替枚数以下になった時点で、制御部は、切替先給紙部に用紙の給紙を開始させる。【選択図】図６ |
| format | Patent |
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【課題】給紙元の切り替え時、用紙搬送速度を変えることなく、画像形成部への用紙の到達遅延をなくし、生産性の低下を防ぐ。【解決手段】画像形成装置は、給紙部、画像形成部、用紙搬送部、減少検知部、制御部を含む。制御部は、減少検知部の出力に基づき、給紙元の切り替え準備を開始すべき準備給紙部を設定する。制御部は、準備給紙部について、用紙の残量の予測値である予測残枚数を設定する。制御部は、準備給紙部と同じサイズの用紙を収容する給紙部のうち、何れか１つを切替先給紙部に設定する。制御部は切替枚数を設定する。制御部は、準備給紙部が用紙を給紙するごとに予測残枚数から１を減算する。準備給紙部の予測残枚数が切替枚数以下になった時点で、制御部は、切替先給紙部に用紙の給紙を開始させる。【選択図】図６</description><language>eng ; jpn</language><subject>CINEMATOGRAPHY ; CONVEYING ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HANDLING THIN OR FILAMENTARY MATERIAL ; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES ; HOLOGRAPHY ; MAGNETOGRAPHY ; PACKING ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; STORING ; TRANSPORTING</subject><creationdate>2020</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&date=20200604&DB=EPODOC&CC=JP&NR=2020083515A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200604&DB=EPODOC&CC=JP&NR=2020083515A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NODA TATSUO</creatorcontrib><title>IMAGE FORMING APPARATUS</title><description>To provide an image forming apparatus adapted to prevent lowering of productivity by eliminating the arrival delay of a sheet at an image forming unit without a change of the sheet transport speed when changing over the source of paper supply.SOLUTION: An image forming apparatus includes a paper-supply unit, an image forming unit, a sheet transport unit, a decrease detecting unit and a control unit. The control unit sets a preparatory paper-supply unit to start a preparation for changing over the source of paper supply based on an output of the decrease detecting unit. The control unit sets, as to the preparatory paper-supply unit, a predicted number of remaining sheets that is a prediction value of a remaining amount of sheets. The control unit sets any one of the paper-supply units accommodating sheets of the same size as the preparatory paper-supply unit as a destination-of-changeover paper-supply unit. The control unit sets the number of changeover sheets. The control unit subtracts 1 from the predicted number of remaining sheets each time the preparatory paper-supply unit supplies a sheet. When the predicted number of remaining sheets of the preparatory paper-supply unit becomes the number of changeover sheets or smaller, the control unit causes the destination-of-changeover paper-supply unit to start a supply of sheets.SELECTED DRAWING: Figure 6
【課題】給紙元の切り替え時、用紙搬送速度を変えることなく、画像形成部への用紙の到達遅延をなくし、生産性の低下を防ぐ。【解決手段】画像形成装置は、給紙部、画像形成部、用紙搬送部、減少検知部、制御部を含む。制御部は、減少検知部の出力に基づき、給紙元の切り替え準備を開始すべき準備給紙部を設定する。制御部は、準備給紙部について、用紙の残量の予測値である予測残枚数を設定する。制御部は、準備給紙部と同じサイズの用紙を収容する給紙部のうち、何れか１つを切替先給紙部に設定する。制御部は切替枚数を設定する。制御部は、準備給紙部が用紙を給紙するごとに予測残枚数から１を減算する。準備給紙部の予測残枚数が切替枚数以下になった時点で、制御部は、切替先給紙部に用紙の給紙を開始させる。【選択図】図６</description><subject>CINEMATOGRAPHY</subject><subject>CONVEYING</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>STORING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD39HV0d1Vw8w_y9fRzV3AMCHAMcgwJDeZhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGRgYGFsamhqaOxkQpAgAMbh_M</recordid><startdate>20200604</startdate><enddate>20200604</enddate><creator>NODA TATSUO</creator><scope>EVB</scope></search><sort><creationdate>20200604</creationdate><title>IMAGE FORMING APPARATUS</title><author>NODA TATSUO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2020083515A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2020</creationdate><topic>CINEMATOGRAPHY</topic><topic>CONVEYING</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>STORING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>NODA TATSUO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NODA TATSUO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMAGE FORMING APPARATUS</title><date>2020-06-04</date><risdate>2020</risdate><abstract>To provide an image forming apparatus adapted to prevent lowering of productivity by eliminating the arrival delay of a sheet at an image forming unit without a change of the sheet transport speed when changing over the source of paper supply.SOLUTION: An image forming apparatus includes a paper-supply unit, an image forming unit, a sheet transport unit, a decrease detecting unit and a control unit. The control unit sets a preparatory paper-supply unit to start a preparation for changing over the source of paper supply based on an output of the decrease detecting unit. The control unit sets, as to the preparatory paper-supply unit, a predicted number of remaining sheets that is a prediction value of a remaining amount of sheets. The control unit sets any one of the paper-supply units accommodating sheets of the same size as the preparatory paper-supply unit as a destination-of-changeover paper-supply unit. The control unit sets the number of changeover sheets. The control unit subtracts 1 from the predicted number of remaining sheets each time the preparatory paper-supply unit supplies a sheet. When the predicted number of remaining sheets of the preparatory paper-supply unit becomes the number of changeover sheets or smaller, the control unit causes the destination-of-changeover paper-supply unit to start a supply of sheets.SELECTED DRAWING: Figure 6
【課題】給紙元の切り替え時、用紙搬送速度を変えることなく、画像形成部への用紙の到達遅延をなくし、生産性の低下を防ぐ。【解決手段】画像形成装置は、給紙部、画像形成部、用紙搬送部、減少検知部、制御部を含む。制御部は、減少検知部の出力に基づき、給紙元の切り替え準備を開始すべき準備給紙部を設定する。制御部は、準備給紙部について、用紙の残量の予測値である予測残枚数を設定する。制御部は、準備給紙部と同じサイズの用紙を収容する給紙部のうち、何れか１つを切替先給紙部に設定する。制御部は切替枚数を設定する。制御部は、準備給紙部が用紙を給紙するごとに予測残枚数から１を減算する。準備給紙部の予測残枚数が切替枚数以下になった時点で、制御部は、切替先給紙部に用紙の給紙を開始させる。【選択図】図６</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CINEMATOGRAPHY CONVEYING ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY MAGNETOGRAPHY PACKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS STORING TRANSPORTING |
| title | IMAGE FORMING APPARATUS |
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