TONER CHARGING STATE DETERMINATION METHOD AND IMAGE FORMING APPARATUS

To determine a state of a toner charging amount in a toner image formed on a surface of an intermediate transfer body.SOLUTION: A processor 81 causes a printing portion 4 to execute test image transfer processing for transferring a plurality of test toner images onto an area outside a secondary tran...

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description To determine a state of a toner charging amount in a toner image formed on a surface of an intermediate transfer body.SOLUTION: A processor 81 causes a printing portion 4 to execute test image transfer processing for transferring a plurality of test toner images onto an area outside a secondary transfer area on a surface of an intermediate transfer body 441, and secondary voltage stop processing for stopping the supply of secondary transfer voltage (S1, S2). The processor 81 acquires a plurality of first sensing densities (S3). The processor 81 causes the printing portion 4 to execute the test image transfer processing and secondary voltage supply processing for supplying the secondary transfer voltage (S4, S5). The processor 81 acquires a plurality of second sensing densities (S6). The processor 81 compares the plurality of first sensing densities and the plurality of second sensing densities to determine a state of a toner charging amount in each of the plurality of test toner images (S7, S8).SELECTED DRAWING: Figure 3 【課題】中間転写体の表面に形成されたトナー像におけるトナー帯電量の状態を判定すること。【解決手段】プロセッサー81は、中間転写体441の表面における二次転写領域の外側の領域へ複数のテストトナー像を転写するテスト画像転写処理および二次転写電圧の供給を停止する二次電圧停止処理をプリント部4に実行させる(S1,S2)。前記プロセッサー81は、複数の第1検出濃度を取得する(S3)。前記プロセッサー81は、前記テスト画像転写処理および前記二次転写電圧を供給する二次電圧供給処理を前記プリント部4に実行させる(S4,S5)。前記プロセッサー81は、複数の第2検出濃度を取得する(S6)。前記プロセッサー81は、前記複数の第1検出濃度と前記複数の第2検出濃度とを比較することにより前記複数のテストトナー像におけるトナー帯電量の状態を判定する(S7,S8)。【選択図】図3
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The processor 81 acquires a plurality of first sensing densities (S3). The processor 81 causes the printing portion 4 to execute the test image transfer processing and secondary voltage supply processing for supplying the secondary transfer voltage (S4, S5). The processor 81 acquires a plurality of second sensing densities (S6). The processor 81 compares the plurality of first sensing densities and the plurality of second sensing densities to determine a state of a toner charging amount in each of the plurality of test toner images (S7, S8).SELECTED DRAWING: Figure 3 【課題】中間転写体の表面に形成されたトナー像におけるトナー帯電量の状態を判定すること。【解決手段】プロセッサー81は、中間転写体441の表面における二次転写領域の外側の領域へ複数のテストトナー像を転写するテスト画像転写処理および二次転写電圧の供給を停止する二次電圧停止処理をプリント部4に実行させる(S1,S2)。前記プロセッサー81は、複数の第1検出濃度を取得する(S3)。前記プロセッサー81は、前記テスト画像転写処理および前記二次転写電圧を供給する二次電圧供給処理を前記プリント部4に実行させる(S4,S5)。前記プロセッサー81は、複数の第2検出濃度を取得する(S6)。前記プロセッサー81は、前記複数の第1検出濃度と前記複数の第2検出濃度とを比較することにより前記複数のテストトナー像におけるトナー帯電量の状態を判定する(S7,S8)。【選択図】図3</description><language>eng ; jpn</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; MAGNETOGRAPHY ; PHOTOGRAPHY ; PHYSICS</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=20230719&amp;DB=EPODOC&amp;CC=JP&amp;NR=2023100337A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230719&amp;DB=EPODOC&amp;CC=JP&amp;NR=2023100337A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAMAOKI KENICHI</creatorcontrib><title>TONER CHARGING STATE DETERMINATION METHOD AND IMAGE FORMING APPARATUS</title><description>To determine a state of a toner charging amount in a toner image formed on a surface of an intermediate transfer body.SOLUTION: A processor 81 causes a printing portion 4 to execute test image transfer processing for transferring a plurality of test toner images onto an area outside a secondary transfer area on a surface of an intermediate transfer body 441, and secondary voltage stop processing for stopping the supply of secondary transfer voltage (S1, S2). The processor 81 acquires a plurality of first sensing densities (S3). The processor 81 causes the printing portion 4 to execute the test image transfer processing and secondary voltage supply processing for supplying the secondary transfer voltage (S4, S5). The processor 81 acquires a plurality of second sensing densities (S6). The processor 81 compares the plurality of first sensing densities and the plurality of second sensing densities to determine a state of a toner charging amount in each of the plurality of test toner images (S7, S8).SELECTED DRAWING: Figure 3 【課題】中間転写体の表面に形成されたトナー像におけるトナー帯電量の状態を判定すること。【解決手段】プロセッサー81は、中間転写体441の表面における二次転写領域の外側の領域へ複数のテストトナー像を転写するテスト画像転写処理および二次転写電圧の供給を停止する二次電圧停止処理をプリント部4に実行させる(S1,S2)。前記プロセッサー81は、複数の第1検出濃度を取得する(S3)。前記プロセッサー81は、前記テスト画像転写処理および前記二次転写電圧を供給する二次電圧供給処理を前記プリント部4に実行させる(S4,S5)。前記プロセッサー81は、複数の第2検出濃度を取得する(S6)。前記プロセッサー81は、前記複数の第1検出濃度と前記複数の第2検出濃度とを比較することにより前記複数のテストトナー像におけるトナー帯電量の状態を判定する(S7,S8)。【選択図】図3</description><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAQgOEsDqK-w-EuxGZwPpprEiGXkJ5zKSVOpRbq-yOCD-D0D9-_VySJqUDrsbjADnpBIbAkVGJglJAYIolPFpAthIiOoEtfdIA5Y0F59Ee1e47zVk-_HtS5I2n9pa6voW7rONWlvod7bnRjrlobc0Pz1_QB1zIsYw</recordid><startdate>20230719</startdate><enddate>20230719</enddate><creator>TAMAOKI KENICHI</creator><scope>EVB</scope></search><sort><creationdate>20230719</creationdate><title>TONER CHARGING STATE DETERMINATION METHOD AND IMAGE FORMING APPARATUS</title><author>TAMAOKI KENICHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2023100337A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2023</creationdate><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>TAMAOKI KENICHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAMAOKI KENICHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TONER CHARGING STATE DETERMINATION METHOD AND IMAGE FORMING APPARATUS</title><date>2023-07-19</date><risdate>2023</risdate><abstract>To determine a state of a toner charging amount in a toner image formed on a surface of an intermediate transfer body.SOLUTION: A processor 81 causes a printing portion 4 to execute test image transfer processing for transferring a plurality of test toner images onto an area outside a secondary transfer area on a surface of an intermediate transfer body 441, and secondary voltage stop processing for stopping the supply of secondary transfer voltage (S1, S2). The processor 81 acquires a plurality of first sensing densities (S3). The processor 81 causes the printing portion 4 to execute the test image transfer processing and secondary voltage supply processing for supplying the secondary transfer voltage (S4, S5). The processor 81 acquires a plurality of second sensing densities (S6). The processor 81 compares the plurality of first sensing densities and the plurality of second sensing densities to determine a state of a toner charging amount in each of the plurality of test toner images (S7, S8).SELECTED DRAWING: Figure 3 【課題】中間転写体の表面に形成されたトナー像におけるトナー帯電量の状態を判定すること。【解決手段】プロセッサー81は、中間転写体441の表面における二次転写領域の外側の領域へ複数のテストトナー像を転写するテスト画像転写処理および二次転写電圧の供給を停止する二次電圧停止処理をプリント部4に実行させる(S1,S2)。前記プロセッサー81は、複数の第1検出濃度を取得する(S3)。前記プロセッサー81は、前記テスト画像転写処理および前記二次転写電圧を供給する二次電圧供給処理を前記プリント部4に実行させる(S4,S5)。前記プロセッサー81は、複数の第2検出濃度を取得する(S6)。前記プロセッサー81は、前記複数の第1検出濃度と前記複数の第2検出濃度とを比較することにより前記複数のテストトナー像におけるトナー帯電量の状態を判定する(S7,S8)。【選択図】図3</abstract><oa>free_for_read</oa></addata></record>
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title TONER CHARGING STATE DETERMINATION METHOD AND IMAGE FORMING APPARATUS
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