IMAGE FORMING DEVICE
PROBLEM TO BE SOLVED: To provide an image forming device that uses an exchangeable developing unit and prevents unnecessary consumption of developing powder at the start of image formation.SOLUTION: At the first printing after replacing a developing unit, the time X from when developing bias voltage...
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| creator | SAKAI KATSUHIDE |
| description | PROBLEM TO BE SOLVED: To provide an image forming device that uses an exchangeable developing unit and prevents unnecessary consumption of developing powder at the start of image formation.SOLUTION: At the first printing after replacing a developing unit, the time X from when developing bias voltage starts to be input until when it reaches a predetermined value Vb0 is measured and stored. At the second printing, output of the developing bias voltage is started at the time Z when a time Xu passes from a charging start time t0, the time Xu being calculated by subtracting the time X from a predetermined time Y required for an end in a rotating direction (end of drum charging part) of a charging part of a photoreceptor drum to reach a developing position. The end of the drum charging part reaches the developing position at the same time as when the developing bias voltage reaches the predetermined value Vb0. |
| format | Patent |
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At the second printing, output of the developing bias voltage is started at the time Z when a time Xu passes from a charging start time t0, the time Xu being calculated by subtracting the time X from a predetermined time Y required for an end in a rotating direction (end of drum charging part) of a charging part of a photoreceptor drum to reach a developing position. The end of the drum charging part reaches the developing position at the same time as when the developing bias voltage reaches the predetermined value Vb0.</description><language>eng</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; MAGNETOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2012</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=20120614&DB=EPODOC&CC=JP&NR=2012113040A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120614&DB=EPODOC&CC=JP&NR=2012113040A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAKAI KATSUHIDE</creatorcontrib><title>IMAGE FORMING DEVICE</title><description>PROBLEM TO BE SOLVED: To provide an image forming device that uses an exchangeable developing unit and prevents unnecessary consumption of developing powder at the start of image formation.SOLUTION: At the first printing after replacing a developing unit, the time X from when developing bias voltage starts to be input until when it reaches a predetermined value Vb0 is measured and stored. At the second printing, output of the developing bias voltage is started at the time Z when a time Xu passes from a charging start time t0, the time Xu being calculated by subtracting the time X from a predetermined time Y required for an end in a rotating direction (end of drum charging part) of a charging part of a photoreceptor drum to reach a developing position. The end of the drum charging part reaches the developing position at the same time as when the developing bias voltage reaches the predetermined value Vb0.</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>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBDx9HV0d1Vw8w_y9fRzV3BxDfN0duVhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhkaGhsYGJgaOxkQpAgCb2R6w</recordid><startdate>20120614</startdate><enddate>20120614</enddate><creator>SAKAI KATSUHIDE</creator><scope>EVB</scope></search><sort><creationdate>20120614</creationdate><title>IMAGE FORMING DEVICE</title><author>SAKAI KATSUHIDE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012113040A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</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>SAKAI KATSUHIDE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SAKAI KATSUHIDE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMAGE FORMING DEVICE</title><date>2012-06-14</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To provide an image forming device that uses an exchangeable developing unit and prevents unnecessary consumption of developing powder at the start of image formation.SOLUTION: At the first printing after replacing a developing unit, the time X from when developing bias voltage starts to be input until when it reaches a predetermined value Vb0 is measured and stored. At the second printing, output of the developing bias voltage is started at the time Z when a time Xu passes from a charging start time t0, the time Xu being calculated by subtracting the time X from a predetermined time Y required for an end in a rotating direction (end of drum charging part) of a charging part of a photoreceptor drum to reach a developing position. The end of the drum charging part reaches the developing position at the same time as when the developing bias voltage reaches the predetermined value Vb0.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS |
| title | IMAGE FORMING DEVICE |
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