{"id":26291,"date":"2025-06-10T15:14:46","date_gmt":"2025-06-10T15:14:46","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&#038;p=26291"},"modified":"2025-06-10T15:14:51","modified_gmt":"2025-06-10T15:14:51","slug":"c3726-c3731-c4751i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c3726-c3731-c4751i","title":{"rendered":"C3726, C3731 (C4751i)"},"content":{"rendered":"\n<p><strong>NOTE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Before parts replacement, do not carry out \u201ctrouble resetting by the trouble reset key\u201d. If the trouble resetting is carried out, abnormal heating may occur and smoke may be emitted.<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Contents<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Trouble type<\/td><td>C3726: Fusing abnormally high temperature detection (Center of the heating roller)C3731: Fusing abnormally high temperature detection (hard protector)<\/td><\/tr><tr><td>Rank<\/td><td>A<\/td><\/tr><tr><td>Trouble detection condition<\/td><td>When conduction check is carried out for the triac on the board of the DC power supply (DCPS) and an abnormality is confirmed.C3726: Detected temperature of the heating roller thermistor\/Ctr (TH2) goes beyond a given temperature for a given period of time consecutively.C3731: The hard protector signal malfunction is detected for a predetermined continuous period of time or more.<\/td><\/tr><tr><td>Trouble isolation<\/td><td>&#8211;<\/td><\/tr><tr><td>Relevant electrical parts<\/td><td>Fusing unitC3731: Heating roller thermistor\/Edg (TH1)C3731: Heating roller temperature sensor (TEMS)Heating roller thermistor\/Ctr (TH2)DC power supply (DCPS)CPU board (CPUB)Base board (BASEB)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Procedure:<\/h2>\n\n\n\n<p><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhubC4751iService\/en-US\/15513932939.html\">(Link to the Field Service Manual)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>NOTE Contents Trouble type C3726: Fusing abnormally high temperature detection (Center of the heating roller)C3731: Fusing abnormally high temperature detection (hard protector) Rank A Trouble detection condition When conduction check is carried out for the triac on the board of the DC power supply (DCPS) and an abnormality is confirmed.C3726: Detected temperature of the heating &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c3726-c3731-c4751i\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;C3726, C3731 (C4751i)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":227,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"epkb_post_type_1_category":[1394],"epkb_post_type_1_tag":[],"class_list":["post-26291","epkb_post_type_1","type-epkb_post_type_1","status-publish","hentry","epkb_post_type_1_category-c3-4750i-4050i-trouble"],"_links":{"self":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1"}],"about":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/types\/epkb_post_type_1"}],"author":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/users\/227"}],"replies":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26291"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26291\/revisions"}],"predecessor-version":[{"id":26292,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26291\/revisions\/26292"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26291"}],"wp:term":[{"taxonomy":"epkb_post_type_1_category","embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_category&post=26291"},{"taxonomy":"epkb_post_type_1_tag","embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fepkb_post_type_1_tag&post=26291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}