{"id":24631,"date":"2021-02-04T12:52:14","date_gmt":"2021-02-04T12:52:14","guid":{"rendered":"http:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=24631"},"modified":"2023-12-13T15:58:54","modified_gmt":"2023-12-13T15:58:54","slug":"c3731-bizhub-4750i-4050i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c3731-bizhub-4750i-4050i","title":{"rendered":"C3731 (bizhub 4750i\/4050i)"},"content":{"rendered":"\n

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.<\/strong><\/p>\n\n\n\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C3731: Fusing abnormally high temperature detection (hard protector)<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Trouble detection condition<\/td>The hard protector signal malfunction is detected for a predetermined continuous period of time or more.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>-Fusing unit
-Heating roller thermistor\/Edg (TH1)
-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

Procedure<\/h2>\n\n\n\n
  1. Check the fusing unit for correct installation (whether it is secured in position).<\/li>
  2. Check the open\/close operation of the right door.<\/li>
  3. Check the connector between the fusing unit-relay CN3-BASEB CN10E for proper connection and correct as necessary.<\/li>
  4. Check the connector between the fusing unit-relay CN2-DCPS CN2 for proper connection and correct as necessary.<\/li>
  5. Check CPUB for proper installation and correct as necessary.<\/li>
  6. Replace the fusing unit.<\/a> <\/li>
  7. Replace CPUB.<\/a> (Part# ACT9H01003)<\/li>
  8. Replace BASEB.<\/a>
    4750i (Part# ACT9H02013)
    4050i (Part# ACT9H02002)<\/li><\/ol>\n\n\n\n
    1. Replace DCPS.<\/a> (Part# ACT8R70100)<\/li><\/ol>\n\n\n\n

      (Link to the Field Service Manual)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers. Contents Trouble type C3731: Fusing abnormally high temperature detection (hard protector) Rank A Trouble detection condition The hard protector signal malfunction is detected for a predetermined continuous period of time or more. Trouble isolation … <\/p>\n

      Continue reading “C3731 (bizhub 4750i\/4050i)”<\/span><\/a><\/p>\n","protected":false},"author":231,"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-24631","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\/24631","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\/231"}],"replies":[{"embeddable":true,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24631"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24631\/revisions"}],"predecessor-version":[{"id":24634,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24631\/revisions\/24634"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24631"}],"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=24631"},{"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=24631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}