{"id":24639,"date":"2021-02-04T13:01:40","date_gmt":"2021-02-04T13:01:40","guid":{"rendered":"http:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=24639"},"modified":"2023-12-13T15:58:54","modified_gmt":"2023-12-13T15:58:54","slug":"c3922-c3925-c3926-bizhub-4750i-4050i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c3922-c3925-c3926-bizhub-4750i-4050i","title":{"rendered":"C3922, C3925, C3926 (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>C3922: Fusing sensor wire breaks detection (Edge of the heating roller)

C3925: Fusing sensor wire breaks detection (Main of the heating roller)

C3926: Fusing sensor wire breaks detection (Center of the heating roller)<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Trouble detection condition<\/td>C3922: The maximum value and minimum value of detected temperature of the heating roller thermistor\/Edg (TH1) is compared after a lapse of given time from starting of warm up and the gap between the value of maximum and minimum is below or above given temperatures.

C3925: The maximum value and minimum value of detected temperature of the heating roller temperature sensor (TEMS2) is compared after a lapse of given time from starting of warm up and the gap between the value of maximum and minimum is below or above given temperatures.

C3926: The maximum value and minimum value of detected temperature of the heating roller thermistor\/Ctr (TH2) is compared after a lapse of given time from starting of warm up and the gap between the value of maximum and minimum is below or above given temperatures.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>-Fusing unit

-C3922: Heating roller thermistor\/Edg (TH1)
-C3925: Heating roller temperature sensor (TEMS)
-C3926: 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> (Part# ACT8R70100)<\/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. DCPS FU181 conduction check<\/li>
    2. Replace DCPS.<\/a> (Part# AAJRR70600)<\/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 C3922: Fusing sensor wire breaks detection (Edge of the heating roller) C3925: Fusing sensor wire breaks detection (Main of the heating roller) C3926: Fusing sensor wire breaks detection (Center of the … <\/p>\n

      Continue reading “C3922, C3925, C3926 (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-24639","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\/24639","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=24639"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24639\/revisions"}],"predecessor-version":[{"id":24641,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24639\/revisions\/24641"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24639"}],"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=24639"},{"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=24639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}