{"id":26295,"date":"2025-06-10T15:23:10","date_gmt":"2025-06-10T15:23:10","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=26295"},"modified":"2025-06-10T15:23:16","modified_gmt":"2025-06-10T15:23:16","slug":"c3922-c3925-c3926-c4751i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c3922-c3925-c3926-c4751i","title":{"rendered":"C3922, C3925, C3926 (C4751i)"},"content":{"rendered":"\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 unitC3922: 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
    \n
  1. Check the fusing unit for correct installation (whether it is secured in position).<\/li>\n\n\n\n
  2. Check the open\/close operation of the right door.<\/li>\n\n\n\n
  3. Check the connector between the fusing unit-relay CN3-BASEB CN10E for proper connection and correct as necessary.<\/li>\n\n\n\n
  4. Check the connector between the fusing unit-relay CN2-DCPS CN2 for proper connection and correct as necessary.<\/li>\n\n\n\n
  5. Check CPUB for proper installation and correct as necessary.<\/li>\n\n\n\n
  6. Replace the fusing unit.<\/a><\/li>\n\n\n\n
  7. Replace CPUB.<\/a><\/li>\n\n\n\n
  8. Replace BASEB.<\/a><\/li>\n\n\n\n
  9. DCPS\u00a0F102 or FU181\u00a0conduction check.<\/li>\n\n\n\n
  10. Replace DCPS.<\/a><\/li>\n<\/ol>\n\n\n\n

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

    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 heating roller) Rank A Trouble detection condition C3922: The maximum value and minimum value of detected temperature of the heating roller thermistor\/Edg (TH1) … <\/p>\n

    Continue reading “C3922, C3925, C3926 (C4751i)”<\/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-26295","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\/26295","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=26295"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26295\/revisions"}],"predecessor-version":[{"id":26296,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26295\/revisions\/26296"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26295"}],"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=26295"},{"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=26295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}