{"id":26297,"date":"2025-06-10T15:24:43","date_gmt":"2025-06-10T15:24:43","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=26297"},"modified":"2025-06-10T15:24:49","modified_gmt":"2025-06-10T15:24:49","slug":"c392b-c392c-c392d-c392e-c4751i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c392b-c392c-c392d-c392e-c4751i","title":{"rendered":"C392B, C392C, C392D, C392E (C4751i)"},"content":{"rendered":"\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C392B: Fusing sensor wire breaks detection (difference of temperature)C392C: Fusing sensor wire breaks abnormality (heating detection)C392D: Fusing sensor wire breaks abnormality (heating compensation)C392E: Fusing sensor wire breaks abnormality (heating GND)<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Trouble detection condition<\/td>C392B: The difference between the temperature corrected by the heating roller thermistor\/Edg (TH1) and the temperature detected by the heating roller thermistor\/Ctr (TH2) exceeds a predetermined value.C392C: The heating detection thermistor AD value is higher than the threshold value longer than predetermined period of time.C392D: The heating compensation thermistor AD value is higher than the threshold value longer than predetermined period of time.C392E: The heating detection thermistor AD value and the heating compensation thermistor AD value are higher than the threshold value longer than predetermined period of time.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>Fusing unitHeating roller thermistor\/Edg (TH1)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 F102 conduction 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 C392B: Fusing sensor wire breaks detection (difference of temperature)C392C: Fusing sensor wire breaks abnormality (heating detection)C392D: Fusing sensor wire breaks abnormality (heating compensation)C392E: Fusing sensor wire breaks abnormality (heating GND) Rank A Trouble detection condition C392B: The difference between the temperature corrected by the heating roller thermistor\/Edg (TH1) and the temperature detected … <\/p>\n

    Continue reading “C392B, C392C, C392D, C392E (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-26297","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\/26297","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=26297"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26297\/revisions"}],"predecessor-version":[{"id":26298,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26297\/revisions\/26298"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26297"}],"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=26297"},{"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=26297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}