{"id":26414,"date":"2025-06-11T14:23:39","date_gmt":"2025-06-11T14:23:39","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=26414"},"modified":"2025-06-11T14:23:45","modified_gmt":"2025-06-11T14:23:45","slug":"c9401-c9402-c4751i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9401-c9402-c4751i","title":{"rendered":"C9401, C9402 (C4751i)"},"content":{"rendered":"\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C9401: CIS LED lighting failure (front side)C9402: CIS LED lighting abnormally (front side)<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>C9401: At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.C9402: The average output value of the CIS LED with the scanner at its standby position is a predetermined value or more at the end of a scan job.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>Flat cableCIS module (IR CIS)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 connector between IR CIS-BASEB CN6 for proper connection and correct as necessary.<\/li>\n\n\n\n
  2. Check CPUB for proper installation and correct as necessary.<\/li>\n\n\n\n
  3. Replace the flat cable.<\/li>\n\n\n\n
  4. Replace IR CIS.<\/a><\/li>\n\n\n\n
  5. Replace CPUB.<\/a><\/li>\n\n\n\n
  6. Replace BASEB.<\/a><\/li>\n<\/ol>\n\n\n\n

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

    Contents Trouble type C9401: CIS LED lighting failure (front side)C9402: CIS LED lighting abnormally (front side) Rank B Trouble detection condition C9401: At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.C9402: The average output value of the CIS LED with the scanner at … <\/p>\n

    Continue reading “C9401, C9402 (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":[1400],"epkb_post_type_1_tag":[],"class_list":["post-26414","epkb_post_type_1","type-epkb_post_type_1","status-publish","hentry","epkb_post_type_1_category-c9-4750i-4050i-trouble"],"_links":{"self":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26414","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=26414"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26414\/revisions"}],"predecessor-version":[{"id":26415,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/26414\/revisions\/26415"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26414"}],"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=26414"},{"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=26414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}