{"id":24838,"date":"2021-02-05T12:52:32","date_gmt":"2021-02-05T12:52:32","guid":{"rendered":"http:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&#038;p=24838"},"modified":"2023-12-13T15:08:26","modified_gmt":"2023-12-13T15:08:26","slug":"c9403-c9404-bizhub-4750i-4050i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9403-c9404-bizhub-4750i-4050i","title":{"rendered":"C9403, C9404 (bizhub 4750i\/4050i)"},"content":{"rendered":"\n<p><strong>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<h2 class=\"wp-block-heading\">Contents<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Trouble type<\/td><td>C9403: CIS LED lighting failure (back side)<br><br>C9404: CIS LED lighting abnormally (back side)<\/td><\/tr><tr><td>Rank<\/td><td>B<\/td><\/tr><tr><td>Trouble detection condition<\/td><td>C9403: At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.<br><br>C9404: After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.<\/td><\/tr><tr><td>Trouble isolation<\/td><td>Scanner<\/td><\/tr><tr><td>Relevant electrical parts<\/td><td>-Flat cable<br>-DF CIS module (DF CIS)<br>-CPU board (CPUB)<br>-Base board (BASEB)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Procedure<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Check the connector between DFCISRYB CN2-BASEB CN5 for proper connection and correct as necessary.<\/li><li>Check CPUB for proper installation and correct as necessary.<\/li><li>Replace the flat cable. (Part# A93EN11H00)<\/li><li><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhub4750iService\/en-US\/9677678091.html\">Replace the DF CIS module assy.<\/a> (Part# AAJNR70900)<\/li><li><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhub4750iService\/en-US\/9677847179.html\">Replace CPUB.<\/a> (Part# ACT9H01003)<\/li><li><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhub4750iService\/en-US\/9677783563.html\">Replace BASEB.<\/a> <br>4750i (Part# ACT9H02013)<br>4050i (Part# ACT9H02002)<\/li><\/ol>\n\n\n\n<p><a href=\"https:\/\/wapps.mykonicaminolta.com\/msman\/m\/service\/bizhub4750iService\/en-US\/9312303243.html\">(Link to the Field Service Manual)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers. Contents Trouble type C9403: CIS LED lighting failure (back side) C9404: CIS LED lighting abnormally (back side) Rank B Trouble detection condition C9403: At the CIS gain adjustment, the machine detected that the output &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9403-c9404-bizhub-4750i-4050i\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;C9403, C9404 (bizhub 4750i\/4050i)&#8221;<\/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":[1400],"epkb_post_type_1_tag":[],"class_list":["post-24838","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\/24838","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=24838"}],"version-history":[{"count":1,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24838\/revisions"}],"predecessor-version":[{"id":24839,"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=\/wp\/v2\/epkb_post_type_1\/24838\/revisions\/24839"}],"wp:attachment":[{"href":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24838"}],"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=24838"},{"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=24838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}