{"id":16134,"date":"2019-10-15T14:39:36","date_gmt":"2019-10-15T14:39:36","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=16134"},"modified":"2023-12-18T15:34:55","modified_gmt":"2023-12-18T15:34:55","slug":"c9404-bizhub-c554-c454","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9404-bizhub-c554-c454","title":{"rendered":"C9404 (bizhub C554\/C454)"},"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<\/p>\n\n\n\n
Trouble type<\/td>CIS LED lighting abnormally<\/td><\/tr>
Trouble code<\/td>C9404<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Detection timing<\/td>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>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>-CIS module (CIS)
-CIS power supply (CISPU)
-Dual scan image processing board (DSIPB)
-MFP board (MFPB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

(2)Procedure<\/p>\n\n\n\n
Step<\/td>Action<\/td>Control signal<\/td>Location of electrical components<\/td><\/tr><\/thead>
1<\/td>Correct the harness connection between CIS and DSIPB if faulty.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
2<\/td>Correct the harness connection between CIS and CISPU if faulty.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
3<\/td>Replace CIS<\/a> (Part# A3CEM70000)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
4<\/td>CISPU F1, F2 conduction check<\/td>\u2013<\/td>\u2013<\/td><\/tr>
5<\/td>Replace CISPU<\/a> (Part# A3CEPP4Y00)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
6<\/td>Replace DSIPB<\/a> (Part# A161H02A00)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
7<\/td>Replace MFPB<\/a> (Part# A2XKH02004)<\/td>\u2013<\/td>\u2013<\/td><\/tr><\/tbody><\/table>\n\n\n\n