{"id":16127,"date":"2019-10-15T14:33:06","date_gmt":"2019-10-15T14:33:06","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=16127"},"modified":"2023-12-18T15:34:55","modified_gmt":"2023-12-18T15:34:55","slug":"c9401-bizhub-c554-c454","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9401-bizhub-c554-c454","title":{"rendered":"C9401 (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

\n\nContents<\/p>\n\n\n\n
Trouble type<\/td>Exposure LED lighting failure<\/td><\/tr>
Trouble code<\/td>C9401<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Detection timing<\/td>The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>-LED exposure unit (LU201)
-Flat cable (LED exposure unit)
-CCD board (CCDB)
-Scanner drive board (SCDB)
-Printer control board (PRCB)
-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>Check the connection between SCDB PJ3-LU201, and correct if necessary.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check the connector between SCDB PJ1-PRCB CN43 for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Replace the LED exposure unit<\/a> (Part# A161M31100Old or part# A61FM31100)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace CCDB<\/a> (Part# A161R72100)<\/td>–<\/td>–<\/td><\/tr>
6<\/td>SCDB F1 conduction check<\/td>–<\/td>–<\/td><\/tr>
7<\/td>Replace SCDB<\/a> (Part# A161H01A00Old or A161H01B12)<\/td>–<\/td>–<\/td><\/tr>
8<\/td>Replace PRCB<\/a> (C554 Part# A2XKH00104 \/ C454 A4FJH00104)<\/td>–<\/td>–<\/td><\/tr>
9<\/td>Replace MFPB<\/a> (Part# A2XKH02004)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n