{"id":16093,"date":"2019-10-15T13:38:32","date_gmt":"2019-10-15T13:38:32","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=16093"},"modified":"2023-12-18T16:17:20","modified_gmt":"2023-12-18T16:17:20","slug":"c6751-bizhub-c554-c454","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c6751-bizhub-c554-c454","title":{"rendered":"C6751 (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>CCD clamp\/gain adjustment failure<\/td><\/tr>
Trouble code<\/td>C6751<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Detection timing<\/td>The adjustment value is 0 or 255 during a CCD clamp adjustment.The peak value of the output data is 64 or less during a CCD gain adjustment.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>-LED exposure unit (LU201)
-CCD board (CCDB)
-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 connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check for possible extraneous light and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>Clean the lens, mirrors, CCD surface, and shading sheet if dirty.<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Correct reflective mirror of the scanner if faulty, or change scanner mirror.<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace CCDB<\/a> (Part# A161R72100)<\/td>–<\/td>–<\/td><\/tr>
6<\/td>Replace MFPB<\/a> (Part# A2XKH02004)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n