{"id":16277,"date":"2019-10-15T17:01:04","date_gmt":"2019-10-15T17:01:04","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=16277"},"modified":"2023-12-18T15:24:27","modified_gmt":"2023-12-18T15:24:27","slug":"cd401-bizhub-c554-c454","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=cd401-bizhub-c554-c454","title":{"rendered":"CD401 (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>NACK command incorrect<\/td><\/tr>
Trouble code<\/td>CD401<\/td><\/tr>
Rank<\/td>C<\/td><\/tr>
Detection timing<\/td>When abnormality is found in the communication of controller.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>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>
1<\/td>Check whether there is a strong electromagnetic noise source near the main body.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check the connectors on MFPB for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>Replace MFPB<\/a> (Part# A2XKH02004)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n