{"id":25956,"date":"2023-10-11T14:07:02","date_gmt":"2023-10-11T14:07:02","guid":{"rendered":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=25956"},"modified":"2023-12-13T14:08:19","modified_gmt":"2023-12-13T14:08:19","slug":"c8402-bizhub-950i-850i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c8402-bizhub-950i-850i","title":{"rendered":"C8402 (bizhub 950i\/850i)"},"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><\/strong><\/p>\n\n\n\n

Contents<\/strong><\/h2>\n\n\n\n
Trouble type<\/td>C8402: Multi feed detection board failure<\/td><\/tr>
Rank<\/td>C<\/td><\/tr>
Trouble detection condition<\/td>When the main power switch ON or when the original is being conveyed, the AD value there is no paper loaded state is out of the predetermined range.<\/td><\/tr>
Trouble isolation<\/td>DF<\/td><\/tr>
Relevant electrical parts<\/td>– Multi feed detection board\/TX (MFDB\/TX)
– Multi feed detection board\/RX (MFDB\/RX)
– DF control board (DFCB)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Procedure<\/strong><\/h2>\n\n\n\n
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  1. Check the DF firmware version and update it to the latest version.<\/li>\n\n\n\n
  2. Check the connector between MFDB\/TX-relay CN114-DFCB CN23 for proper connection and correct as necessary.<\/li>\n\n\n\n
  3. Check the connector between MFDB\/RX-DFCB CN22 for proper connection and correct as necessary.<\/li>\n\n\n\n
  4. MFDB\/TX operation check\n