{"id":10243,"date":"2019-07-08T19:41:30","date_gmt":"2019-07-08T19:41:30","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10243"},"modified":"2023-12-21T15:18:57","modified_gmt":"2023-12-21T15:18:57","slug":"c4091-bizhub-554e-454e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c4091-bizhub-554e-454e","title":{"rendered":"C4091 (bizhub 554e\/454e)"},"content":{"rendered":"\n

\n\nContents<\/p>\n\n\n\n
Trouble type<\/td>I\/F communication error<\/td><\/tr>
Trouble code<\/td>C4091<\/td><\/tr>
Rank<\/td>C<\/td><\/tr>
Detection timing<\/td>The communication between the MFPB and PRCB can not be completed even when elapsed a given period of time.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>\u2022 MFP board (MFPB)
\u2022 Printer control board (PRCB)<\/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>Reboot the machine.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check the flat cable between MFPB PJ03-PRCB CN41 for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>Check the connected portion of the flat cable for any curled pattern or any scratches, and replace it if necessary.<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Replace MFPB<\/a> (Part# A61FH02005)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace PRCB<\/a> (554e Part# A61EH00101 \/ 454e Part# A61DH00101) <\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n