{"id":10489,"date":"2019-07-09T14:50:14","date_gmt":"2019-07-09T14:50:14","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10489"},"modified":"2023-12-21T14:41:46","modified_gmt":"2023-12-21T14:41:46","slug":"c9401-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9401-bizhub-754e-654e","title":{"rendered":"C9401 (bizhub 754e\/654e)"},"content":{"rendered":"\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>\u2022 The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
\u2022 The wrong model of firmware is detected in the MFP board when the main power switch is turned ON.
\u2022 The machine type information (Machine, Type) registered to the machine differs from the actual machine type.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>\u2022 LED exposure unit (LA201)
\u2022 Flat cable (LED exposure unit)
\u2022 CCD board (CCDB)
\u2022 Scanner drive board (SCDB)
\u2022 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 machine type information registered and re-enter as necessary.For details the machine information, see J.2.4 Entering the machine type information<\/a>.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check the connection between SCDB and LA201, and correct if necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>Check the connection between SCDB and MFPB, and correct if necessary.<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Check that the connection between CCDB and MFPB, and correct if necessary.<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace the LED exposure unit<\/a> (Part# A2X0M31000 )<\/td>–<\/td>–<\/td><\/tr>
6<\/td>Replace the CCD unit<\/a> (Part# A2X0R72111 )<\/td>–<\/td>–<\/td><\/tr>
7<\/td>SCDB F1 conduction check<\/td>–<\/td>–<\/td><\/tr>
8<\/td>Replace SCDB<\/a> (Part# A2X0H01A12 )<\/td>–<\/td>–<\/td><\/tr>
9<\/td>Replace MFPB<\/a> (Part# A55VH02304 )<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n