{"id":10525,"date":"2019-07-09T14:57:53","date_gmt":"2019-07-09T14:57:53","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10525"},"modified":"2023-12-21T14:41:25","modified_gmt":"2023-12-21T14:41:25","slug":"c9402-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9402-bizhub-754e-654e","title":{"rendered":"C9402 (bizhub 754e\/654e)"},"content":{"rendered":"\n

\n\nContents<\/p>\n\n\n\n
Trouble type<\/td>Exposure LED lighting abnormally<\/td><\/tr>
Trouble code<\/td>C9402<\/td><\/tr>
Rank<\/td>A<\/td><\/tr>
Detection timing<\/td>\u2022 The average output value of the CCD sensor with the scanner at its standby position is a predetermined value or more at the end of a scan job.<\/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