{"id":10741,"date":"2019-07-09T18:05:05","date_gmt":"2019-07-09T18:05:05","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10741"},"modified":"2023-12-21T14:37:43","modified_gmt":"2023-12-21T14:37:43","slug":"c6755-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c6755-bizhub-754e-654e","title":{"rendered":"C6755 (bizhub 754e\/654e)"},"content":{"rendered":"\n

Contents<\/p>\n\n\n\n
Trouble type<\/td>CIS gain adjustment failure<\/td><\/tr>
Trouble code<\/td>C6755<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Detection timing<\/td>After the gain adjustment is performed at the start-up, the peak value of the output data is lower than a given value.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>\u2022 CIS module (CIS) 
\u2022 Dual scan image processing board (DSIPB) 
\u2022 DF power supply (DFPU) 
\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>Correct the harness connection between CIS and DSIPB if faulty.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
2<\/td>Correct the harness connection between CIS and DFPU if faulty.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
3<\/td>Check for possible extraneous light and correct as necessary.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
4<\/td>Clean the back side reading glass and the shading sheet if dirty.<\/td>\u2013<\/td>\u2013<\/td><\/tr>
5<\/td>Replace CIS<\/a>CIS (Part# A2X0R70M00)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
6<\/td>Replace DSIPB<\/a>DSIPB (Part# A5C1H02A01)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
7<\/td>Replace DFPU<\/a>DFPU (Part# A3CKH00200)<\/td>\u2013<\/td>\u2013<\/td><\/tr>
8<\/td>Replace MFPB<\/a>MFPB (Part# A55VH02304)<\/td>\u2013<\/td>\u2013<\/td><\/tr><\/tbody><\/table>\n\n\n\n