{"id":5966,"date":"2019-06-14T20:17:43","date_gmt":"2019-06-14T20:17:43","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=5966"},"modified":"2023-12-21T17:51:17","modified_gmt":"2023-12-21T17:51:17","slug":"c9404-bizhub-558-458-368-308","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c9404-bizhub-558-458-368-308","title":{"rendered":"C9404 (bizhub 558\/458\/368\/308)"},"content":{"rendered":"\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C9404: CIS LED lighting abnormally (bizhub 368\/308: When DF-704 is installed, bizhub 558\/458)<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.<\/td><\/tr>
Trouble isolation<\/td>Scanner<\/td><\/tr>
Relevant electrical parts<\/td>\u2022 CIS module (CIS) 
\u2022 CIS power supply (CISPU) 
\u2022 Dual scan image processing board (DSIPB) 
\u2022 MFP board (MFPB) 
\u2022 CIS cable<\/td><\/tr><\/tbody><\/table>\n\n\n\n

 Procedure<\/h2>\n\n\n\n
  1. Check the back side scanning shading shaft for any stain, and clean up it as necessary.<\/li>
  2. Check that the bearing<\/a> of the back side glass cleaning roller unit is on the standby position.<\/li>
  3. Correct the harness connection between CIS and DSIPB if faulty.<\/li>
  4. Correct the harness connection between CIS J222-CISPU J2 if faulty.<\/li>
  5. Measure the voltage of CISPU J1-1.