{"id":17297,"date":"2019-10-22T17:15:30","date_gmt":"2019-10-22T17:15:30","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=17297"},"modified":"2023-12-18T14:53:09","modified_gmt":"2023-12-18T14:53:09","slug":"c2554-bizhub-c759-c659","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2554-bizhub-c759-c659","title":{"rendered":"C2554 (bizhub C759\/C659)"},"content":{"rendered":"\n

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.<\/strong><\/p>\n\n\n\n

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C2554: Abnormally high toner density detected magenta TCR sensor<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.<\/td><\/tr>
Trouble isolation<\/td>\u2013<\/td><\/tr>
Relevant electrical parts<\/td>-Imaging unit\/C
-Imaging unit\/M
-Imaging unit\/Y
-Toner cartridge\/C
-Toner cartridge\/M
-Toner cartridge\/Y
-Sub hopper unit
-Toner empty sensor\/C (RS\/C)
-Toner empty sensor\/M (RS\/M)
-Toner empty sensor\/Y (RS\/Y)
-MFP board (MFPB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

 Procedure<\/h2>\n\n\n\n
  1. Reinstall the imaging unit.<\/a><\/li>
  2. Reinstall the toner cartridge.<\/a><\/li>
  3. Check the connector between RS\/C-relay CN291-relay CN265-MFPB CN4E for proper connection and correct as necessary.<\/li>
  4. Check the connector between RS\/M-relay CN246-relay CN265-MFPB CN4E for proper connection and correct as necessary.<\/li>
  5. Check the connector between RS\/Y-relay CN247-relay CN265-MFPB CN4E for proper connection and correct as necessary.<\/li>
  6. RS\/C, RS\/M, RS\/Y I\/O check, sensor check