{"id":18689,"date":"2019-11-01T17:14:53","date_gmt":"2019-11-01T17:14:53","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=18689"},"modified":"2023-12-18T14:29:43","modified_gmt":"2023-12-18T14:29:43","slug":"c2557-bizhub-287-227","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2557-bizhub-287-227","title":{"rendered":"C2557 (bizhub 287\/227)"},"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>C2557: Abnormally low toner density detected black TCR sensor<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>When sampling data is determined in TC ratio calculation control, TCR sensor output is higher than a predetermined value for a predetermined number of times in a row even though there is toner in the toner hopper.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>-Developing unit\/K
-Toner cartridge\/K
-Toner empty sensor\/K (PS31)
-Toner cartridge motor (M10)
-Toner supply motor\/K (M6)
-MFP board (MFPB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

 Procedure<\/h2>\n\n\n\n
  1. Perform image troubleshooting procedure if image density is low.<\/li>
  2. Reinstall developing unit\/K.<\/li>
  3. Reinstall toner cartridge\/K.<\/li>
  4. Check the connector between the developing unit-relay CN15-MFPB CN17E for proper connection and correct as necessary.<\/li>
  5. M10 operation check