{"id":15185,"date":"2019-10-01T19:58:37","date_gmt":"2019-10-01T19:58:37","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=15185"},"modified":"2023-12-18T19:21:47","modified_gmt":"2023-12-18T19:21:47","slug":"c2558-bizhub-c754-c654","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2558-bizhub-c754-c654","title":{"rendered":"C2558 (bizhub C754\/C654)"},"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>
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\n\nContents<\/p>\n\n\n\n
Trouble type<\/td>Abnormally high toner density detected black TCR sensor<\/td><\/tr>
Trouble code<\/td>C2558<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Detection timing<\/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>–<\/td><\/tr>
Relevant electrical parts<\/td>-Developing unit \/K
-Toner cartridge \/K
-Sub hopper unit
-Printer control board (PRCB)<\/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>Reinstall developing unit\/K<\/a><\/td>–<\/td>–<\/td><\/tr>
2<\/td>Reinstall toner cartridge<\/a><\/td>–<\/td>–<\/td><\/tr>
3<\/td>Replace the developing unit\/K<\/a> (Part# A2X203D)<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Replace PRCB<\/a> (Part# A2X0H00102)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace the sub hopper unit (Part# A2X0R71433)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n