{"id":12725,"date":"2019-07-22T13:17:35","date_gmt":"2019-07-22T13:17:35","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=12725"},"modified":"2023-12-21T14:21:31","modified_gmt":"2023-12-21T14:21:31","slug":"c2558-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c2558-bizhub-754e-654e","title":{"rendered":"C2558 (bizhub 754e\/654e)"},"content":{"rendered":"\n

\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>The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times.<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>Developing unitToner cartridgeSub hopper unitPrinter 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<\/a> <\/td>–<\/td>–<\/td><\/tr>
2<\/td>Reinstall toner cartridge<\/a> <\/td>–<\/td>–<\/td><\/tr>
3<\/td>Replace the developing unit<\/a> (Part# A2X203D)<\/td>–<\/td>–<\/td><\/tr>
4<\/td>Replace PRCB<\/a> (Part# A55VH00105)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>Replace the sub hopper unit<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n