{"id":10553,"date":"2019-07-09T15:10:18","date_gmt":"2019-07-09T15:10:18","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10553"},"modified":"2023-12-21T14:41:24","modified_gmt":"2023-12-21T14:41:24","slug":"c5351-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c5351-bizhub-754e-654e","title":{"rendered":"C5351 (bizhub 754e\/654e)"},"content":{"rendered":"\n

Contents <\/p>\n\n\n\n
\nTrouble type<\/td>\nDC power supply cooling fan’s failure to \nturn<\/td><\/tr>
\nTrouble code<\/td>\nC5351<\/td><\/tr>
\nRank<\/td>\nB<\/td><\/tr>
\nDetection timing<\/td>\nThe fan lock signal remains HIGH for a predetermined \ncontinuous period of time while the fan is turning.<\/td><\/tr>
\nTrouble isolation<\/td>\n–<\/td><\/tr>
\nRelevant electrical parts<\/td> \u2022 DC power supply cooling fan (FM9)
\u2022 DC power supply (DCPU)
\u2022 Printer control board (PRCB) <\/td><\/tr><\/tbody><\/table>\n\n\n\n

\n \n(2)Procedure\n\n\n\n\n<\/p>\n\n\n\n
\nStep<\/td>\nAction<\/td>\nControl signal<\/td>\nLocation of electrical \ncomponents<\/td><\/tr><\/thead>
\n1<\/td>\nCheck the connector between FM9-relay CN333-PRCB \nCN38 for proper connection and correct as necessary.<\/td>\n–<\/td>\n–<\/td><\/tr>
\n2<\/td>\nCheck the fan for possible overload and correct as \nnecessary.<\/td>\n–<\/td>\n–<\/td><\/tr>
\n3<\/td>\nFM9 operation check<\/td>\nPRCB CN38-1 (DRIVE)\nPRCB CN38-3 (LOCK)<\/td>\n19-K<\/td><\/tr>
\n4<\/td>\nReplace FM9<\/td>\n–<\/td>\n–<\/td><\/tr>
\n5<\/td>\nPRCB ICP3 conduction check<\/td>\n–<\/td>\n–<\/td><\/tr>
\n6<\/td> Replace DCPU<\/a>DCPU (Part# 100V A2X0R70300)<\/td>\n–<\/td>\n–<\/td><\/tr>
\n7<\/td> Replace PRCB<\/a>PRCB (Part# A55VH00105)<\/td>\n–<\/td>\n–<\/td><\/tr><\/tbody><\/table>\n\n\n\n