{"id":10508,"date":"2019-07-09T14:44:21","date_gmt":"2019-07-09T14:44:21","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=10508"},"modified":"2023-12-21T14:41:46","modified_gmt":"2023-12-21T14:41:46","slug":"c4802-bizhub-754e-654e","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c4802-bizhub-754e-654e","title":{"rendered":"C4802 (bizhub 754e\/654e)"},"content":{"rendered":"\n

Contents <\/p>\n\n\n\n
\nTrouble type<\/td>\nMain unit backup data miscompare<\/td><\/tr>
\nTrouble code<\/td>\nC4802<\/td><\/tr>
\nRank<\/td>\nC<\/td><\/tr>
\nDetection timing<\/td>\nThe replacement of the printer control board is \ndetected.<\/td><\/tr>
\nTrouble isolation<\/td>\n–<\/td><\/tr>
\nRelevant electrical parts<\/td>\nPrinter control board \n(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>\n1. When the finisher or job separator has been \ninstalled, remove it once.\n2. Call the Enhanced Security in Service Mode to the \nscreen.\n3. Touch [Engine Data Backup].\n4. Touch [Engine Data Reflect mode], and press the \nStart key.\n5. Select [Yes], and press the Start key again.\n6. Check that the result \ufffd??OK\ufffd?? appears. \n7. Turn OFF the main power switch and turn it ON \nagain more than 10 seconds after.<\/td>\n–<\/td>\n–<\/td><\/tr>
\n2<\/td> Update the PRCB firmware.<\/a><\/td>\n–<\/td>\n–<\/td><\/tr>
\n3<\/td>\nIf the above actions do not solve the problem, \ncontact KM.<\/td>\n–<\/td>\n–<\/td><\/tr><\/tbody><\/table>\n\n\n\n