Ricoh A284 Manual de servicio complementario - Página 8

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Ricoh A284 Manual de servicio complementario

6. REPLACEMENT AND ADJUSTMENT........................................ 6-1

6.1 PRECAUTION ...........................................................................................6-1
6.2 NCU AND SPEAKER ................................................................................6-1
6.3 FCU ...........................................................................................................6-2
6.3.1 REMOVAL ........................................................................................6-2
6.3.2 SRAM DATA RESTORE FROM FCU...............................................6-2
6.3.3 SRAM DATA RESTORE FROM FLASH CARD BACKUP................6-4
6.4 ROM UPDATE...........................................................................................6-7
6.4.1 FCU ROM DOWNLOAD...................................................................6-7
6.4.2 FCU ROM UPLOAD .........................................................................6-9
6.4.3 SRAM BACKUP TO A FLASH MEMORY CARD............................6-11
6.5 DATA ADDRESS RANGES ON THE CARD ...........................................6-13
6.5.1 FCU AND BICU ROM DATA ..........................................................6-13
6.5.2 MODEM ROM AND SRAM DATA ..................................................6-13
7. TROUBLESHOOTING ................................................................ 7-1
7.1 ERROR CODES........................................................................................7-1
7.2 FAX SC CODES......................................................................................7-10
7.2.1 OVERVIEW ....................................................................................7-10
7.2.2 SC1201...........................................................................................7-10
7.2.3 SC1207...........................................................................................7-10
7.2.4 FAX SC CODE TABLE ...................................................................7-11
7.3 FIRMWARE HISTORY ............................................................................7-12
7.3.1 A874 FIRMWARE HISTORY ..........................................................7-12
SM
vii
Rev. 09/2000
A283/A284