Ricoh A250 Service Manual page 549

FCU
10. Turn off the main power switch then disconnect the tools.
11. Install the EXFUNC and EXMEM boards if they were present.
12. Turn the machine back on.
13. Print the system parameter list to check if the previous settings have been
successfully recovered.
6.3.3 SRAM DATA RESTORE FROM FLASH CARD BACKUP
SRAM data can be copied to a flash memory card. For how to do this, refer to
section 6.5.
Before restoring the SRAM data, install a new FCU and initialize the SRAM on the
new FCU using the following procedure.
1. Install a new FCU in the machine (see section 6.3.1).
2. Turn on the machine. The machine displays "SC1201".
NOTE: The machine always displays "SC1201" the first time the FCU is
installed. Please ignore it.
3. Press YES to initialize the SRAM.
Then, restore the SRAM using the following procedure.
4. Turn off the machine.
NOTE: If the EXFUNC board was
present; make sure that a
backup of both the EXFUNC
and FCU SRAM data is
available, then install the
EXFUNC.
If the EXFUNC backup is not
available, restore the data from
the old FCU before installing
the EXFUNC board on the new
FCU.
5. Connect the flash memory card [A] to
the card slot as shown.
See the note below for the switch
settings.
NOTE: 1) SW1 below the card slot must be OFF.
2) If the switch setting is wrong, the fax function will not start up.
6. Turn on the machine, and enter the fax service mode.
A250
[A]
SW1
6-4
17 May, 1999
A891R506.WMF
SM