Ricoh A250 Service Manual page 548

Then, restore the SRAM using the following procedure.
4. Turn off the machine.
5. Connect the data copy tool [A] with the
old FCU [B] to the card slot as shown.
See the note below for the switch
settings.
IMPORTANT: Support the old FCU
by hand from now until the end of the
download procedure
NOTE: 1) The switch on the data copy tool must be OFF.
2) SW1 below the card slot must be OFF.
3) Do not turn off the battery switch on the old FCU.
6. Turn on the machine, and enter the fax service mode.
7. Press then
8. Press .
If the switch settings are correct, the
message on the right appears.
Then go to the next step.
If one of the switch settings is wrong, or if
the tool is not connected correctly, the
message on the right appears. Then turn off
the machine and retry the procedure.
9. Press "#" then
If data has been restored successfully, the
message on the right appears.
SM
[B]
.
.
6-3
FCU
[A]
SW1
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A250