Ricoh A250 Service Manual page 456

EXFUNC BOARD (FAX FUNCTION UPGRADE)
3.2 EXFUNC BOARD (FAX FUNCTION UPGRADE)
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CAUTION
Before installing this option, do the following:
1. Print out all messages stored in the memory, the lists of user-
programmed items, and the system parameter list.
2. If there is a printer option in the machine, print out all data in the printer
buffer.
3. Turn off the main switch and disconnect the power cord, the telephone
line, and the LAN cable.
NOTE: 1) If a printer unit was installed, remove it before installing the EXFUNC
board.
2) After installing or removing the EXFUNC board, the following message
will appear: 'Adding FAX Feature Expander causes data loss. Turn Main
Power Switch off and remove it to avoid loss. To continue, press yes.' If
the customer does not wish to lose the data stored in the machine so far
(such as Speed Dials), do the following:
a) Do not press Yes. Switch off and take out the EXFUNC card.
b) Copy the SRAM settings to a flash card (see Removal and
Adjustment – SRAM Data Backup and Restore).
c) Put the EXFUNC card back in and switch on the machine.
d) When the message appears again, press Yes.
e) Restore the SRAM settings from the flash card.
[A]
[B]
3-10
[D]
[C]
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