Formax FD 372 Operator's Manual page 25

Press and hold the Clear/Reset key, release
immediately when the alarm rings once.
The lamp for the fold key will stop blinking when the
memory has been cancelled.
Note:
To return to the factory setting turn the machine "on"
and "off", select a different fold type or press that key
again.
(C)Cancellation of total storage
Canceling all the stored keys
Note: If the memory is cancelled, the standard type of fold set by the manufacture
can be performed.
Press and hold the Clear/Reset key, release
immediately when the alarm rings twice.
The lamps for the fold keys will go out when the
memory has been cancelled.
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