Sharp UX-385 Operation Manual page 66

Blocking Reception of Unwanted Faxes
4
Enter the full number you want to
block (max. of 20 digits).
ABC
1
JKL
GHI
4
PQRS TUV
7
5
Press the START/MEMORY key.
START/MEMORY
6
Return to Step 3 to enter (or clear)
another number, or press STOP to
exit.
Step 3 or
64
DEF
2 3
MNO
6
5
WXYZ
9
8
STOP