Sharp UX-B20 - Manual (Page 70)

Blocking Reception of Unwanted Faxes
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1
Press once and twice.
2
Press once and twice.
3
Press once.
4
Press to store an Anti Junk number, or to clear a previously
stored number (if you are clearing a number, go to Step 6).
5
Enter the fax number by pressing the number keys (max. 20 digits).
6
Press and then press to return to the date and time display.
START/
MEMORY
Blocking Reception of Unwanted Faxes
The Anti Junk Fax function allows you to block reception of faxes from a party
that you specify. This saves paper by not printing out unwanted "junk" faxes.
To use this function, follow the steps below to enter the fax number from which
you do not wish to receive faxes. One fax number can be entered.
Display:
ENTRY MODE
ANTI JUNK #
1=SET, 2=CLEAR