Black fax - Wikipedia
Black fax - Wikipedia
en.wikipedia.org
Black fax - Wikipedia
A black fax is a prank fax transmission consisting of one or more pages entirely filled with a uniform black tone.
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Black fax - Wikipedia
Black fax - Wikipedia
A black fax is a prank fax transmission consisting of one or more pages entirely filled with a uniform black tone.
And it was a cheap prank, too. You sent one line of black, and then the Repeat Last Line command until the other side hung up.