Black fax to harass large institutions or government departments, to retaliate against the senders of junk faxes, or merely as simple pranks. The basic principle of a black fax can be extended to form a "black fax attack." In this case, one or more sheets are fed halfway through the sender's fax machine and taped end to end, forming an endless loop that cycles through the machine. Not only can solid black be used, but also images which will repeat endlessly on the receiver's machine until its toner runs out. The introduction of computer-based facsimile systems (combined with integrated document imaging solutions)
Elton Fax by Fax included such titles as "West African Vignettes" (1960),"Contemporary Black Leaders" (1970), "Seventeen Black Artists" (1972), "Garvey" (1972, a biography of Marcus Garvey), "Through Black Eyes: Journeys of a Black Artist to East Africa and Russia" (1974), "Black Artists of the New Generation" (1977), and "Hashar" (1980). In addition, Fax illustrated books by children's authors such as Georgene Faulkner and Verna Aardema, and created dust jacket art for various publishers, as well as a literacy pamphlet for the Pan American Union. Fax toured Latin America in 1955, and was a lecturer in East Africa in 1963, both times sponsored