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)
Mark Fax College in 1946. From 1947 to 1972, Fax taught music theory at Howard University and served as director of the School of Music. Later, Fax became Acting Dean of Howard's College of Fine Arts. Concurrently, he served as music director at Washington's famed Asbury Methodist Church. Fax composed works for chorus, symphony, chamber ensemble, voice, piano and organ, in addition to two full-length operas, Christmas Miracle (1958) and 'Til Victory Is Won (1967). In the Washington limelight, he finally received public attention. "Washington Post" critic Paul Hume praised Fax's Sonata for Clarinet and Piano as "striking…difficult…a work of surprising contrapuntal