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Fax machines send and receive information using a telephone line. Digital fax transmission and reception, using a scanner and printer connected by modem to the public switched telephone network. Diagram of a computer laser printer showing the printing process: a laser beam creates an image on a rotating drum, attracting toner particles, which are then transferred and fused onto paper as it moves through rollers. Key components and steps are labeled. The telephotography machine, an early analog fax machine introduced in 1924. The digital Group 3 fax machine, introduced in 1980.
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Fax machines send and receive information using a telephone line.
Thinkstock/Jupiterimages
Digital fax transmission and reception, using a scanner and printer connected by...
Encyclopædia Britannica, Inc.
Laser printer
Such printers use beams of light to etch patterns onto a cylindrical drum, which...
Encyclopædia Britannica, Inc.
The telephotography machine, an early analog fax machine introduced in 1924.
Courtesy of AT&T Bell Laboratories/AT&T Archives
The digital Group 3 fax machine, introduced in 1980.
© Jon Feingersh/The Stock Market
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