Essentially, a fax machine scans original documents, converts the scanned images into electrical signals, and transmits them over telephone lines to a receiving fax machine. The receiving fax machine in turn converts the received signals back into the graphical images of the original document and prints them. The basic Group 3 fax machine operations for transmitting a page are presented in Fig. 44.4.
Fig. 44.3 A fax machine is basically a scanner-copier machine that sends and receives graphic images over telephone lines.
Fig. 44.4 Basic fax machine operations
The handshake process : The sending and ...