Fax would hit the market. Xerox continued to refine the fax machine for years after their ground-breaking first machine. In later years it would be combined with copier equipment to create the hybrid machines we have today that copy, scan and fax. Some of the lesser known capabilities of the Xerox fax technologies included their Ethernet enabled Fax Services on their 8000 workstations in the early 1980s. Prior to the introduction of the ubiquitous fax machine, one of the first being the Exxon Qwip in the mid-1970s, facsimile machines worked by optical scanning of a document or drawing spinning on a
Junk fax transmitting organization or individual on each page. The process of war dialing to determine what phone numbers reach fax machines was also prohibited by the FCC rules under the TCPA. The TCPA, in particular the junk fax provision, has been challenged in court on First Amendment grounds, but the law has withstood legal challenges. In 2005, the United States Congress passed the Junk Fax Prevention Act of 2005. It amended the TCPA so as to no longer prohibit unsolicited fax advertisements if: and the sender complies with other requirements. In April 2006, the Federal Communications Commission (FCC) implemented changes to