Final answer:
The company referred to is Xerox, which was led by Ursula Burns, the first black woman CEO of a Fortune 500 company; its brand name is synonymous with photocopying.
Step-by-step explanation:
The company that was once led by a black CEO and had its name used as a synonym for photocopies is Xerox. The CEO in question was Ursula Burns, who served as the CEO from 2009 to 2016, and was the first black woman CEO to lead a Fortune 500 company.
The term 'xerox' has been widely used to refer to the act of photocopying, demonstrating the impact and market dominance of the Xerox Corporation in the field of document reproduction and imaging technology.