A professional who operates special typewriter that perforates tape or paper for subsequent automatic reproduction of data, such as letters, reports, and other material from master copy. Responsibilities include:

• Pastes gummed paper over holes to correct errors.
• May file perforated rolls.
• May operate automatic typewriter that reproduces material from perforated tape or paper and be designated Typewriter Operator, Automatic.
• Important variations are kinds (trade names) of machines used.