A professional who operates duplicating machine to print typewritten or handwritten matter directly from master copy. Responsibilities include:

• Places master copy on drum of machine and blank paper in feed tray.
• Adjusts machine for speed, size of paper, and flow of process liquid to moistening pad.
• Starts machine that pulls blank sheets across moistening pad and transfers image from master copy onto copy sheet.
• May type or draw diagram to prepare original copy.
• Important variations may be indicated by trade name of machine operated.