A professional who tends machines that mix ingredients, such as pigments, resins, varnishes, solvents, and oils to produce ink or ink paste. Respnsibilities include:

• Reads specifications to determine type and quantity of ingredients to be mixed.
• Starts pumps to transport preweighed liquid ingredients from storage tanks into containers.
• Weighs specified amounts of pigments and adds them to containers.
• Dumps contents of containers into rotary mixer, using hoist, or moves container onto bed of mixer and turns wheel that lowers mixing blades into containers.
• Starts motor to mix ingredients for predetermined time.
• Draws sample or scoops sample of solution for laboratory analysis.
• Adds ingredients as directed by laboratory, or extends mixing period to attain prescribed consistency.
• Scoops or pumps ink or ink paste to holding tanks or into containers.
• May heat solvents in kettle or with steam coil to remove chill before adding pigments.