A professional who develops formulas for paper-coloring dye and prepares directions for mixing dye with pulp to produce colored paper to specifications or customer's sample. Respnsibilities include:

• Determines composition of color sample, using spectrophotometer.
• Mixes pulp with water, size, filler, and other ingredients to make sample furnish of type and quality of paper specified.
• Weighs and mixes pigments to prepare dye, and mixes dye with furnish.
• Pours furnish on screen to make handsheet sample.
• Compares color of handsheet with color sample, visually or with spectrophotometer.
• Calculates weights and proportions of pigments and other materials required to make production batch of dye and prepares formulas and mixing directions for coating-mixer tender.
• Prepares directions for beater engineer for mixing dye with furnish.
• Prepares spectrophotometer charts on dye materials.
• Observes procedures of production staff in mixing dye with furnish and reviews laboratory reports to investigate causes of substandard colored paper.
• Consults with and advises production staff regarding technical problems in mixing colors and making colored paper to improve formulas and improve production methods.