Job Description:

• 1) Sets up and operates photostat machine to duplicate printed material, such as manuscripts: Places roll of sensitized paper in machine.

• 2) Measures length and width of material to be copied, using rule.

• 3) Computes percentage of enlargement or reproduction necessary, using chart or percentage scale.

• 4) Mounts material on easel beneath lens, turns on light, and moves controls to focus lens on material.

• 5) Estimates exposure time, according to size of lens aperture, grade of sensitized paper, and intensity of light.

• 6) Places filter over lens to make color separation when copying color work.

• 7) Sets automatic timer and starts exposure.

• 8) Rolls exposed section of sensitized paper into developer tank inside machine and presses lever to cut section from roll.

• 9) Turns crank to transfer print to pan of hypo attached to machine.

• 10) Examines print for sharpness of line.

• 11) Rinses developed print in water and places print in heated drying cabinet, between blotters, or on heated cylinders of roll-dryer.

• 12) Trims excess margin from dried print, using cutting blade.