A professional who sets up and operates lithograph press to print descriptive material and designs on tinplate. Responsibilities include:

• Installs printing plates on machine rolls, using handtools and gauges.
• Adjusts feed guides, back and side gauges, and rollers with handtools.
• Mixes colors of paint according to formula and fills paint fountain.
• Starts machine and makes trial run.
• Adjusts or changes gears to regulate rate of feed and turns fountain valves to adjust flow of paint.
• Inspects lithographed plate to ensure that printing is clear and lined-up according to specifications or sample.
• Examines plates during process and removes defective plates.
• Observes heat gauges and regulates controls of drying oven to maintain specified heat.