Duties and Responsibilities: Operates sheet fed offset printing press to print single multi color copy from lithographic plates. Examines job order to define quantity to be printed, stock specifications, colors plus special printing instructions. Measures plate thickness and inserts packing sheets on plate cylinder to build up plate to printing height as well as installs lock plate into position, using hand tools to achieve pressure required for printing. Washes plate to remove protective gum coating. Measure paper thickness as well adjust space between blanket impression cylinders according to thickness of paper stock. Fills ink as well as dampening solution fountains plus adjusts controls to regulate flow of ink dampening solution to plate cylinder. Starts press, examines printed copy for ink density, position on paper and also registration. makes adjustments to press throughout production run to maintain specific color density. Removes as well as cleans plate cylinders. May apply packing sheets to blanket cylinder to build up blanket thickness to diameter of plate cylinder. May load paper into feeder or install rolls of paper, make adjustments to feeder delivery mechanisms and also unload printed material from delivery mechanism.