A professional who makes ready and operates cylinder-type printing press. Responsibilities include:

• Verifies size, color, and type of paper and color of ink from job order.
• Cleans inking rollers with solvent and replaces them in press, using handtools.
• Adjusts controls to regulate volume of ink.
• Packs impression cylinder with tissue or folio.
• Adjusts delivery tapes, and positions and locks form (type setup or plate) on bed or cylinder of press.
• Directs cylinder-press feeder in adjustment of feed guides, grippers, and elevator, or hand-feeding press.
• Starts press and runs off proofsheet.
• Examines proof to determine off-level areas, variation in ink volume, register slippage, indications of offsetting, and color register.
• Adjusts press controls, inking fountains, and automatic feeders, and repacks cylinder with overlay to equalize off-level areas as required.
• May register forms and mix colors.
• May make overlay for half-tone shades.
• May operate cylinder press equipped with cutting attachment or may replace type dies with cutting dies to cut or shape paper or paperboard.
• May operate more than one press.
• May be designated according to kind of material printed as check imprinter; envelope-press operator i; label-press operator i; size of press as pony-cylinder-press operator.
• Important variations may be indicated by trade names of machine used.