A professional who feeds precut paperboard blanks or sheets into machine that prints, scores, perforates, and slots them for forming into boxes. Responsibilities include:

• Loads precut blanks into automatic machine feeder, or positions stacks of paperboard sheets against guides on feed table and inserts each sheet into machine feed rollers.
• Adjusts scoring, perforating, and slotting disks or knives in machine as directed by printer-slotter operator, using wrench and tape measure.
• Fills ink reservoirs with ink of specified color.
• May off bear machine and stack processed blanks or sheets for further processing.
• May assist operator of machine equipped with gluing and folding attachment and be designated flexo-folder-gluer-machine helper.