A professional who sets up and operates machine to slot, score, crease, and trim corrugated or plain paperboard sheets to form container blanks. Responsibilities include:

• Turns screws and moves picker feed bar and feed table guides to accommodate size of sheets.
• Positions slitting, scoring, and slotting dies by sliding dieheads along drive shaft over machine bed to obtain specified size blanks with prescribed depth and location of slots and creases.
• Stacks and aligns sheets against guide bar on feeder table.
• Presses lever to start automatic feed.
• Measures sample with rule to detect deviation in location of slots and creases.