A professional who operates machine to print and slot container blanks, according to work orders. Responsibilities include:

• Selects, installs, and adjusts slotting and perforating knives in machine according to specified dimensions of slot and spacing of perforations, assisted by printer-slotter helper.
• Positions and attaches printing mats to print rollers according to printing order, using hand or air staple gun, wrenches, and tape measure.
• Fills ink reservoirs with specified colors of ink and turns thumbscrews to adjust flow of ink through fountains.
• Turns handwheels and pushes buttons or levers to adjust paper guides on machine feed table and automatic stacker, using handtools, and starts machine.
• Measures printed-slotted blanks to verify machine setup.
• Examines printed-slotted blanks for even ink distribution, trueness of color, printing flaws, and wrinkles.
• May operate machine equipped with gluing and folding attachment and be designated flexo-folder-gluer operator.