A professional who mounts rubber plates (dies) on fiberboard or plastic mats, according to printing order specifications, for use in printing-slotting machines. Responsibilities include:

• Lays out and draws outline of box or container on mat, according to specifications, using tape measure and marking pencil.
• Positions and aligns rubber plates on fiberboard mat, according to markings.
• Fastens plate on mat, using glue and staple gun.
• Examines initial run of printed box or container for printing defects, such as overlap and uneven color distribution.
• Cleans used plates with ink solvent and airhose, and files plates according to printing order number.
• May requisition new plates.