A professional who assists plastic printer in printing designs on plastic material. Responsibilities include:

• Inserts spindle through roll of plastic material and adjusts collars to center roll on spindle.
• Positions spindle on printing press feedrack and clamps it in place.
• Threads material through press rolls and tapes end to winding roll.
• Places cardboard core on rewind spindle, tapes end of finished plastic roll to core, and moves controls to rewind specified quantity of printed plastic.
• Observes plastic during rewinding and marks or cuts out defective portions.
• Records weight of rolls and amount of plastic on rolls.
• Washes ink rollers and pan in solvent.
• Performs other duties as described under helper master title.