A professional who tends machine that tapes edges of corrugated paperboard box blanks to form boxes. Responsibilities include:

• Mounts roll of gummed tape onto machine and threads tape through feed and moisture applicator rollers and under cutoff knife.
• Turns petcock to start flow of water to applicator tray.
• Positions and secures cutoff knife micro-switch, according to box dimensions, using handtools.
• Starts machine, folds blank along scored lines, and feeds folded blank into machine that tapes edges to form box.
• Observes machine operation to detect malfunction and inspects completed boxes to verify tape application according to specifications.
• Adjusts tape guides, water flow, or cutoff knife to correct faulty tape application.