How do they match: Prepress Technicians and Workers

  • Copper Etcher
  • Copper Plate Lithographer
  • Paste Up Copy Camera Operator

  • Activate scanners to produce positive or negative films for the black-and-white, cyan, yellow, and magenta separations from each original copy.
  • Perform tests to determine lengths of exposures, by exposing plates, scanning line copy, and comparing exposures to tone range scales.
  • Scale copy for reductions and enlargements, using proportion wheels.