Job Description:

• 1) Tends equipment to transfer design images from master film to copper printing rollers: Marks register points on ends of rollers, using straightedge and scriber.

• 2) Inserts mandrel through roller and lifts roller onto brackets of sensitizing machine, using hoist.

• 3) Starts machine that rotates roller.

• 4) Turns valve to spray roller with water and cleans coated roller, using cloth, cleaning solution, and pumice.

• 5) Dries rollers, using paper towel.

• 6) Fills spray gun with sensitizing solution and turns valve to spray solution onto rotating roller.

• 7) Transfers sensitized roller to copy machine, using electric hoist.

• 8) Positions master film over roller and aligns register points on film with register points on roller.

• 9) Covers master film with sheet of transparent film and engages ends of transparent film in machine drive.

• 10) Tapes master film to transparent film, using masking tape.

• 11) Lifts ultraviolet light frame into position over roller and starts machine that rotates sensitized roller and film, exposing sensitized roller to images on film.

• 12) Transfers exposed roller to developing bath, using electric hoist.

• 13) Turns roller in developing solution for specified time to dissolve sensitized coating from areas of roller that were exposed to light through film.

• 14) Transfers developed roller to dye bath and turns roller in bath to dye unexposed area of roller.

• 15) Transfers dyed roller to wash vat and rinses excess dye from roller.

• 16) Dries roller, using cloth.