Job Description:

• 1) Operates machine to coat unengraved copper rollers or to top engraved copper rollers with acid-resistant varnish preparatory to inscribing design: Mounts roller on mandrel of machine, using electric hoist, and starts machine to rotate roller.

• 2) Cleans roller, using rag or brush, detergents, and water.

• 3) Dries roller, using paper towel or leather squeegee.

• 4) Varnishes roller, using either of following methods: Holds rubber varnishing roller against rotating copper roller and pours varnish between rollers.

• 5) Guides varnishing roller back and forth over length of copper roller to distribute varnish evenly over surface of roller.

• 6) Inserts steam pipe through varnished roller and circulates steam through roller to smooth out pinholes and harden varnish.

• 7) Holds rubber topping roller against rotating steel roller and pours varnish between rollers.

• 8) Moves topping roller back and forth over dummy roller to work varnish into topping roller.

• 9) Transfers topping roller to engraved roller as varnish becomes tacky and guides topping roller back and forth over engraved roller to top roller with varnish, leaving engravings exposed.

• 10) Tops varnish coating with acid-resistant ink.

• 11) Examines engravings on topped roller to detect ink smears or cavities filled with ink.

• 12) Cleans and retops defective roller.

• 13) Trucks varnished or topped rollers to storage area.