Printing Annabel and Lylah Offset Lithography An inked

Printing Annabel and Lylah

Offset Lithography • An inked image transferred from a plate to a rubber blanket cylinder plate, back to paper. • Four ink colour process through series of rollers. (cyan, magenta, yellow and black. ) • Sheets stacked at end of press following print. May be sprayed between sheets to stop ink. • Offset-paper fed in sheets or reels/webs • Transferred on paper via rubber roller from printing plate. • Ideal for high amount of quantities (2000, 100, 000)

Benefits of Offset Lithography • Prints on wide variety of paper. • Ideal for good quality printing e. g. annual reports/ brochures.

Screen Printing • Ink pressed through a screen with rubber squeegee. • One colour at a time, working layers upon layers. • Screens coated with emulsion until it dries in a dark room, exposing to positive image. • Emulsion hardens, the soft remains will be washed away with high pressure hose. • When dry, ink is applied at end of screen and pulled down to other end. • Ink will transfer on other surface.

Benefits of Screen Printing • Very distinctive velvety finish. (Can not be replicated in any other way) • Used on various flat surfaces (paper, cotton, fabrics, wood) • Screen Printers in LA

Gravure • Intaglio process. Image is etched on surface of plate or metal cylinder. • Image consists of tiny cells engraved in it. (up to 22, 500 ink wells per inch) • Cylinder is rotated in fountain of ink. • Excess is removed by thin piece of steel called Doctor Blade. • Paper passed between plate cylinder and rubber impression roller to absorb remaining ink.

Benefits of Gravure • Larger runs of 300, 000 or more copies includes weekly/ monthly. • Targeted for mail order catalogues, specialized packaging, wallpaper and decorative laminated. • Good job for long run jobs.