ZX Printer

Relief or Letterpress Printing

Posted on 03-17-2014 by Admin

When ink is applied to a raised surface and paper is pressed against the inked surface, the ink is transferred to paper, Figure 1-18. Relief and letterpress are terms that describe printing methods that use this principle. The rubber stamp is device that prints by the relief or letterpress method. It transfers ink from a raised surface to paper. Typewriter elements, also print in this way.
Relief or letterpress printing. The lowered surface does not print because it doesn't with the ink or the paper

Foundry type, Monotype, Linotype, and Ludlow are used by the letterpress printer to transfer letters and numbers to paper, Figure 1-9. The plates of wood cut, wood engraving, linoleum block, and photoengraving can also be used in letterpress printing. Their raised surfaces can print photographs and illustrations as well as letters and numbers.
Linotype, Foundry type, Monotype, and Ludlow slugs.

Relief or letterpress printing is the oldest printing method. Today a wide variety of letterpress plates are used on several types of presses to print a rich and varied assortment of products including newspapers, books, and magazines.

IMAGE REVERSAL. As you can see, the principle of printing from a raised surface is not difficult to understand. There is one problem to consider, however. Look at Figure 1-8 again. Not that the shape of the raised surface that printed the letter P on the paper is "wrong reading" or backwards. The surface was purposely prepared this way so that it would print a "right reading" image on the paper.

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