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Printing Processes

Letterpress - Intaglio - Screen Print - Lithography - Digital
by

Hank Postma

on 7 September 2012

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Transcript of Printing Processes


Economical
Shorter Setup Time


Not as durable as letterpress or gravue
Not as fast setup as digital Printing
Processes Mechanical Process
Uses sunken image for printing.

Intaglio is a family of printmaking techniques in which the image is sunken into a surface, and the incised line or area holds the ink. Intaglio or Gravure Mechanical Process.

Also known as stencil or silk screen.
Screen printing is a printing technique that uses a woven mesh to support an ink-blocking stencil. The attached stencil forms open areas of mesh that transfer ink or other printable materials which can be pressed through the mesh as a sharp-edged image onto a substrate. Screen Print Chemical Process

Most common printing system.

Lithography uses simple chemical processes to create an image. The nonimage area receives water then repels grease based ink. The image area accepts grease and repels water Lithography Digital Printing Mechanical Process

Relief printing is a traditional printing method in which images are printed from a raised surface. Commonly refered to as letterpress, the image is raised above the surface. Relief
Simplicity
Long Life of plates


Complicated Prepress Process
Cost
Short turn around
Variable data printing


Digital printing has a higher cost per page than more traditional offset printing methods
Gives the printer the option of using a wider range of paper.
Useful for number printing.


Not economical for short runs
• Simplicity
• Easy Process
• More Durable (thicker ink)
• Wide variety of Substrates.


• Slow production time
• Limited fineline and tint printing.
• Long Drying Times Flexography is a form of printing process which utilizes a flexible relief plate. It is essentially a modern version of letterpress. Johannes Gensfleisch zur Laden zum Gutenberg's invention of mechanical movable type printing started the Printing Revolution and is widely regarded as the most important event of the modern period. It played a key role in the development of the Renaissance, Reformation, the Age of Enlightenment and the Scientific Revolution and laid the material basis for the modern knowledge-based economy and the spread of learning to the masses. Lithography was developed as a method of printing from a flat stone surface by Alois Senefelder, a German playwright, in 1796. Using a smooth piece of limestone, he drew an image with a grease-based material. When the stone was moistened, water would only be absorbed by the non image area. Then ink would only attach to the grease based image. Karl Lietsch is considered the inventor of modern gravure printing. With the advent of his grain screen photogravurer etching process, printing continuous tone illustrations became possible. Digital printing refers to methods of printing from an electronic source directly to a variety of media. It usually refers to professional printing where small run jobs from digital sources are printed a laser, inkjet or digital offset printer. Disadvantages Advantages Johannes Gutenberg Disadvantages Advantages Karl Lietsch Disadvantages Advantages Disadvantages Advantages Disadvantages Advantages Flexography Alois Senefelder
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