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Fundamentals of Printing. Four or Five Colour Printing Process Used to reproduce Photos or Artwork Your colour printer will possible have three colour cartridges and maybe five depending on the cost of the printer

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fundamentals of printing
Fundamentals of Printing

Four or Five Colour Printing Process

Used to reproduce Photos or Artwork

Your colour printer will possible have three colour cartridges and maybe five depending on the cost of the printer

Single colour graphicsreproduction does not need the four colour process and can be produced using a specialist ink.

Extra rollers can be added but best avioded because of the cost

printing processes

Printing Processes

The different printing methods are

Gravure

Lithography

Screen

Flexography

Letterpress

Digital

slide3
Flexography

Flexographic presses are capable of producing good quality impressions on many different materials

The least expensive and simplest of the printing processes used for decorating and packaging printing.

  • relatively simple operation
  • easily adapted to the use of water-based inks.
gravure
Gravure

Gravure printing is used for long run, high quality printing producing a sharp, fine image.

  • Food packaging
  • Wall paper
  • Wrapping paper
  • Furniture laminates
  • Paneling 
  • Greeting cards
  • Magazines
slide6
Lithographic press will cost in the range of £50,000 cost of gravure press will be in the range of £500,000
offset lithographic
Offset Lithographic

Well suited for printing both text and illustrations in short to medium length runs of up to 1,000,000 impressions.

General commercial printing

Newspapers Books

Business Forms

Financial and Legal Documents

slide10
Plates undergo chemical treatment that render the image area of the plate

oleophilic (oil-loving) ink-receptive

hydrophilic (water-loving) ink repellant

letterpress
Letterpress

Potato Printing

digital printing
Digital Printing

Recent development

Work directly from electronic data and avoid the intermediate stage of films.

Very cost effective for short runs.

The quality is not yet up to lithography standards but is improving steadily and is adequate for many purposes

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