fundamentals of printing four or five colour printing process used to reproduce photos or artwork...
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Fundamentals of PrintingFour 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 graphics reproduction 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
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Printing ProcessesThe different printing methods are
Gravure
Lithography
Screen
Flexography
Letterpress
Digital
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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.
Flexography
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Flexography
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GravureGravure 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
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Lithographic press will cost in the range of £50,000 cost of gravure press will be in the range of
£500,000
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Screen Printing
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Screen Printing Machines
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Offset LithographicWell 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
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Plates undergo chemical treatment that render the image area of the plate
oleophilic (oil-loving) ink-receptive
hydrophilic (water-loving) ink repellant
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Letterpress
Potato Printing
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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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Digital Printing