1. 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 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

2. The different printing methods are
Printing Processes
The different printing methods are
Gravure
Lithography
Screen
Flexography
Letterpress
Digital

3. 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.

4. Flexography

5. 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

6. Lithographic press will cost in the range of £50,000 cost of gravure press will be in the range of £500,000

7. Screen Printing

8. Screen Printing Machines

9. 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

10. Plates undergo chemical treatment that render the image area of the plate
oleophilic (oil-loving) ink-receptive
hydrophilic (water-loving) ink repellant

14. Letterpress
Potato Printing

15. Very cost effective for short runs.
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

16. Digital Printing