SADFA 3 Printing Technology


Design Production

Initiation of artwork and creation of the form in which it is presented to the printer.

Colour Separation

Principles and techniques of colour separation by hand, photographic and computer methods.

Printing Repeats

Conversion of designs into correct repeats for engraving onto screen. Different types of repeats and drops.


How photographic negatives are produced.

Mesh Size

The mesh sizes used for rotary and flat screens. The importance and influence of mesh size on print definition and clarity.

Screen Construction

The construction and manufacture of rotary and flat screens.

Engraving: Flat Screens

Coating, exposure and washing off of flat screens. The photographic process and its control.

Engraving: Rotary Screens (Photographic method)

Coating, drying, exposure, washing off and polymerising processes. End-ringing.

Engraving: Rotary Screens (Laser Engraving)

Laser engraving technology, operation and an introduction to CAD systems.

Colour Kitchens

Colour kitchen control and management. Strike-off and sampling arrangements.