Classification By Printing Ink Type

(1) Single-colour printing press
Single-colour printing press: A printing press that prints one colour of ink on one side of a paper during a printing process.
(2) Two-colour printing press
Two-colour printing press: A printing press that prints two colours of ink on one side of a paper during a printing process.
(3) Multi-colour printing press
Multi-colour printing press: A printing press that prints two or more colours of ink on one side of a paper during a printing process.
(4) Perfecting press: A printing press that prints on both sides of a paper during a printing process.
(5) Double-sided multi-colour printing press: A double-sided multi-colour perfecting press: A double-sided printing press that prints two or more colours of ink on at least one side of a paper during a printing process.