Graphic Design & Printing Technology
Colourimeter: It is a colour mesaurement device that measures and compares
the hue, purity and brightness of colours in a way that models vision.
Spectrodensitometer:- It is a colour mesaurement device that serves all the
functions of spectrophotometer, densitometer and colourimeter in a single
instrument. This single instrument measures colour values and optical density.
Magnifying glass:Magnifying glass or linen tester is used to view dots of any
size. They are also used to check whether the register marks are aligned
accurately in positions.
Colour viewer: A colour viewer is used to check halftone dot size and paper
texture.
Practical Assessment
- Identify different paper problems, printing problems, blanket problems
and ink problem and provide the solutions for each. - Press manitenance and clean up procedure.
- Handling of different quality control devices.
Assessment Activities/ Seminar - Different quality control devices and its applications.
TE Questions
- A problem called ____ occurs when a printed sheet picks
up an image on its reverse side from the sheet below it in the delivery
pile. - List out any two printing and blanket problems and its remedies.
- Why is static electricity a problem in the press room? How can it be
reduced or eliminated? - Whatare the different quality control devices used in a printing press?