week 5

Question 1

What are the methods of calibration?

Answer 1

Density/ 50% dot gain, TVI (total value increase), Gray balances

Question 2

What are on press variables to adjust during calibration?

Answer 2

Ink film thickness, ink trapping, squeeze

Question 3

What are prepress variables to adjust during calibration?

Answer 3

CtP plate exposure, CtP tone curve adjustment

Question 4

What are the steps for the characterization dataset?

Answer 4

Print a target on a consistent and calibrated press, calibrate to whatever aim values, and measure the target using a spectrophotometer

Question 5

What are the press variables that affect consistency?

Answer 5

Mechanics, paper, ink, prepress