G7 Proofing & Contract Proofing

Question 1

What is the primary purpose of a contract proof in the G7 workflow?

Accepted Answer

To serve as a binding color reference for production approval

Answer

To calibrate the inkjet proof printer

Answer

To generate ICC characterization data for the press

Answer

To measure the substrate's optical brightener content

Question 2

Which international standard defines tolerances for proofing processes working directly from digital data?

Accepted Answer

ISO 12647-7

Answer

ISO 12647-2

Answer

ISO 3664

Answer

CGATS.17

Question 3

In G7 soft proofing, what is the most critical requirement for accurate color simulation on a display?

Accepted Answer

A calibrated, profiled display with the correct ICC rendering intent applied

Answer

A high-resolution monitor with maximum screen brightness

Answer

A CRT monitor with a wide color gamut

Answer

A display with UV filtering for metamerism correction

Question 4

Which color difference formula is preferred when evaluating G7 proof accuracy against a reference?

Accepted Answer

ΔE00 (CIEDE2000)

Answer

ΔE*ab (CIE76)

Answer

ΔE94

Answer

CMC(1:1)

Question 5

What type of measurement device is required to verify the colorimetric accuracy of a contract proof?

Accepted Answer

Spectrophotometer

Answer

Reflection densitometer

Answer

Colorimeter only

Answer

Photometer

Question 6

Which rendering intent is most commonly used when soft proofing a CMYK press profile on a wide-gamut display?

Accepted Answer

Relative Colorimetric with black point compensation

Answer

Absolute Colorimetric

Answer

Perceptual

Answer

Saturation

Question 7

A G7 verification print is produced primarily to confirm that:

Accepted Answer

The proofing device meets G7 gray balance and tone response tolerances

Answer

The final job is approved for shipping to the client

Answer

The press operator has signed off on color appearance

Answer

The substrate matches the original purchase specification