The biggest advantage of the G7 calibration method and HR, SC, HC applied to production control is that it can reproduce more intuitively and more effectively control the neutral and neutral gray than the traditional TVI method. The biggest disadvantage is that the gray balance is applied to the offset press Is a big challenge.
Advantage 6: NPDC and gray balance are outstanding, they can be adjusted independently of each other.
Advantage 7: ICC features can also be used. G7 correction establishes gray ladders with consistent tones. They can expand standardized values ​​or are commonly used equipment files.
Advantage 8: Although it is difficult to control the gray balance on the printing press, applying the gray balance control to the proofing system (characterized by the standard characterization data) can obtain highly reliable proofs and more interchangeable CMYK files , And can make printing easier and more convenient.
Disadvantages
Disadvantage 1: Generally, due to wet overprinting and some other reasons, gray balance is more difficult to control on multi-color machines than on monochromatic machines. But conversely, this is what it means in its entirety-controlling the most unstable metric can only help stabilize the entire process.
Disadvantage 2: If there are few gray areas in a job, then the control of gray balance may not achieve immediate results.
Disadvantage 3: Using a different CMY curve to calibrate an unstable device allows the temporary gray balance error to be resolved, but if this correction is not representative, it may instead cause different gray balances in subsequent operations problem.
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