Class Screening

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Dolev 800/800V/800V² - Brisque Application Issues
Class Screening
Workflow for Application
Proof (analog)

Conventional
Geometric Dot
HDP
FullTone

Conventional

	Exposure time (check on Microline control step)	Vacuum Duration
Positive & Negative	As recommended by themanufacturer	Standard for the used proof method

Geometric Dot

	Exposure Time (check on Microline control wedge)	Vacuum Duration
Positive & Negative	As recommended by themanufacturer	Standard for the used proof method

For Positive working proofs, where the Screen Ruling is higher than 200 lpi (80 l/cm), it may be necessary to decrease exposure by 10-15%.
Above 300 lines/inch (120 lines/cm) see tips for HDP.

HDP

	Exposure Time (check on control wedge)	Vacuum Duration
Negative	As with material exposed at 175-200 lpi (70-80 l/cm). It may be needed to decrease exposure by 10-15% depending on film contrast.	Follow manufacturer instructions.
Positive	Mesh (Screen Ruling) 2 50 (100 l/cm) 10-11 300 (120 l/cm) 10-11 400 (160 l/cm) 6-8 500 (200 l/cm) 6 600 (240 l/cm) 6	Microline Standard X 1.5 approx.

To ensure the color proof is faithful to the printed result, it is recommended to prepare a different set of films for each process. Each set will be modified by a different Output Tone Reproduction LUT, taking into account the difference in dot gain between the processes.
For best color match in proofing for HDP direct digital proofs or press p roofs are recommended.

FullTone

	Exposure Time (check on control step)		Vacuum Duration
Negative	As with material exposed at 175-200 lpi (70-80 l/cm). It may be needed to decrease exposure by 10-15% depending on film contrast.		Follow manufacturer instructions.
	Exposure Resolution (Laser dots/mm)	Microline	Vacuum Duration
Positive	60 80 100 120 140	12+ 8-10 6-8 6 6	Standard X 1.5 approx.

To ensure the color proof is faithful to the printed result, it is recommended to prepare a different set of films for each process. Each set will be modified by a different Output Tone Reproduction LUT, taking into account the difference in dot gain between the processes.
For best color match in proofing for HDP direct digital proofs or press proofs are recommended.

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