HP Latex 2700 User Guide 3 - Page 84
Optimize for print quality and/or gamut, Compensation 1
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Possible risks and compensations ● Risk: Poor curing performance. - Compensation 1: Reduce the ink density by one or two levels for each level that the number of passes is reduced. Example: For most front-lit materials, 6-pass 100% ink > 4-pass 80% ink > 3-pass 60% ink. - Compensation 2: Slightly increase the curing airflow to eliminate minor curing artifacts. - Compensation 3: Increase the curing temperature if you choose not to compensate with the ink density. NOTE: This is feasible only with substrates that do not show thermal deformation defects at higher temperatures. ● Risk: When you reduce the number of passes, especially to 4 or fewer, some artifacts such as grain, bleed, coalescence, and banding may become visible. It is possible to compensate to some extent with the following settings: - Compensation 1: Reduce the ink density as described above. - Compensation 2: Increase the optimizer ink level in 2% steps for each level that the number of passes is reduced. Example: 6-pass 12% optimizer > 4-pass 14% optimizer - Compensation 3: Increase the drying temperature in 5°C steps. Example: 6-pass 50°C > 4-pass 55°C Optimize for print quality and/or gamut If your priority is to obtain the best print quality and/or the widest gamut, try these suggestions. Actions ● Use a six-color ink set. ● Increase the number of passes. ● Increase the ink density. Considerations ● A six-color ink set enables smooth transitions; always use this option for best print quality. ● Use an eight- or ten-pass print mode for best print quality. ● When using a high number of passes, substrates can be saturated above 100% ink (example: 130% frontlit, 200% backlit). Higher ink densities may increase gamut and color saturation, and, in backlit materials, increase opacity of printed areas. NOTE: This is highly substrate-dependent. Optimize for print quality and/or gamut 77