How to determine the ink limitVisual checking is used to determine the ink limit.
The following status of ink could become the cause for not being able to measure the color of the chart in the next steps.a.The media is not dried even after several minutes. (This state depends on the creation environment.)b.The ink is not dried evenly. (When a small rectangle is output with highly concentrated ink, the ink moves toward the outside and the density cannot be made evenly.)c.Thin white lines cannot be expressed. d.A horizontally chained striped pattern like a necklace appears. e.Waved media result. The media are swollen.f.When output with UV-curable ink, the reflection of the light differs greatly if looked at different angles.g.The gradation is lost in highly concentrated areas.For high density printing, thin lines may not be expressed, or bleeding of some degree may be resulted because such printing requires an ink value of more than usual.The Ink limit value may differ depending on the creation environment (place, season, weather, temperature, humidity, etc.) because printing is affected by the temperature and the humidity.Even when the Ink limit value is appropriate, the printed image may sometimes have a problem in its looking if variable dots printing is used. The variable dots spray the dots of 3 sizes (Small, Middle and Large) and make the gradation smooth. However, in the case of some media, the dot size is insufficient to fill the distance between the dots in the highlighted portion to the middle tone portion where the small dots are used and the surface cannot be fully filled with the dots. In this case, "streaky tone" or "roughness" is felt by human eyes and may not turn out to be a desired image. Possible measures are as follows: a.Adjusting the ink value after the Device Profile has been created.b.Making the density of the linearization curve a little higher.Device Profiles can be created with evenly allocated ink value, however, a better Device Profile can be created by setting each ink value with the secondary color and the tertiary color (gray balance and the like) considered
How to determine the ink limitVisual checking is used to determine the ink limit.
The following status of ink could become the cause for not being able to measure the color of the chart in the next steps.a.The media is not dried even after several minutes. (This state depends on the creation environment.)b.The ink is not dried evenly. (When a small rectangle is output with highly concentrated ink, the ink moves toward the outside and the density cannot be made evenly.)c.Thin white lines cannot be expressed. d.A horizontally chained striped pattern like a necklace appears. e.Waved media result. The media are swollen.f.When output with UV-curable ink, the reflection of the light differs greatly if looked at different angles.g.The gradation is lost in highly concentrated areas.For high density printing, thin lines may not be expressed, or bleeding of some degree may be resulted because such printing requires an ink value of more than usual.The Ink limit value may differ depending on the creation environment (place, season, weather, temperature, humidity, etc.) because printing is affected by the temperature and the humidity.Even when the Ink limit value is appropriate, the printed image may sometimes have a problem in its looking if variable dots printing is used. The variable dots spray the dots of 3 sizes (Small, Middle and Large) and make the gradation smooth. However, in the case of some media, the dot size is insufficient to fill the distance between the dots in the highlighted portion to the middle tone portion where the small dots are used and the surface cannot be fully filled with the dots. In this case, "streaky tone" or "roughness" is felt by human eyes and may not turn out to be a desired image. Possible measures are as follows: a.Adjusting the ink value after the Device Profile has been created.b.Making the density of the linearization curve a little higher.Device Profiles can be created with evenly allocated ink value, however, a better Device Profile can be created by setting each ink value with the secondary color and the tertiary color (gray balance and the like) considered
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