HP Scitex LX850 HP Scitex LX850 & LX820 Printers: User's Guide - English - Page 110

Glossary, The heat applied in the printing zone removes water and fixes the image to the substrate.

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Glossary Aerosol filter The printheads produce many fine droplets of ink, most of which are placed accurately on the substrate. However, a small proportion of these droplets escape sideways; the two aerosol filters are placed on either side of the printhead carriage to intercept them. Bleeding A print quality defect that occurs when the ink spreads on the substrate across areas of different colors. Carriage beam The beam supporting the printhead carriage as it moves back and forth across the printer. Coalescence A print quality defect that looks like a higher level of whiter grain. Cockle A substrate condition in which it is not lying perfectly flat, but rises and falls slightly in shallow waves. Color accuracy The ability to print colors that match the original image as closely as possible, bearing in mind that all devices have a limited color gamut and may not be physically capable of matching certain colors precisely. Color consistency The ability to print the same colors from a particular print job from print to print and from printer to printer. Color model A system of representing colors by numbers, such as RGB or CMYK. Color space A color model in which each color is represented by a specific set of numbers. Many different color spaces can use the same color model: for instance, monitors generally use the RGB color model, but they have different color spaces, because a particular set of RGB numbers results in different colors on different monitors. Curing Curing is needed to coalesce the latex, creating a polymeric film which acts as a protective layer, while at the same time removing the remaining co-solvents from the print. Curing is vital to ensure the durability of the printed images. Drying The heat applied in the printing zone removes water and fixes the image to the substrate. ESD ElectroStatic Discharge. Static electricity is common in daily life. It is the spark when touching the car door, or the cling of clothing. Although controlled static electricity has some useful applications, uncontrolled electrostatic discharges are one of the main hazards to the electronics products. Therefore, to prevent damage some precautions are needed when setting up the product, or handling ESD sensitive devices. This type of damage may reduce the life expectancy of the device. One way to minimize uncontrolled ESDs, and therefore reduce this type of damage is by touching any exposed grounded part of the product (mainly metal parts) before handling ESD sensitive devices (such as the printheads or ink cartridges). Additionally, to reduce the generation of electrostatic 106 Glossary ENWW

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Glossary
Aerosol filter
The printheads produce many fine droplets of ink, most of which are placed accurately on the substrate. However,
a small proportion of these droplets escape sideways; the two aerosol filters are placed on either side of the
printhead carriage to intercept them.
Bleeding
A print quality defect that occurs when the ink spreads on the substrate across areas of different colors.
Carriage beam
The beam supporting the printhead carriage as it moves back and forth across the printer.
Coalescence
A print quality defect that looks like a higher level of whiter grain.
Cockle
A substrate condition in which it is not lying perfectly flat, but rises and falls slightly in shallow waves.
Color accuracy
The ability to print colors that match the original image as closely as possible, bearing in mind that all devices
have a limited color gamut and may not be physically capable of matching certain colors precisely.
Color consistency
The ability to print the same colors from a particular print job from print to print and from printer to printer.
Color model
A system of representing colors by numbers, such as RGB or CMYK.
Color space
A color model in which each color is represented by a specific set of numbers. Many different color spaces can
use the same color model: for instance, monitors generally use the RGB color model, but they have different color
spaces, because a particular set of RGB numbers results in different colors on different monitors.
Curing
Curing is needed to coalesce the latex, creating a polymeric film which acts as a protective layer, while at the
same time removing the remaining co-solvents from the print. Curing is vital to ensure the durability of the printed
images.
Drying
The heat applied in the printing zone removes water and fixes the image to the substrate.
ESD
ElectroStatic Discharge. Static electricity is common in daily life. It is the spark when touching the car door, or the
cling of clothing. Although controlled static electricity has some useful applications, uncontrolled electrostatic
discharges are one of the main hazards to the electronics products. Therefore, to prevent damage some
precautions are needed when setting up the product, or handling ESD sensitive devices. This type of damage may
reduce the life expectancy of the device. One way to minimize uncontrolled ESDs, and therefore reduce this type
of damage is by touching any exposed grounded part of the product (mainly metal parts) before handling ESD
sensitive devices (such as the printheads or ink cartridges). Additionally, to reduce the generation of electrostatic
106
Glossary
ENWW