Epson Stylus Color 850 User Manual page 247

spool
The process by which the printer driver converts the print data into codes that your
printer understands. This data is then sent to the printer directly or to the print
server.
spool manager
A software program that converts print data into codes that your printer
understands. See also spool.
status monitor(2)
A software program that allows you to check the printer's status, such as the
amount of ink remaining before printing.
subtractive colors
Colors produced by pigments that absorb some colors of light and reflect others.
See also CMYK.
unidirectional printing
Printing in which the print head prints in one direction only. Unidirectional
printing is useful for printing graphics because it allows more precise vertical
alignment than bidirectional printing.
user-defined characters
Characters that are defined and stored in the printer by the user. Also called
downloaded characters.
WYSIWIG
What-you-see-is-what-you-get. This term is used to describe printout that looks
exactly like it appears on screen.
6
Glossary