Canon BJC-55 Series User Manual page 168

dB
Stands for decibel level (a decibel being a unit of measurement for the
intensity of the sound), adjusted for background noise.
default setting
A printer setting selected at the factory and permanently registered in
the printer's ROM. It is a setting that the printer assumes unless you
provide instruction to the contrary. For example, the default printer
control mode on this printer is BJ mode.
dithering
A method by which colour dots are combined on a page to produce a
wide spectrum of colours.
dot matrix
A pattern of dots arranged in a matrix, used for creating alphanumeric
strings, punctuation, and special characters. A matrix is described by the
number of rows and columns it has, for example, 9 x 12 (108 cells).
download buffer
An area of the printer's memory that holds downloaded font
information.
downloading
The process of transferring fonts from the computer to the printer's
memory. These transferred fonts can be stored in the printer until it is
turned off.
dpi (dots per inch)
A unit of measurement for indicating printer resolution. The standard
resolution for your printer is 360 dpi in the HQ mode. In the smoothing
mode, resolution up to 720 x 360 dpi can be achieved.
factory default
Factory defaults refer to the settings that are selected for the printer at
the factory. These settings are used unless you override them by sending
escape sequences.
fixed pitch spacing
Equal spacing for each characters of the same character set. In printing
a fixed pitch font, each character, whether narrow or wide, takes up the
same amount of space.
fixed pitch font
A font in which all characters take up the same amount of space. An "i"
takes as much space as a "w".
166 Glossary