Canon Color Bubble Jet BJC-4400 Series, Service Reference Manual

Page: 251 / 274

Glossary G-3
lpi
Lines per inch. The measurement used in describing the number of lines
that will print within one vertical inch. Most printing is done in 6 or 8 lpi.
Manual feed
A method of feeding paper to the printer one sheet at a time.
Noise level
See dB(A).
Page orientation
Refers to the direction of print on the page. Printing across the width of
a page is called portrait orientation. Printing across the length of a page
is called landscape orientation.
Paper thickness lever
The green lever located inside the printer, which you adjust as necessary
to accommodate different BJ Cartridges, paper thicknesses, and graphics
densities.
Parallel interface
An interface that transmits multiple bits simultaneously (usually in one-
byte segments). Your printer has a built-in, Centronics-type parallel
interface with bidirectional capability. See also Interface.
Pitch
Refers to the number of characters per inch that can be composed using
a fixed space font.
Platen
Printer component that holds the paper in position during ink transfer.
Point size
Character height is defined in points; one point is 1/72 inch. For
instance, this text is printed using a 10-point font.
Portrait orientation
Refers to printing across the width of the page (letter style). This is the
opposite of landscape orientation, which is printing across the length of
the page.
Print head
The printing mechanism that contains print nozzles and ejects the ink
for printing.
Print head capping
An automatic protection function that prevents the print head unit and
ink cartridges from drying out or becoming clogged with dust.
Glossary