Lexmark 1200 - Manual (Page 186)

172 Glossary
display. The liquid crystal display on the printer operator
panel that shows printer menus and messages.
DL. Envelope measuring 110 x 220 mm.
download. To transfer information, such as fonts, from a
diskette or other device to your computer or printer for
temporary or permanent storage.
dpi. Dots per inch. See resolution.
DRAM. See dynamic random access memory.
drawer. See optional drawer.
driver. See printer driver.
drum. The electrically charged surface within the
photoconductor inside your printer. Light from the LEDs
exposes the photosensitive material on the drum, creating
a likeness of the page.
DSR. See Data Set Ready.
DTR. See Data Terminal Ready.
dynamic random access memory (DRAM). Memory that
allows rapid storage and retrieval of data. DRAM contents
are erased when electrical power is turned off.
E
EDO memory. Extended Data Out memory. A memory
chip technology that improves memory performance 10 to
15% over standard memory.
emulation. Imitation of a printer processing language; for
example, PCL 5 emulation imitates the printer language
used with the Hewlett-Packard LaserJet printer.
Ethernet. A network with a bus topology that utilizes
carrier sense multiple access with collision detection
(CSMA/CD). An Ethernet network may be installed using
any of three cabling systems:
• Ethernet 10Base2 (using RG-58 coax)