User`s guide

DOS
An acronym for Disk Operating System, which is a program that instructs
a disk-based micro-computing system to schedule and supervise work,
manage computer resources, and operate and control peripheral devices.
Download
Transfer information from one device to another. Downloaded fonts are
not built into the printer. They are transferred from the computer and
stored in the printer’s memory temporarily. They disappear from the
printer’s memory when the printer is turned off.
dpi
An acronym for dots per inch, which is a measurement unit used to indicate
printer resolution. This printer has a 300 dpi resolution.
DTR/DSR
An acronym for data terminal ready and data signal received, DTR/DSR
is a hardware-controlled protocol. It controls the flow of data via signals
on the DTR line, as opposed to XON/XOFF protocol, which is software
controlled.
Electrophotographic Drum
This is a drum in the EP-L cartridge that is sensitive to both light and
electricity. It is used in the creation and transfer of images to the printed
page. See EP-L cartridge.
Emulation
In this manual, emulation refers to the ability of the printer to respond to
commands that are intended for a different type of printer. For example,
when the printer is set for LaserJet series II emulation, it will respond to
the same commands (HP PCL) that a LaserJet series II printer would.
G-4 Glossary