QMS 1060, User Manual

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Daughterboard
QMS 1060 Print System Reference G-4
Daughterboard
A printed circuit board that attaches to another circuit board (often the main
system board, or motherboard) to provide additional functionality or perfor-
mance.
Default
A printer control panel setting used in the absence of an application
selection. See also
factory default.
Download
Transfer information from one device to another.
dpi
Dots Per Inch, a measurement unit used to indicate printer resolution.
Driver
See printer driver .
Drum
The rotating cylinder in a laser printer that transfers the image to the page
as it passes through the printer.
DTR/DSR
Data Terminal Ready/Data Set Ready. 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.
DTR/DSR
An acronym for data terminal ready and data signal received, a hardware-
controlled protocol. It controls the flow of data via signals on the DTR/DSR
line, as opposed to XON/XOFF protocol, which is software controlled.
Emulation
The ability of the printer to respond correctly to commands that are intended
for a different type of printer. For example, when the printer is set for HP
PCL emulation, it responds to the same commands (HP PCL) that a
Hewlett-Packard LaserJet printer does. See also
emulation card .