OKI ML3390 01091308*01256402 Benutzerhandbuch

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Appendix F: Index / Glossary
F-9
MByte
1024 bytes are one megabyte.
Memory
See »Main Internal Storage/RAM«.
Menu
By means of the menu you may select most
of the functions of your printer such as paper
format and emulation. The menu is selected
via the operating screen.
Near Letter Quality (NLQ)
This font is available for most 9-pin printers,
but it does not reach the print quality of letter
quality.
OCR (Optical Character Recognition)
The OCR-code consists of exactly defined
characters which can be read by every OCR-
device.
Off-line
In this state the printer no longer receives
data and is on stand-by. In the off-line mode
you can modify the menu setting.
On-line
In this operating state data can be received,
processed, and printed.
Parallel Interface
Connection element to transmit data be-
tween printer and computer. In a parallel in-
terface the eight bits of one byte are transmit-
ted simultaneously via eight data lines. Oth-
er signal lines control the data transmission
(handshake).
Parameter
Most commands require additional variables
which are mainly figures. These parameters
are given either as printable ASCII charac-
ters or as decimal or hexadecimal figures.
Pitch
See »cpi«.
Platen
The platen transports the paper and acts up
as a pad for the stroke of the needles. See also
»dot matrix printer«.
Port
A port is an interface of the computer or
printer to exchange data.
Printer Driver
A printer driver is a kind of »translator« to
convert the text and graphic commands of a
software program into a language under-
standable for the printer.
Print Head
The print head comprises the needles which
strike the ribbon onto the paper. See also
»dot matrix printer«.
Program
The operating system controls the basic func-
tions of the computer such as input, output,
and system administration. Word processors,
spreadsheets or graphic programs can be oper-
ated by means of application programs.
Proportional Font
Each character occupies solely the space of
its actual width. »l« requires less space than
»m«, for instance. By using proportional
fonts documents get a font-like, professional
look. See also »set character spacing«.