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v Power Paper Stacker:
Mechanically directs the paper from the printer to the paper stacking area. This
feature provides consistent paper handling with fewer paper jam errors.
v Input Paper Shelf:
Pedestal model only. Provides a shelf to hold a box of paper or forms. This is a
convenient feature if you need to move the printer often.
v Pull Out Tray:
Cabinet model only. A tent tray to hold printed papers or forms that you can
pull out for accessibility.
v Wireless:
An embedded wireless Ethernet Interface card that allows you to attach printers
on a local area network (LAN) rather than attaching them directly to a host
system.
Protocols and Emulations
A protocol is a set of rules governing the exchange of information between the
printer and its host computer. These rules consist of codes that manipulate and
print data and allow for machine-to-machine communication. A printer and its
host computer must use the same protocol. As used in this manual, protocol and
emulation mean the same thing.
Most impact printers are single ASCII character codes to print text, numbers, and
punctuation marks. Some characters, both singularly and in groups are defined as
control codes. Control codes instruct the printer to perform specific functions, such
as underlining text, print subscripts, setting page margins, etc. The main difference
between most printer protocols is in the characters used to create control codes and
the ways in which these characters are formatted.
When the printer executes the character and control codes of a particular printer
protocol, it is "emulating" that printer. If the printer uses the Proprinter III XL
protocol, for example, it is emulating an IBM Proprinter III XL printer. If the
printer is using the Epson FX printer protocol, for example, we can also say it is in
Epson FX emulation mode.
There are additional emulations that are provided as optional features, such the
Code V and IGP emulations. For additional information, refer to "Code V Feature
(VGL)" on page 156 and "IGP Feature (PGL)" on page 150.
Graphics Enhancements
The PGL and Code V emulations allow you to create and store forms, generate
logos, bar codes, expanded characters, and create other graphics. Alphanumeric
and bar code data are added as the form is printed.
These emulations are available as factory-installed or field-installed options. For
more information, contact your authorized service representative.
Chapter 1. Printer Overview
9
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