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Control Codes
POSjet
®
1500
Programmer's Guide
Page 64
Rev M
Nov-07
Printer Drivers and Printer Controls
General Driver Information
The following information provides a brief descriptive overview of each of the printer drivers that the POSjet
®
1500
can be integrated with:
Windows Printer Driver:
A Windows printer driver is a Microsoft specific, Microsoft defined, type of driver that the OS uses to translate
drawing commands by a Window’s application to a specific printer’s command set. A window’s printer driver is a
graphics page mode driver. It is not a POS (Point of Sale) driver. A Windows Printer Driver should be used when
writing a program that uses the Window’s API to send print information to the printer. Do not attempt to use a
printer driver when a program wants to send printer command codes to the printer or when a program wants to get
information back from a printer.
OPOS Driver:
An OPOS Driver is not a printer driver.
An OPOS driver is a POS device driver that an application uses to get a POS device to do something. Types of
OPOS drivers are POSPrinter, Scanner, Cash drawer, Pole Display, MICR, and Scale.
An OPOS Driver should be
used when you want to be able to access all the features of the POS device and you do not want to send
printer/device specific commands to the printer/device. OPOS Driver are also used when you want to get
information back from the device in a standard (OPOS) way, or when you want to be able to use devices from
different vendors. Do not use OPOS Drivers when attempting to send device specific commands to the
device/printer.
POSPrinter ActiveX Control (OCX):
This is not a driver; it is a software component that provides a connection from an application to a port driver. This
allows an application to communicate “directly” with a printer. This approach allows an application to send the
commands, it wants to, to the printer and is similar to the “DOS way” of communicating with a POS printer. Active
X Controls should be used when attempting to
control what is sent to the printer. When using Active X Controls it
is very important to send the correct codes to the printer as well as detecting error conditions with the printer and
graceful recovery from error situations. Do not use Active X Controls if you do not want to interact with any low-
level commands sent to the printer.
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