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Programming for the Epic 950
Epic 950 OEM Integration Manual
Figure 22. Portrait and Landscape Print Modes
Portrait Printing Mode
On power-up, the Epic 950 Printer is set for portrait printing. In portrait printing mode,
text characters exit the printer from the top of the character to the bottom. It is also
possible to switch to this mode using the set print orientation command (GS V).
Portrait printing mode is also referred to as immediate mode printing, because each
object that is sent to the printer while the printer is in portrait printing mode is printed as
soon as the object is completed. No two objects may be printed on the same line in this
mode because the ticket is advanced as each object is completed and printed.
Certain commands are disabled or work differently while the Epic 950 is in portrait
printing mode. Exact details can be found under each command's description.
Landscape Printing Mode
By using the set print orientation command (GS V), the Epic 950 Printer can be
configured for landscape printing. In landscape printing, text characters exit the printer
from the left side of the character to the right. Before the Epic 950 Printer can be
switched to landscape printing mode, the set characters per line command (GS t) must
be set. This command defines the width of the landscape page. A landscape page is
defined as the area allocated by the Epic 950 in which landscape text, graphics, bar
codes, and line objects may be printed. The height of this landscape page always equals
the width of the Epic 950' print head. The width of the landscape page is calculated
when the set characters per line command (GS t) is sent. The width of the page is equal
to the number of characters per line multiplied by the width of the current font. The
default font is 16 dots wide (2 mm), and the default number of characters per line is 80.
In landscape printing mode, completed objects are placed within a memory buffer in the
Epic 950 and are only printed when the landscape page is terminated. A form feed (FF)
character is usually used to terminate a landscape page. This causes the Epic 950 to
print the objects that have been placed on the landscape page and advance to the next
ticket. After a landscape page is printed, the Epic 950 will remain in landscape printing
mode. If more objects are sent to the Epic 950, a new landscape page will be allocated
with a width equal to the previous page. To change the width of a landscape page, you
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