Epson 1500 - Manual (Page 225)

In Epson GL/2 mode, the SUB CONFIG. option includes eight
submenus.
Menu/submenu
SUB CONFIG.
Available options
E M U L .
ORIENT.
SCALE
ORIGIN
PEN
END
JOIN
AUTOEJECT
EMUL.-Selects the mode LJ3-GL/2 or GL-like.
Menu/submenu
EMUL. LJ3=GL/2
Available options
LJ3=GL/2 *
GL-Iike
ORIENT.-Determines the rotation of the coordinate system.
Menu/submenu
ORIENT. PORT
Available options
PORT
l
(portrait)
LAND (landscape)
If you select GL-like mode in EMUL., this option is always set
to LAND.
B-48 HP Emulation Mode