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The Select Orientation command
The Select Orientation superset command lets you change the “attitude” in
which the Star LaserPrinter 8111 prints.
To change from one orientation to the other you send this Select Orientation
Escape sequence:
<ES0 [ 0 n
For the value n you put 0 (zero) for portrait orientation,
or 1 (one) for landscape orientation.
When you send this command to print in landscape mode, the printer
automatically rotates its current font so that it prints as landscape.
The spot or line where printing starts on the page is sometimes called the
origin or top ofform. The origin changes when you switch orientations.
That starting print position is in the upper left comer for a portrait page, but
in the lower left comer for a landscape page.
The Star LaserPrinter 8111 lets you mix portrait and landscape orientations on
the same page. Because the starting print position changes when you switch
orientations though, you have to remember to re-orient commands that
move the print position. If you don’t want to allow the printer to mix
orientations, use the front panel program menu to change the COMMAND
parameter FF on ROTATE value to NO.
You probably won’t want to change orientation all that often. Every time you
do, the Star LaserPrinter 8111 also resets the page margins to its limits, and
also how it defines lines and columns. So whenever you give the Select
Orientation command you may want to follow it with Escape sequences to
change the side and top margins and paper length settings. (Alternatively,
you could put the printer offline and reset these from the front panel, as
described under LAYOUT earlier.)
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