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The Star LaserPrinter 4111offers raster graphics (sometimes called “bit-
mapped graphics”), which specify each dot in a graphics pattern.
Be aware, though, that adding graphic elements always slows up printing
with laser printers.
The following steps should be performed (in the order shown)when printing
raster graphics:
1) Define the resolution
2) Set the orientation of the graphic image
3) Issue the command to start graphics
4) Issue the command to set the compression technique (if any) of
the graphical data
5) Send the commands which transfer the graphics data
6) Send the command to end graphics.
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Before graphics are sent to the printer, the resolution must be set. This is
achieved using the following command:
<ESC> *t
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If the value of n isgreater than 150,theresolution of the final graphics image
will be 300 dots per inch (dpi); ifn is from 101to 150,theresolution will be
150dpi;‘ifn is from 76 to 100,the resolution will be 100dpi; and if n is 75
or less, the resolution will be 75 dpi. The default resolution is 75 dots per
inch. After graphics have started, the printer will ignore any resolution
command until it receives the command to end graphics.
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To setthe orientationofthegraphic image, transmitthefollowing command:
<ESC> *r n F
where n can take a value of either Oor 3. When the value of n is O,raster
graphicsprintingwilltakeplace inthelogicalpage orientation, and when the
value of n is 3, raster graphics will be printed along the width of the physical
page, regardless of the logical page orientation.
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