In Windows 95, printers that use the universal printer driver, Unidrv.dll,
can print in two modes: vector or raster mode. The following table
describes the differences between the two modes.
Mode Description
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Vector High-level objects, such as polygons, are sent to the printer,
which renders and prints them. Vector mode is faster than
raster mode because more of the work is done by the printer.
Raster The computer performs all rendering work, and then sends the
final print job to the printer to be printed. Although raster
mode is slower than vector mode, print quality may be better
when you use raster mode.
Because vector mode allows you to print documents more quickly than raster
mode and provides an acceptable level of print quality, the default print
mode is vector mode. However, when the printer is configured to print in
vector mode, drawing objects, AutoShapes, text boxes, and other objects
may not be printed correctly.