HP (Hewlett-Packard) PCL Printer User Manual


 
EN Raster Graphics 6-3
This pixel format is sufficient to represent black and white images,
gray scale images, and color images. Furthermore, this format can
represent images where the color specification is directly in the
image, or where the pixel is an index into the palette. The table below
shows some possible combinations of the number of components and
the bits per component.
Image Type Number of
Components
Bits per
Component
Black and White, direct 1 1
Black and White, indexed 1 1
Color, indexed 1 8
Color, direct 3 8