Introduction to host-based printing
The HP LaserJet 2010 Series printer is a host-based device. Host-based printing differs from PCL
printing by computing the print job on the host computer rather than computing it in the device formatter.
The following illustration shows how the HP LaserJet 2010 Series printing-system software works.
Figure 4-1 HP LaserJet 2010 Series host-based driver overview
As a host-based printing system, the HP LaserJet 2010 Series print driver uses MS Windows to convert
the graphics device interface (GDI) or device driver interface (DDI) calls from software programs into
JBIG (standard-compression) compressed pages. These pages are sent in “chunks” through the driver
to the device formatter.
The HP LaserJet 2010 Series print driver also receives status messages from the formatter firmware.
These messages are passed to the Status Application, which displays them.
The HP LaserJet 2010 Series formatter has 2 MB of read-only memory (ROM) and 32 MB of random
access memory (RAM). Both the firmware and the compressed page must fit into the 32 MB of RAM.
72 Chapter 4 Host-based driver for Windows ENWW
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