Xerox Phaser 3300 Servce Manual page 80

Theory of Operation
2-38
In Printing, the two procedures are
Using the USB Port
a. When the user starts to print the desired document to a PCL or PS
string, the Driver translates the all-graphic data and sends the data to
the host spooler. The spooler then sends the data stream to the
printer via the USB port.
b. The Kernel receives this data from Host, and then select emulation fit
to data and start selected one. After emulation job end, Kernel sends
the output bit-map data to Engine using Printer Video Controller (by
clock type for LSU).
c. Engine print the received data to required paper with the sequential
developing process.
Using the Network Interface Card
a. When the user starts to print the desired document to a PCL or PS
string, the Driver translates the all-graphic data and sends the data to
the host spooler.
b. The Port monitor managing the network port receives data from
spooler, and sends a data stream to the Network Interface Card.
c. The network interface card receives the data and sends it to the
Kernel.
d. The Kernel receives this data from Host, then selects an emulation
that fits the data, and start the selected emulation. After the emulation
job ends, the Kernel sends the output bit-map data to the Engine
using Printer Video Controller (by clock type for LSU).
e. The Engine prints the received data to the selected paper with the
sequential developing process.
The additional printing function are realized in
(1) Web environment.
(2) Window environment.
In addition, the Kernel reports printing status and printer status with the Status
Monitor.
Phaser 3300MFP Service Manual