Canon Multi-PDL Printer Kit-E1, Service Manual

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Chapter 2
2-12
The gutter width range changed to 0-50 mm.
US: 0.0 to 2.0 inches
UK: 0.0 to 50.0 mm
2.1.6
Load Balancing
0008-5627
The UFR II is designed to balance the loads of the print driver and the controller of the
printer for optimized processing.
The UFR II assigns each processes depending on performances of the print driver and the
OS of the host.
On Windows 2000 and XP, a page can be divided into bands to transfer data to the
controller. In the controller, the data are processed by band all through the processes ending
with the Spool Memory.
F-2-9
On Mac OS X, the print driver transfers data by page and the controller can process them
by band.
Application
GDI
Eng-
ine
Spooler
driver
inter-
preter
Spool Memory
Display List
Band
Memory
band mode-
IF
Load Balance & Band Sort Load Balance & Band Sort Band Spool Band Spool
<Render> <Compress> <Interpret>
UFR II
UFR II
UFR II