Load Balancing - Canon Multi-PDL Printer Kit-E1 Service Manual

Chapter 2
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

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.
Application
UFR II
driver
GDI
Load Balance & Band Sort Load Balance & Band Sort
F-2-9
On Mac OS X, the print driver transfers data by page and the controller can process them
by band.
2-12
<Interpret>
UFR II
inter-
preter
Spooler
band mode-
UFR II IF
<Render> <Compress>
Band
Display List
Memory
Band Spool Band Spool
0008-5627
Spool Memo ry
Eng-
ine