Canon ImageCLASS MF4270 Starter Manual page 30

Software Settings with Computer
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12
When you install Presto!
PageManager and ScanSoft
OmniPage, follow the on-screen
instructions.
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14
After checking [Restart Computer
Now (recommended)] button, you
can restart your computer by clicking
the [Restart] button.
15
Remove the attachment (A) which
covers on the USB port on the back of
the machine.