Canon imageFORMULA P-215II User Manual page 10

Turning OFF the Power
1
If the feed extension plates and document guides are raised, lower
them.
Do not close the feed tray while the document guides are spread
open. This can damage to the scanner and result in malfunction.
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2
Close the feed tray.
The scanner turns OFF.
3
Push the section (front cover) at the front of the feed tray to close it.

When not using the scanner, close the scanner's Document
Feed Tray or disconnect the USB cable.

When transporting the scanner, make sure to close the front
cover beforehand. Failure to do so may result in the feed tray
opening and causing the scanner to fall.
Using an Auxiliary Power Supply
Since this scanner is bus-powered, scanning can be performed with a
single USB cable. However, scanning can be performed at a higher speed
if you use the power supply USB cable or an AC adapter (sold separately).
Connect the power supply USB cable or AC adapter (sold separately) to
the power connector at the rear of the scanner.
9