Canon PIXMA Pro9000 Series Quick Start Manual page 32

Advanced Printing
4
Connect the PictBridge compliant device to the printer.
(1) Make sure the device is turned off.
(2) Connect the device to the printer using the USB cable.
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Depending on the model or brand of your PictBridge compliant device,
you may have to select a print mode of producing photos before
connecting the device.
You may also have to turn on the device or select Play mode manually
after connecting the device to the printer.
Perform necessary operations according to the instruction manual
supplied with your device.
The PictBridge compliant devices turn on automatically, when
connected to the printer. For a device not turns on automatically,
turn it on manually.