You can view
and print files from a USB thumb drive or other external storage
device, such as an external hard drive. Before you connect your
thumb drive or device, make sure the product is turned on but not
cannot guarantee the compatibility of your device. Make sure the
files on the device are compatible with the product.
finish printing, make sure the access light on the drive is not
flashing, then remove or disconnect it from the product.
Do not remove the USB drive or turn off
the product when the access light is flashing, or you may lose
photos on the drive.