transfer files to and from a memory card or USB device inserted in
your product and a computer connected to your product.
Note: Do not
transfer files to and from a memory device while you are printing
from or scanning to the device.
product's LCD screen does not update to display new files
transferred to the memory device. Wait until the memory card access
light stops flashing, then remove and insert the memory card to
update the files displayed. If you are using a USB device, remove
and insert the device.