USB Memory Device Requirements

Make sure your USB memory device meets these requirements.
Note: Connections that use an extension cable, a USB hub, or a card reader cannot be guaranteed.

Requirements for data

Note: The printer only searched the root folder on the USB memory device for files with a .prn file extension. If the data is saved in a sub-folder or named with a different file extension, it does not display when the USB memory device is connected to the printer.