What if the IFP does not recognize using a USB flash drive or
mobile hard disk?
- 1、Please note whether the USB disk is inserted into the USB interface of the Android system or the USB
interface of the Windows system. Generally, USB2 or the USB interface marked with PC USB is the USB interface
of the Windows system, as shown below:

- 2、If the problem still exists in the above steps, connect the USB flash drive to the Windows system and
insert the USB flash drive into the USB port on the side of the all-in-one.

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