Brother MFC-L8900CDW

User Check

• Wait for one minute while connecting the USB flash memory and check if it works normally.
• Connect the USB flash memory again.
• Replace the USB flash memory.
• Check that the extension of data in the USB flash memory is correct.
• Check that the USB device out of specification is not connected.
• Check that the multiple USB devices are not connected to the machine.

Step	Cause	Remedy
1	Connection failure of the USB host harness	Reconnect the USB host harness.
2	USB host PCB failure	Replace the USB host PCB ASSY.
3	Main PCB failure	Replace the main PCB ASSY.