This article explains how to disable the USB flash function on a Multifunction Printer (MFP).

You might want to disable this function if you are using tracking software to capture print information going across the network. 

There are two ways to disable the flash drive access on the MFP. Both methods are described below.

Using the touchscreen

Step	Action	Illustration
1	Press the  button.
2	Press the key next to Settings.
3	Press  .	...
4	Press  next to Security.
5	Press  next to Function Access.
6	Press .	...
7	Change the Flash Drive Scan and Flash Drive Print access to the desired authentication level using and .
8	Press .

Using the Web browser:

Step	Action	Illustration
1	Access the printer's Web browser.	Click here for instructions.
2	Click on Configuration.
3	Click on Security.
4	Click on Function Access.
5	Change the Flash Drive Scan and Flash Drive Print access to the desired authentication level.
6	Click Submit.	...

Please contact Lexmark Technical Support for additional information.  NOTE:  When calling for support you will need to know your printer model type and serial number. 
Please call from near the printer in case the technician asks you to perform a task involving the printer.