Sharp Group 2 A4 devices can work with most USB card readers that support keyboard emulation mode once the keyboard emulation driver is installed.
To Install:
Input the IP address of the Group 2 Device into a web browser to navigate to the configuration page of the MFP.
From the web page options, select Apps [View Image].
From the Apps page, select Install an App [View Image].
Use the Browse button to browse for the supplied .fls file and then click Install [View Image].
This will install the embedded application Keyboard Reader on to the Group 2 device.
A supported USB card reader can now be plugged into the Group 2 device USB port and used for card login.
Note: To support Lexmark RFID card reader, you also need to install the OmniKey driver. Please follow the steps above and install omnikey5427ckdriver-1.2.15.fls.