AR-NC3D (serv.man2). Instructions for upgrading AR-NC3D firmware using the FTP Download Utility - Sharp Copying Equipment Handy Guide. Page 3

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4.   Select the proper UPD file to be used for the update.  Highlight the file and click OK.  An
IP address dialog will then appear as shown below.  Enter the IP address of the printer to
be updated.  Then click OK.
5.   A Password dialog then appears as shown below.  Enter  the unit password and click OK.
If not previously changed, the default password is “sysadm” (entered in lowercase
letters).
6.   The Download Status box then appears as shown below. This indicates that the
compatibility of the UPD file with the NIC is being checked.
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