AR-NS1 (serv.man4). ARNS1 Operation Manual - Sharp Copying Equipment User Guide / Operation Manual. Page 38

Check: 

Network Interface Card (NIC) failed or is not properly connected.

Solution: Make sure the NIC is operating properly and is connected to the network cable. If the

problem persists, contact your system administrator or authorized Sharp Service Center
for further instructions.

When a communication error has occurred during the sending the scanned image data, the
following error message with an error code will appear in the display of the copier’s touch panel.

Error Code

Description of the Error

CE-01

An optional network interface card (Print Server Card) is not installed or out of order.

CE-02

Cannot find the specified mail server or FTP server.

CE-03

The server has been down during the scanning of the original.

CE-04

An invalid account name or password for the FTP server has been entered.

CE-05

An invalid directory of the FTP server has been entered.

CE-06

An invalid e-mail address has been entered and an error message mail has been
returned.

CE-FF

Other error than the above mentioned has occurred.

ERROR. PLEASE SEE YOUR DEVICE/NETWORK
ADMINISTRATOR. CODE: NN-NN