VL6522c/VL5522c/VL4522c 2-32.1 Information 22 Before using the Network Scan/Fax/Network FaxfunctionsThis section describes necessary information you should be aware of before using the fax and scan functionsof this machine.2.1 Information7 CAUTION- To turn the [Main power switch] off and on, first turn the main power off, and then on again after 10 ormore seconds has elapsed. Not doing so may result in an operation failure.2.1.1 Transmission functionFunction typeUsing this machine, scanned images can be sent or received via network or telephone line. This User's Guideintroduces the following functions.Notes on using fax functions (G3)Reference- To use the fax function, the optional fax kit FK-502 is required.Fax data cannot be sent/received in color with this machine.This machine can connect to the following telephone lines.- Subscribed telephone lines (including facsimile communication networks)- PBX (Private Branch eXchange, 2-wire)Check the following for the telephone line to be used.- You cannot connect a business phone as an external telephone.- If a digital dedicated line is multiplexed in an enterprise network, fax transmission speed may be limited,or the Super G3 fax may not be available.Communication error may occur on rare occasions due to the factory default setting. This is because themultiplex device limits the frequency band of the line to the utmost limit based on the assumption that theline is intended for voice communication. Also, these restrictions differ depending on the device that makeup the network. For details, contact your network administrator.Functions Transmission OptionsNetwork scan function • E-Mail• FTP• SMB• User Box• WebDAV• Web ServiceFax function • Sending and receiving G3 fax• PollingNetwork fax function • Internet Fax (I-FAX)• IP Address Fax