Administrator Tools
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D Select [On] or [Off], and then press [OK].
E Press the {User Tools/Counter} key.
❖ ECM (Error Correction Mode)
If part of a transmission fails because of a line problem, the lost data is auto-
matically resent. For this function to work, the other machine must have
ECM. You can turn this function on or off through the following procedure.
This function is not available with Internet Fax.
If you turn ECM off, you cannot use the following functions: 
• JBIG Transmission
• Super G3 Communication
The default setting is On.
❖ Parameter Setting
User Parameters allow you to customize various settings to suit your needs.
For details about Parameter Setting, see "Parameter Settings".
❖ Program Special Sender
By programming particular receivers as Special Sender in advance, you can
have Special Senders treated differently.
For details about how to program Special Sender, see "Special Senders to
Treat Differently".
❖ Box Setting
The following functions are for delivery and transfer of documents:
•Personal Box
•Information Box
•Transfer Box
For details about Box Setting, see "Box Settings".