ECM (Error Correction Mode); Connecting the MFC; Connecting an external telephone- Page 30

Brother MFC-3820CN User's Guide

2014 Dodge Charger SRT Owner Manual

Table of Contents

USER'S GUIDE MFC-3420C/MFC-3820CN
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INTRODUCTION   

1 - 9

ECM (Error Correction Mode)

The Error Correction Mode (ECM) is a way for the MFC to check a 
fax transmission while it is in progress. If the MFC detects errors 
during fax transmission, it resends the pages of the fax that had an 
error. ECM transmissions are only possible between fax machines 
that both have this feature. If they do, you may send and receive fax 
messages that are continuously being checked by the MFC.

Your MFC must have enough memory for this feature to work.

Connecting the MFC

Connecting an external telephone

If your MFC does not have a handset, you can connect a separate 
telephone (or telephone answering device) directly to your MFC as 
shown in the diagram below.

Connect the modular plug on the telephone line cord to the jack 
labeled EXT. in the back of the MFC.

When this phone (or TAD) is in use, the LCD shows 

Telephone

.

Extension 
Telephone

External 
Telephone

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