Brother MFC 8420 User Manual
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1 - 15 INTRODUCTION 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, if resends the pages of the fax that had an error. ECM transmissions are only possible between fax machines that both have this feature. If t hey 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....
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INTRODUCTION 1 - 16 Connecting an external telephone answering device (TAD) Sequence You may choose to connect an answering device. However, when you have an external TAD on the same telephone line as the MFC, the TAD answers all calls and the MFC “listens” for fax calling (CNG) tones. If it hears them, the MFC takes over the call and receives the fax. If it doesn’t hear CNG tones, the MFC let s the TAD continue playing your outgoing message so your caller can leave you a voice message. The TAD...
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1 - 17 INTRODUCTION Do not connect a TAD elsewhere on the same phone l ine (unless you have the Distinctive Ring service). TAD TAD
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INTRODUCTION 1 - 18 Connections The external TAD must be plugged into the back of the MFC, int o t he jack labeled EXT. Your MFC cannot work properly if you plug the TAD into a wall jack (unless you are using Distinctive Ring). 1Plug the telephone line cord from the wall jack into the back of t he MFC, in the jack labeled LINE. 2Plug the telephone line cord from your external TAD into the back of the MFC, in the jack labeled EXT. (Make sure this cord is connected to the TAD at the TAD’s telephone...
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1 - 19 INTRODUCTION Special line considerations Roll-over phone lines A roll-over phone system is a group of two or more separate telephone lines that pass incoming calls to each ot her if t hey are busy. The calls are usually passed down or “rolled over” to the next available phone line in a preset order. Your MFC can work in a roll-over system as long as it is the last number in the sequence, so the call cannot roll away. Do not put the MFC on any of the other numbers; when the other lines are...
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INTRODUCTION 1 - 20 Converting telephone wall outlets There are three ways to convert to an RJ11 jack. The first two ways may require assistance from the telephone company. You can change the wall outlets from one RJ14 jack to two RJ11 jacks. Or, you can have an RJ11 wall out let installed and slave or jump one of the phone numbers to it. The third way is the easiest: Buy a triplex adapt er. You can plug a triplex adapter into an RJ14 outlet. It separates the wires into two separate RJ11 jacks...
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1 - 21 INTRODUCTION Installing MFC, external two-line tad and two-line telephone When you are installing an external two-line telephone answering device (TAD) and a two-line telephone, your MFC must be isolated on one line at bot h the wall jack and at the TAD. The most common connection is to put the MFC on Line 2, which is explained in the following steps. The back of the two-line TAD must have two telephone jacks: one labeled L1 or L1/L2, and the other labeled L2. You will need at least...
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INTRODUCTION 1 - 22 Multi-line connections (PBX) Most offices use a central telephone system. While it is often relatively simple to connect the MFC to a key system or a PBX (Private Branch Exchange), we suggest that you contact the company that installed your telephone system and ask them to connect the MFC for you. It is advisable to have a separate line for the MFC. You can then leave the Receive Mode set to FAX Only to receive faxes any time of the day or night. If the MFC is to be connected...
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PAPER 2 - 1 2 About paper Type and size of paper The MFC loads paper from the installed paper tray, manual feed tray, multi-purpose tray or optional lower tray. Recommended paper Paper Tray Type Model name Paper tray (Tray #1) MFC-8420, MFC-8820D and MFC-8820DN Manual feed tray MFC-8420 Multi-purpose tray (MP tray) MFC-8820D and MFC-8820DN Optional lower tray (Tray #2) Option for MFC-8420, MFC-8820D and MFC-8820DN Plain Paper: Xerox 4200DP 20 lb Hammermill Laser Paper 24 lb Transparency: 3M CG...
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2 - 2 PAPER ■Before you buy a large amount of paper, please test some t o make sure t hat the paper is suitable. ■Use paper that is made for plain-paper copying. ■Use paper that is 75 to 90 g/m 2 (20 to 24 lb). ■Use neutral paper. Do not use acidic or alkaline paper. ■Use long-grain paper. ■Use paper with a moisture content of approximately 5%. Caution Do not use ink jet paper. I t may cause a paper jam and damage your MFC. Choosing acceptable paper We recommend that you test paper (especially...