Compatibility, Packing and shipping the mfc, Compatibility -20 – Brother MFC-7820N User Manual
Page 107: Packing and shipping the mfc -20, E interference on the phone line, tr, 11 compatibility
 
Troubleshooting and routine maintenance
11 - 20
11
Compatibility
If you are having difficulty sending or 
receiving a fax due to possible interference 
on the phone line, we recommend that you 
adjust the Equalization for compatibility to 
reduce the modem speed for fax operations.
1
Press Menu/Set, 2, 0, 1.
2
Press
▲ or ▼ to select Basic or
Normal
(or High*).
(*MFC-7820N only)
Press Menu/Set.
3
Press Stop/Exit.
Note
■
Basic
reduces the modem speed to 9600
bps. Unless interference is a recurring 
problem on your phone line, you may 
prefer to use it only when needed.
■
Normal
sets the modem speed at 14400
bps.
■
High
sets the modem speed at 33600 bps
(MFC-7820N only).
■
When you change the Compatibility to 
Basic
, the ECM feature is not available.
Packing and shipping 
the MFC
When you transport the MFC, use the 
packing materials that came with your MFC. 
If you do not pack the MFC properly, you 
could void your warranty. The MFC should be 
adequately insured with the carrier.
1
Turn off the MFC’s power switch.
2
Unplug the MFC from the telephone wall 
jack.
3
Unplug all the cables and AC power 
cord from the MFC.
4
Open the front cover.
5
Remove the drum unit and toner 
cartridge assembly. Leave the toner 
cartridge installed in the drum unit.
6
Place the drum unit and toner cartridge 
assembly into the plastic bag and seal 
the bag.
7
Close the front cover.
8
Wrap the MFC in the plastic bag and 
place it in the original carton with the 
original packing material.
Miscellaneous
1.Compatibility