FAQs & Troubleshooting
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MFC-L3770CDW
340 Results
1.
(Video) Replace the Toner Cartridge
2.
Replace the Drum Unit
3.
Toner Low
4.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
5.
Drum !
6.
Document Jam
7.
Paper is Jammed in the Back of the Machine
8.
Replace the Waste Toner Box
9.
Easy Scan to E-mail
10.
Setup a Brother machine on a wireless (Wi-Fi) network.
11.
Calibrate Color Output
12.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
13.
How to identify your Operating System (OS).
14.
Replace Fuser
15.
I still receive the error message "Replace Drum", "Drum End Soon" or "Drum Stop" after I replace the drum unit with a new one.
16.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
17.
Print Unable ##
18.
Set up your Brother machine on a wireless network.
19.
My Brother machine could not be found over the network when I installed drivers on my computer.
20.
Enable the Brother machine's network interface.
21.
What is the default password for my Brother network card, BRAdmin, Remote Setup or Web Based Management?
22.
Add your Brother machine with AirPrint (macOS)
23.
Toner scatter or toner stain
24.
Reset the Network Settings to the Factory Settings
25.
I just replaced the toner cartridge and the LCD continues to display the message "Toner Life End" or "Replace Toner".
26.
Colors are light or faint on the whole page
27.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
28.
Replace the Belt Unit
29.
The printer status is Offline or Paused.
30.
Set Telephone Line Compatibility for Interference and VoIP Systems