FAQs & Troubleshooting
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MFC-L3770CDW
340 Results
1.
(Video) Replace the Toner Cartridge
2.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
3.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
4.
Setup a Brother machine on a wireless (Wi-Fi) network.
5.
Replace the Drum Unit
6.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
7.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
8.
Calibrate Colour Output
9.
How to identify your Operating System (OS).
10.
Replace the Waste Toner Box
11.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
12.
Paper is Jammed in the Back of the Machine
13.
Print or scan using the Brother iPrint&Scan application for mobile devices (Android/iOS)
14.
I just replaced the toner cartridge and the LCD continues to display the message "Toner Life End" or "Replace Toner".
15.
(Video) Set up your Brother machine
16.
Replace the Belt Unit
17.
Paper is Jammed Inside the Machine
18.
White spots
19.
What is Brother iPrint&Scan?
20.
The scanned data is attached to an E-mail application which I do not use regularly, or the error message indicating no default E-mail application is registered on my computer (CC4-121-[error code]) when trying to scan a document directly into my E-mail application using ControlCenter4 or the SCAN key on my Brother machine.
21.
My Brother machine could not be found over the network when I installed drivers on my computer.
22.
Uneven color density across the page
23.
Document Jam
24.
Easy Scan to E-mail
25.
What is the default password for my Brother network card, BRAdmin, Remote Setup or Web Based Management?
26.
Set up your Brother machine on a wireless network.
27.
Update your machine's firmware using Brother iPrint&Scan (Android/iOS)
28.
Scan to Email Attachment
29.
(Video) Unpack your Brother machine
30.
I cannot find some option in the Printing preferences. (For Windows)