FAQs & Troubleshooting
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MFC-L3770CDW
340 Results
1.
(Video) Replace the Toner Cartridge
2.
Replace the Drum Unit
3.
Calibrate Colour Output
4.
How to identify your Operating System (OS).
5.
Document Jam
6.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
7.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
8.
Toner Low
9.
Setup a Brother machine on a wireless (Wi-Fi) network.
10.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
11.
Registration or Registration failed.
12.
Set up your Brother machine on a wireless network.
13.
Load Paper in the Multi‑purpose Tray (MP Tray)
14.
(Video) Connect telephone line and power cords
15.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
16.
Change the printer driver settings (Windows/macOS)
17.
Replace the Waste Toner Box
18.
I cannot print or scan via USB on Debian 11 or later, Ubuntu 20.04 or later and on their derivatives (Linux)
19.
Load and Print Labels Using the MP Tray
20.
Curled or wavy
21.
Update your machine's firmware using Brother iPrint&Scan (Android/iOS)
22.
My Brother machine could not be found over the network when I installed drivers on my computer.
23.
(Video) Load Envelopes (MP Tray)
24.
Set the Number of Rings Before the Machine Answers (Ring Delay)
25.
Replace PF Kit xx
26.
Replace the Belt Unit
27.
Paper is Jammed in the Paper Tray
28.
Load Documents in the Automatic Document Feeder (ADF)
29.
Easy Scan to E-mail
30.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.