FAQs & Troubleshooting
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MFC-L3770CDW
344 Results
1.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
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.
Set Telephone Line Compatibility for Interference and VoIP Systems
5.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
6.
Scan Using Secure Function Lock 3.0
7.
Print or scan using the Brother iPrint&Scan application for mobile devices (Android/iOS)
8.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
9.
Setup a Brother machine on a wireless (Wi-Fi) network.
10.
Curled or wavy
11.
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.
12.
What is Brother iPrint&Scan?
13.
My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
14.
Which connection can I use to print from my device (Android™) using the Brother iPrint&Scan?
15.
Paper is Jammed in the MP tray
16.
Replace the Drum Unit
17.
Brother iPrint&Scan cannot find my Brother machine (macOS)
18.
Print or Scan from the Brother iPrint&Scan application using the NFC function of an Android™ mobile device.
19.
My Brother machine could not be found over the network when I installed drivers on my computer.
20.
(Video) Load Envelopes (MP Tray)
21.
(Video) Replace the Toner Cartridge
22.
The error message "No AirPrint Printers Found" appears when I tap the Print icon on my mobile device ( iPhone, iPod touch, iPad ).
23.
Toner scatter or toner stain
24.
(Video) Set up your Brother machine
25.
(Video) Connect telephone line and power cords
26.
Uneven color density across the page
27.
Ghosting images
28.
I cannot install Brother drivers on Debian 10 or later (Linux)
29.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
30.
I still receive the error message "Replace Drum", "Drum End Soon" or "Drum Stop" after I replace the drum unit with a new one.