FAQs & Troubleshooting
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MFC-L3770CDW
340 Results
1.
(Video) Replace the Toner Cartridge
2.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
3.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
4.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
5.
(Video) Load Envelopes (MP Tray)
6.
Print or scan using the Brother iPrint&Scan application for mobile devices (Android/iOS)
7.
Replace the Drum Unit
8.
Replace Fuser
9.
Paper is Jammed Inside the Machine
10.
Wireless setup is requesting a WPS PIN to complete the setup
11.
Setup a Brother machine on a wireless (Wi-Fi) network.
12.
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.
13.
No Toner
14.
The color of your printouts is not what you expected
15.
My Brother machine could not be found over the network when I installed drivers on my computer.
16.
How can I use my NFC-enabled Android™ device with the Brother NFC-enabled machine?
17.
Which connection can I use to print from my device (Android™) using the Brother iPrint&Scan?
18.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
19.
Calibrate Colour Output
20.
Drum !
21.
Paper is Jammed in the MP tray
22.
Ghosting images
23.
I cannot scan a document using Brother iPrint&Scan (Windows/macOS)
24.
Brother iPrint&Scan cannot find my Brother machine (macOS)
25.
I cannot print using my Brother machine on a wireless network (Mac)
26.
Scan Using Secure Function Lock 3.0
27.
Easy Scan to E-mail
28.
How to identify your Operating System (OS).
29.
Authentication Error, contact your administrator.
30.
Curled or wavy