FAQs & Troubleshooting
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MFC-L3770CDW
340 Results
1.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
2.
(Video) Load Envelopes (MP Tray)
3.
Scan Using Secure Function Lock 3.0
4.
Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
5.
(Video) Replace the Toner Cartridge
6.
Set Telephone Line Compatibility for Interference and VoIP Systems
7.
Reduce Toner Consumption
8.
(Video) Unpack your Brother machine
9.
Printing/ Scanning with a mobile device
10.
Paper is Jammed in the Back of the Machine
11.
Colors are light or faint on the whole page
12.
Add your Brother machine with AirPrint (macOS)
13.
Setup a Brother machine on a wireless (Wi-Fi) network.
14.
The color of your printouts is not what you expected
15.
Curled or wavy
16.
Can I print in monochrome if one of the color toners run out?
17.
Print or Scan from the Brother iPrint&Scan application using the NFC function of an Android™ mobile device.
18.
(Video) Set up your Brother machine
19.
Set the F/T Ring Time (Fast Double-ring)
20.
Calibrate Colour Output
21.
Change the Fax Forwarding Number
22.
(Video) Connect telephone line and power cords
23.
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.
24.
No Drum Unit
25.
Belt End Soon
26.
The printer status is Offline or Paused.
27.
I print mainly black and white documents. How can I stop the life of my color toner cartridges from decreasing when I print?
28.
Document Jam
29.
Replace the Waste Toner Box
30.
Toner scatter or toner stain