FAQs & Troubleshooting
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FAX-2840
196 Results
1.
I just replaced the toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Ended" or the Toner LED is still on or flashing.
2.
I am using Voice Over Internet Protocol (VoIP) and cannot send and/or receive faxes.
3.
Replace Drum
4.
Replace Toner
5.
Change or delete an existing One Touch or Speed Dial number.
6.
How do I know which receive mode to select?
7.
Jam Rear
8.
JAM TRAY
9.
Black lines down the page
10.
I still receive the error message "Replace Drum" or "Drum Stop" after I replace the drum unit with a new one.
11.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
12.
Unable to Scan / Scan Unable
13.
Can I use voice mail on the same line as my Brother machine?
14.
Jam Inside
15.
Curled or wavy
16.
Wrinkles or creases
17.
Black toner marks across the page
18.
I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
19.
Load legal size paper in the paper tray.
20.
Lines across the page
21.
Faint
22.
The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
23.
Curled
24.
Store numbers on my Brother machine for easy dialing from the control panel.
25.
How do I make my copied images look sharper and more vivid? (Copy Contrast)
26.
Can I connect a telephone on the same line as the Brother machine in Fax/Tel Mode?
27.
Turn the Toner Save mode on or off
28.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
29.
How to identify your Operating System (OS).
30.
Program my Brother machine to automatically dial a predefined number before every fax number I dial.