FAQs & Troubleshooting
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MFC-8840DN
223 Results
31. 04/20/2022
The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
32. 04/07/2022
How to use Scan-key-tool features. (Scan-to-File, Scan-to-Image or Scan-to E-mail) (Linux)
33. 04/01/2022
Add my Brother machine (the printer driver) using Mac OS X 10.5 - 10.11.
34. 03/24/2022
I cannot save a file downloaded from the Brother support website (For Windows)
35. 03/17/2022
I cannot install the driver when using the Driver Install Tool. (Linux)
36. 01/06/2022
I'm using Fedora 28 or later. I cannot scan from my Brother Machine or it says that it cannot find the Brother Machine. (Linux)
37. 11/10/2021
Open the Control Panel (For Windows)
38. 10/12/2021
I cannot install Brother drivers on Debian 10 or later (Linux)
39. 12/29/2020
Scan a document in OS X 10.8/macOS 10.12 - 10.15.
40. 07/27/2020
The scan key does not work after reconnecting the USB cable or rebooting my machine (openSUSE 11.4) (Linux)
41. 07/16/2020
Cannot print after a Windows 10 update (June 2020)
42. 07/06/2020
Scan using XSane or GIMP (Linux)
43. 07/06/2020
Important points for specifying the scan area (Linux)
44. 07/06/2020
What driver package format is supported by my Linux distribution?
45. 05/13/2020
Configure scan settings without administrator privileges (Linux)
46. 05/13/2020
Firewall port requirements of the Scan Key Tool (Linux)
47. 05/13/2020
I cannot scan from my Brother machine in Ubuntu 16.10 (Linux)
48. 04/16/2020
I cannot scan with brscan, brscan2, or brscan3 via USB (Linux)
49. 04/06/2020
I installed scan-key-tool, but it does not work. (Linux)
50. 04/06/2020
Delete a network scanner entry. (Linux)
51. 04/06/2020
I'm using Ubuntu 11.10 or higher. I cannot scan from my Brother Machine. (Linux)
52. 12/03/2019
The downloaded driver's name is different from my machine's name. (Linux)
53. 12/03/2019
The driver installation was successful but I cannot print on Redhat, Fedora, or CentOS (Linux)
54. 11/27/2019
Print command (LPR) (Linux)
55. 11/27/2019
My machine prints 2-sided when I select 1-sided printing in the driver (Linux)
56. 11/15/2019
Print command (cupswrapper) (Linux)
57. 10/29/2019
Pre-Required Procedures (Linux)
58. 10/29/2019
I cannot install the LPD/LPRng driver and get a message that LPD does not exist. (Linux)
59. 10/29/2019
Large characters are printed incorrectly. (Linux)
60. 10/29/2019
When printing with monochrome laser printer, the print position shifts. (Linux)