White lines, bands or ribbing across the page

When I try to scan the document, the scanner application crashes. (OS X 10.11)

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.

Curled (video instructions available)

Curled

Page skewed

The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).

Toner Low or Prepare New Toner Cartridge

I cannot install Brother drivers on Debian 10 or later (Linux)

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.

Turn the Toner Save mode on or off

I still receive the error message "Replace Drum", "Drum End Soon", "Drum Near End", or "Drum Stop" after I replace the drum unit with a new one.

Is my Brother machine compatible with Windows Vista?

Poor fixing

Lines across the page

What is the recommended paper?

Pre-Required Procedures (Linux)

Locate files scanned with ControlCenter2 (For Macintosh)

Can I print from or scan to Android™ Smartphone?

Size mismatch

Toner specks

Jam Rear

Wrinkles or creases

REPLACE DRUM

Print on envelopes, labels, or thick paper from the manual feed slot.

Ghost

Hollow print

I cannot use Gmail for Email functions (such as Scan-to-Email) and Internet Fax (I-Fax)

The downloaded driver's name is different from my machine's name. (Linux)

I cannot save a file downloaded from the Brother support website (For Windows)

How to identify your Operating System (OS).

Scan a text document and convert it into a text file (For Windows)

Change the scan settings for scanning from ControlCenter4 or the SCAN key (For Windows)

CARTRIDGE ERROR

How do I make my copied images look sharper and more vivid? (Copy Contrast)

Duplex Disabled

Drum Stop

The printer status is Offline or Paused.

Drum Error (Drum!)

Drum End Soon

Clean the scanner to improve the copy or fax quality.

Black toner marks across the page

White lines down the page

Can I use non-Brother or third party supplies with the Brother machine?

Gray background

I'm using Windows. I insert the CD-ROM supplied with my machine into my PC's CD-ROM drive, but the installation screen is not automatically displayed on the PC.

Faint

Black lines down the page

Can I use my Brother printer with a 64 bit Linux distribution? (Linux)