Error Messages (LCD, PC) or LED Lights - Troubleshooting

Error Message on LCD

• I still receive the error message "Replace Drum", "Drum Near End", or "Drum End Soon" after I replace the drum unit with a new one.
• I don't think I got the full yield from my high-yield toner cartridge but the message "Toner Life End" or "Replace Toner" is displayed on the machine or the LED is on or flashing.
• I just replaced the toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Life End" or the Toner LED is still on or flashing.
• The Fuser cover is securely closed, however the message "FUSER COVER OPEN" is displayed on the LCD. How do I clear this message?
• "JAM DUPLEX" error appears on the LCD. What should I do?
• "JAM REAR" error appears on the LCD. What should I do?
• "JAM INSIDE" error appears on the LCD. What should I do?
• "JAM TRAY 1", "JAM TRAY2" , "JAM TRAY3" error message appears on the LCD. What should I do?
• "JAM MP TRAY" error appears on the LCD. What should I do?
• What are the consumable replacement error messages?

LED Indication

• I don't think I got the full yield from my high-yield toner cartridge but the message "Toner Life End" or "Replace Toner" is displayed on the machine or the LED is on or flashing.
• I just replaced the toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Life End" or the Toner LED is still on or flashing.

Error Message on PC Display

• When installing the Macintosh OS X printer driver it displays a message that you need to type your password to install this software.
• The message "xxxxxxx.xxx can't be opened because it is from an unidentified developer." appears on OS X v10.8.x. (where xxxxxxx.xxx is the file name.)
• The error message "Invalid format for short nick name" appears when printing a document. (Mac OS® X 10.5 or greater)
• I'm using Windows® 8. I insert the CD-ROM supplied with my machine into my PC's CD-ROM drive, but the error message "This CD does not contain drivers for your computer operating system." appears.
• I'm using Windows® 7. I insert the CD-ROM supplied with my machine into my PC's CD-ROM drive, but　the error message "This CD does not contain drivers for your computer operating system." appears.
• I receive an error message stating "USB Device Not Recognized. One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it" when I connect the Brother machine to a computer.
• I configured the "IP Config" method of the machine to "Auto" to assign an IP address automatically, however it was changed to "Static" unexpectedly. I get an error message that indicates IP address is not unique, or a document is printed out by the machine I didn't expected. What can I do?
• When I run the Firmware update tool or the I-FAX install tool, the "Program failed to run" message appears on my PC screen. What do I do?
• I receive an error message when trying to use network functions.(For Windows®)
• My Antivirus Software gives a warning message during the installation of Web BRAdmin.