Brother DCP-8080DN User Manual page 23

Cover open
Toner Life End
Red
Paper error
Scan lock
Others
Note
When the power switch is off or the machine is in Sleep mode, the LED is off.
The front cover or fuser cover is open. Close the cover.
Replace the toner cartridge with a new one.
Put paper in the tray or clear the paper jam. Check the LCD
message.
Check that the scanner lock lever is released.
Check the LCD message.
General information
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