Brother HL-5440D Service Manual page 62

Press [Go] and
LED
[Cancel]
simultaneously once
Press [Go] and
[Cancel]
simultaneously twice
Write error in the EEPROM of the
main PCB
Malfunction of the flash memory on
the main PCB
Fuser unit error (except error
codes 6A00 to 6F00, 7600, 7800,
DE00, and E200)
Communication between the
wireless LAN PCB and the main
PCB cannot be established at
machine startup.
Detected communication failure
after communication between the
wireless LAN PCB and the main
PCB was established.
2-26
Type of problem
Error Refer
codes to:
E600 2-53
F000 2-55
DD00 2-51
ED00 2-54
EE00 2-54
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