Brother GTX-4, Service Manual

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Error code list
Error Error message Description Remedy
5441 [Machine Error]
It is a wiper drive error caused
by the maintenance unit
(white).
Items to be checked:
(1) Check to see if there are strong
noise-generating object(s) in the surroundings.
(2) Reactivate the GTX to check to see if such
error occurs.
(3) Check to see if the wiper motor rotates when
such error occurs.
(4) Check to see if any grease, ink, cleaning
solution, etc. adhere to the peripheral of the
maintenance C wiper sensor assy.
(5) Check to see if any ink, cleaning solution, etc.
adhere to the maintenance circuit board.
Electric components as candidate for replacement:
Maintenance pulse motor, Maintenance C wiper
sensor assy, and Maintenance circuit board
5442 [Machine Error]
It is a wiper drive error caused
by the maintenance unit
(white).
Items to be checked:
(1) Check to see if there are strong
noise-generating object(s) in the surroundings.
(2) Reactivate the GTX to check to see if such
error occurs.
(3) Check to see if any grease, ink, cleaning
solution, etc. adhere to the peripheral of the
maintenance C wiper sensor assy.
(4) Check to see if any ink, cleaning solution, etc.
adhere to the maintenance circuit board.
Electric components as candidate for replacement:
Maintenance C wiper sensor assy, and
Maintenance circuit board
5443 [Machine Error]
It is a wiper drive error caused
by the maintenance unit
(white).
5450 [Machine Error]
It is an internal error related to
firmware updating occurred in
the maintenance unit (white).
(1) Reactivate the GTX to redo the firmware
updating.
(2) If the problem is not solved by the operation
stated in (1), try the means for solution of 5351
through 5353.
5451 [Machine Error]
It is a rewriting error occurred
in the maintenance unit
(white) when updating the
firmware.
Items to be checked:
(1) Check to see if there are strong
noise-generating object(s) in the surroundings.
(2) Reactivate the GTX to redo the firmware
updating.
Electric components as candidate for replacement:
Maintenance circuit board, Maintenance control
harness, Maintenance communication harness,
and Main circuit board
5452 [Machine Error]
It is a rewriting error occurred
in the maintenance unit
(white) when updating the
firmware.
5453 [Machine Error]
It is a rewriting error occurred
in the maintenance unit
(white) when updating the
firmware.