Brother GTX-4 Service Manual page 440

Error Error message
5371 [Machine Error]
5372 [Machine Error]
5373 [Machine Error]
5374 [Machine Error]
5375 [Machine Error]
5376 [Machine Error]
5377 [Machine Error]
5378 [Machine Error]
Description
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
It is a communication error
caused by the maintenance
unit (color) when reading by
ink sensor.
8-23
Remedy
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.
Electric components as candidate for replacement:
Ink supply circuit board, Ink control harness, and
Maintenance circuit board
Error code list