Brother GTX-4 Service Manual page 452

Error Error message
6110 [Machine Error]
6111 [Machine Error]
6119 [Machine Error]
6120 (No message)
Description
The carriage cannot move out
of its locked position.
The carriage cannot run on
the cap.
The watchdog was detected
by the carriage.
After the carriage did not
reach the stop position, it
returns to the original position
by reactivation. (The error
message is not displayed on
the panel but is recorded in
the log.)
8-35
Remedy
Items to be checked:
Turn off the power and move the carriage by hand
to check to see if the locker is hooked.
Reactivate the power supply and check to see if
any error occurs again.
Clean the carriage encoder and carriage roller.
Check to see if any ink, cleaning solution, etc.
adhere to the maintenance circuit board.
Check to see if the carriage locker rotates the
maintenance cam to move up and down.
Check to see if the carriage sliding becomes
heavy.
Items to be checked:
Turn off the power and move the carriage by hand
to check to see if the locker is hooked.
Reactivate the power supply and check to see if
any error occurs again.
Clean the carriage encoder and carriage roller.
Check to see if any ink, cleaning solution, etc.
adhere to the maintenance circuit board.
Check to see if the carriage locker rotates the
maintenance cam to move up and down.
Check to see if the carriage sliding becomes
heavy.
Check to see if the flushing foam/case or the cap
foam and cap surroundings are dismounted and
contact the head.
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:
Main circuit board
Clean the ink mist adhered inside the printer
(carriage roller, roller guide, and carriage guide
shaft).
Clean the carriage belt and pulley.
Clean the encoder strip.
Adjust the CR speed on the menu again.
Replace the carriage motor.
Replace the encoder strip.
Replace the encoder circuit board.
Replace the carriage circuit board.
Replace the main circuit board.
Error code list