Brother GTX pro Instruction Manual page 288

(15) Remove the core claw using the supplied screwdriver.
<TIPS>

Hold the core center by hand to make it easy to insert the screwdriver into the claw.
(16) Remove the resin cover which is placed on the top of the carriage board and remove the flat cable.
(17) Unlock the print head, and remove the print head.
<IMPORTANT>

When removing the print head, be careful not to drip the ink on the carriage plate. If the ink is dripping, wipe off the dripping
ink.
Print head
Flat cable
Lock
②
①
Driver
Latch
Core
288
Troubleshooting
Resin cover
X0408
X0409
X0410