Brother GTX-4 Instruction Manual page 254

Install White Ink After Cleaning
(1) Make sure the message [Install White Ink After Cleaning] is displayed on the liquid crystal panel.
<TIPS>

Perform the work operation by following the on-screen instructions.
(2) Take out the maintenance solution cartridge from the printer.
<TIPS>

The bottom of the cartridge may be soiled with ink.
(3) Open the cartridge's lid.
<IMPORTANT>

When opening the lid, be sure not to touch the portion (a). Otherwise, it could be damaged.

Place the entire cartridge on a flat surface, push the latches on the bottom surface of the cartridge downward and open the
lid.
Cartridge
(a)
Maintenance solution cartridge
Lid
254
Troubleshooting
W12 W34
Latch
X0039
Lid
X0042