Brother GT-541 Instruction Manual page 97

(7) Insert the Filter Cartridge to the Ink Cartridge Slot, and then press the OK Button.
The ink draining of the head begins. Wait until the message "Turn Off & Please Change [X] Head"
appears
(8) Turn off your printer.
(9) Open the Front Cover by unlocking the Cover Locks with both hands
The Print Heads are on the left.
Tube
<Note>
Make sure the color of the corresponding head tube is clear.
Better to remove the Wiper Cleaner Cassette first before replacing Print Head. Otherwise the
space is narrow and the edge of the cassette may hit and seriously damage the Print Head.
Print Heads
GT-541
7. Troubleshooting
87