Brother GTX600SB Instruction Manual page 236

(6) With a clean stick R, clean the surrounding area of nozzle surface of print head.
<IMPORTANT>

Be sure not to bring the clean stick R into contact with the nozzle surface.

The used clean stick R should be disposed of, and should not be reused.

Do not rub the parts strongly, which may scrape the water repellent film.
Cleaning area
Cleaning
prohibited
Surrounding area of
nozzle surface
(7) Close the right-side cover and press
<NOTE>

Dispose of any waste resulting from the cleaning in accordance with applicable laws and ordinances.
<TIPS>

Then, the head cleaning will be performed to prevent any ink from drying up.

Because the cleaning cup will be reused, rinse it in clean cleaning solution and store it in a safe place.
Cleaning conditions
Precautions to keep good printing quality/use printer over the long term
Pre-cleaning state
Nozzle surface
in response to the instructions on the screen.
236
Post-cleaning state
X1113
X1114