Brother GTX600SB Instruction Manual page 277

(5) Put a proper amount of cleaning solution into the cleaning cup.
(6) Moisten a clean stick R with the cleaning solution.
<IMPORTANT>

Be sure to use a different clean stick R separately for the color head and the white head. Use a new clean stick R when you
start cleaning.

Do not use other fluids (water, etc.), because they may damage the print heads.

Do not return the cleaning solution which has been put in the cleaning cup to the cleaning solution bottle.

Do not shed cleaning solution in the maintenance unit.
<NOTE>

For a proper work operation, be sure to wear the printer-provided gloves.
Cleaning solution
Cleaning cup
Do not drain waste ink.
277
Troubleshooting
Clean stick R
Cleaning cup
X1000