Brother GTX pro Instruction Manual page 178

(3) Wipe clean the sides of the nozzle guard with the clean stick R.
<IMPORTANT>

Be sure not to touch the nozzle surface as well as the level surface and sidling surface of the nozzle guard.
<TIPS>

Manually move the carriage to such a position that you can perform the cleaning with ease.
Side
Nozzle guard
Precautions to keep good printing quality/use printer over the long term
Nozzle guard
Side
Nozzle surface
178
Clean stick R
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