Brother GTX600NB Instruction Manual page 183

(4) Remove the cap chip and cap foam from the maintenance unit.
<CAUTION>

Do not use sharp objects, such as tweezers, and be sure to remove the cap chip and cap foam by hand.
Cap chip
(5) Wipe the gloves with a waste cloth.
(6) Set a new cap chip and cap foam.
Precautions to keep good printing quality/use printer over the long term
Cap foam
Waste cloth
Gloves
6-15
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