Brother GTX600NB Instruction Manual page 195

(14) Rotate and assemble the foam to the magnet on the carriage.
Make sure that the carriage foam does not ride on the four foam pads.
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Be careful not to let the carriage foam come into contact with the nozzle surface of the head.
(15) Make sure that the nozzle surface is below the bottom surface of the foam.
(16) Close and lock the right-hand-side cover.
(17) From the menu, select [Exit], and press
Precautions to keep good printing quality/use printer over the long term
Foam bottom
Nozzle surface
.
6-27
Foam pad