Brother GTX pro, Instruction Manual, Page: 171 / 356

171
Precautions to keep good printing quality/use printer over the long term
(5) Unpack a new ink pouch from its inner box.
<IMPORTANT>

Do not place the ink pouch near the sharp edges. It could break the pouch and leak the contained ink.

Handle the ink pouch with care. It could be damaged when bent, snagged by sharp objects, or dropped.
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(6) Put a new ink pouch in the cartridge.
Push the tip end of the ink pouch into the cartridge until it clicks into place.
Straighten the ink pouch in such a manner that it will be aligned with the gutter of lid of cartridge, and mount in position by pulling
it with your hand.
<NOTE>

If the edge of the ink pouch is bent or undulating significantly, make it straight with your hand.
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(7) Put the ink pouch in its correct position.
<CAUTION>

Avoid touching the portion (a) of cartridge. Otherwise, you may cut your hand.
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(a)
Ink pouch
Stretch
Place the pouch in a straight alignment with the cartridge
Align lines with
each other
Ink pouch
Ink pouch
Cartridge