Brother GTX-4 Service Manual page 156

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Open the cartridge's lid.

When opening the lid, be sure not to touch the portion (a). Otherwise, it could be damaged.

Place the entire cartridge on a flat surface, push the latches on the bottom surface of the cartridge downward and open the

Pinch the latch at the front end of ink pouch, and draw out the white ink pouch from the cartridge.

Remove the accumulated ink at the tip of the cartridge with a waste cloth (non-fuzzy cloth). Clean the printer on a regular

Cartridge's tip end

Put the maintenance solution pouch in the cartridge.

Push the tip end of the maintenance solution pouch into the cartridge until it clicks into place.

Straighten the maintenance solution pouch in such a manner that it will be aligned with the gutter of the lid of the cartridge, and

mount in position by pulling it with your hand.

If the edge of the ink pouch is bent or undulating significantly, make it straight with your hand.

Maintenance solution pouch

White ink pouch

Improvement of print quality