Brother GT-3 Series Service Manual page 295

6. Replacing Parts
8.
The Carriage moves to the position of the Flushing Plate. Follow the indication of the Display and turn
OFF the printer.
9.
Open the Front Cover with both hands until it is locked with the stopper.
10. Take off the gloves and touch some metallic part to dissipate static electricity (e.g. Covers). Better to put
on the Wrist Strap.
11. Remove the plastic cover on the Carriage PCB by referring to the step 11 and 12 in the page for Color.
12. Pull out the black tabs at the both edges of Flat Cable of the Print Head to the back side of the printer,
and remove the Flat Cable (the following example:W2).
13. Rotate the Lever (3) to your side that fixes the Print Head. Move it to the direction of the arrow.
14. Lean the Print Head backward to the inside of the Carriage (left), hold the Knob and pull up the Print
Head and remove it from the printer (right). Keep the surface of the Print Head (Nozzles) safe, do not
touch to other parts or the Print Head may be seriously damaged.
15. Mount the new Print Head on the printer. Hold the knob (6) of the Print Head (left), protect the Tube with
the other hand (middle), and then locate the Print Head to the mounted position (right). Fix the print head
by referring to the step 16, 17 and 18 in the page for Color.
<Note>
Move the Print Head by its upper part go through the Tube. It is easier to fix the Print Head on the
Carriage by leaning the Print Head backward and moving it from the upper left. Do not hit the surface of
the Print Head to the other parts or it may be seriously damaged.
Do not break or bend the Tubes.
286
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GT-3 Series