Brother GT-341 Instruction Manual page 158

7. Troubleshooting
(18) Rotate the Lever to fix the Print Head.
(19) Remove the protection film.
(20) Remove the Fitting that inserted in the step (3), connect the Tube to the Print Head and fix the Tube by
rotating the Tube Connector by 90 degrees.
(21) Take off the gloves and connect the Flat Cable to the Carriage PCB. Put the Flat Cable with the terminal
(metal) side on the top (left), insert straight into the connector and fix it by pushing the tabs of both sides
(right).
<Important!>
Do not insert the Flat Cable at an angle. The electric current may not be stable and increase the Print
Head temperature, which causes machine errors, mis-firing, and give serious damage to the Print
Head. Do not repeat the insertion, or the terminal (metal) may be damaged and cause serious
mis-firing.
(22) Mount the Plastic Cover over the Carriage PCB. Put it on the Carriage PCB in curl (left), and make the
Condenser (big black part on the Carriage PCB) go through the hole of the Plastic Cover (right).
(23) Put the Plastic Cover so that the fold at the back should cover the metal plate under the Carriage PCB.
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GT-3 Series