Brother GTX-4 - Replacement of Pump Sensor

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Disassembly / Replacement / Adjustment
Replacement of pump sensor
(1) Turn the pump cam by hand to align the cam notch to the sensor part.
(2) Extend the latch (2) fixing the sensor circuit board to the rear with accompanying tweezers and detach the rear side
of the sensor circuit board from the latch.
<CAUTION>
 Taking care not to break the latch, perform the work.
(3) Detach the sensor circuit board from the hook fixing its front side.
Assembly of pump sensor
(1) To perform the assembly, take the reverse procedures to disassembly operation.
Connect to Maintenance circuit board CN2
Connect to Maintenance circuit board CN23
1
Tweezers insertion port
2
3
Tweezers