Replacement Of Ink Supply Circuit Board - Brother GTX-4 Service Manual

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6-2-29. Replacement of ink supply circuit board

In the case that the power is turned on, press the power switch to turn off the power.

Unplug the power cord from the main unit and start the work after five or more minutes have passed.

With reference to step (4) described within "6-2-10. Replacement of panel main unit assy", remove cartridge cover

Detach the four sub tank sensor harnesses from the sensor.

Disconnect all the nine connectors connected to the ink supply circuit board.

Remove the two screws fixing the ink supply circuit board to detach it.

To perform the assembly, take the reverse procedures to disassembly operation.

Disassembly / Replacement / Adjustment