GBC AdvancedPunch Technical & Service Manual page 96

Section 4
4-38
4. Tilt the power supply plate upward to expose the circuit board below.
5. Locate and then disconnect wire harness J8 from the circuit board. Wire
harness J8 consists of two black wires.
Note: On A4 (230VAC, 50Hz) models the AC line filter is larger then on the LTR
60Hz model. Because of this the AC line filter must be removed when performing
this procedure on an A4 model machine.
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Figure 4.36 Exposure to Circuit Board
Figure 4.37 J8 Connector Removal
Advanced Punch Service Manual