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4.3 Interface Board Change
1. Turn the printer power off.
2. Remove two screws from the places shown in the figure below and detach
the interface board.
3. Firmly connect the connector of the interface board to be changed.
4. Fix with screws.
4.4 Connecting PHU (Paper Feed Unit)
1. Turn the printer power off.
2. Remove the three screws on the control box and open the cover.
3. Connect the PHU connector to the connector on the printed board in the
control box shown in the following figure.
PHU connector
Cover
Connector