Ricoh M126 Service Manual page 71

5. Disconnect the AC cable (C).
6. Disconnect the thermistor cable (D).
7. Disconnect the exit sensor cable (E) from the engine board.
8. Take out the fuser.
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Be careful to not damage the gears during the fuser installation.
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Be sure to reinstall the AC cable during the fuser installation.
M126/M127/M128 4-24 SM