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6. Detailed Section Descriptions
Models with Duplex (G167: Printer model, G183/G184 MF model)
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For models with duplex, the transport/fusing motor drives the hot roller (same as the models without duplex).
However, the paper exit roller [A] is controlled by the duplex motor [B]. This is because the duplex motor
controls paper exit and feed in the duplex.
The paper exit sensor [C] detects the trailing edge of the paper to determine the stop timing for the transport/
fusing motor, reverse timing, and stop timing for the duplex motor. It also checks whether a paper jam
occurs at the fusing unit or paper exit.
Pressure Release Mechanism
The springs always apply the correct pressure to the nip between the pressure roller and hot roller. When
releasing the pressure release levers, the pressure roller moves away from the hot roller. If a paper jam
occurs in the fusing unit, releasing these levers make it easy to remove jammed paper.
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