Punch Mechanisms - Ricoh D129 Service Manual

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2.8.2 PUNCH MECHANISMS

Paper Position Detection

[A]: Finisher Entrance Motor (M1)

[B]: Finisher Entrance Roller

[C]: Finisher Entrance Sensor (S1)

[D]: Paper Position Sensor Slide Motor (M7)

[E]: Paper Position Sensor (S27)

[F]: Paper Position Sensor Slide HP Sensor (S22)

The finisher entrance motor (M1) [A] drives the finisher entrance rollers [B] that feed paper from

the copier into the finisher. The finisher entrance sensor (S1) [C] detects paper when it enters the

finisher, and detects paper jams.

The paper position slide sensor motor (M7) [D] extends and retracts the paper position slide that

holds the paper position sensor (S27) [E]. The paper position sensor detects the position of the

paper edge. The detected position of the paper is used to calculate and position the punch unit for

The paper position slide HP sensor (S22) [F] detects the paper position slide when it retracts and

stops the paper position slide motor so the slide stops at its home position.

Punch Unit B702 (For B804/B805)

B803/B805/D373/D374/D636/D637

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