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7-12 DDP92/184 Finisher Maintenance Manual

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7.4.2. Mechanism

7.4.2.1. Paper Conveyance

Paper conveyance is carried out by conveyance rollers A, B, and C; the intermediate

conveyance roller; the conveyance slide shaft; and sub-tray paper exit rollers A, B,

and C. These components are driven by M1 (FNS conveyance) by means of a timing

belt.

Stacking is implemented by the stacker entrance roller and the swivel roller. These

rollers are driven by the M13 (stacker entrance) by means of a timing belt.

Ejection to the main tray (following staple processing) is implemented by the stacker

paper exit belt arm and the paper exit roller. These components are driven by the M7

(paper exit).

Ejection to the booklet tray is implemented by the folding conveyance roller, the fold-

ing conveyance belt, the folding knife, folding rollers A and B, and pressure rollers A

and B.

The folding knife is driven by M19 (folding knife). The conveyance belt, folding rollers,

and pressure rollers are driven by the M20 (folding conveyance) by means of a timing

belt.

7.4.2.2. Paper Path Switching

Figure 7-14. View of the Paper path Switching

Path switching is carried out by the gate, the sub-tray gate, and the by-pass gate.

Each of these is controlled by the ON/OFF action of a corresponding solenoid: SD1

(gate), SD2 (sub-tray paper exit), and SD5 (by-pass), respectively.

7.4.2.3. Shift Unit Offset Operation

(1.) Paper entering the shift unit is fed toward the paper exit direction by the action of

the slide shaft.

(2.) Driving by M2 (roller shift) causes the linkage to shift the slide shaft and paper

30mm toward the rear.

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Ricoh DDP92 Spécifications Page 167