Panasonic DP-C305 Service Manual page 800

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While two hole are being made, the 3-Hole Puncher makes a single round trip in escape direction

(moving up the Hole Puncher).

3. Horizontal Registration Operation

The horizontal registration drive for the Punch Slide Unit is provided by the Horizontal Registration

Motor (M2P). The home position of the Punch Slide Unit is detected by the Horizontal Registration

Home Position Sensor (PI2P). The Punch Slide Unit detects the trailing edge of sheets using the

Trailing Edge Sensor (LED5, PT5) and the Horizontal Registration Sensors (LED1 through 4, SREG1

through 4), and causes a move to a specific position matching the trailing edge of each sheet (in

relation to the size of the sheet).

The horizontal registration operation takes place as follows:

1) When the leading edge of a sheet from the Host Machine is detected by the Trailing Edge Sensor

(LED5, PT5), the Horizontal Registration Motor (M2P) starts to move the Punch Slide Unit toward

(Punch Shaft at Rest/

(Punch Shaft CCW Rotation by

Home Position)

90 /Punch at Upper Limit)

Punch Slide Unit

Trailing Edge Sensor

(Punch CCW Rotation by 180 /

Punch Back at Initial Position)

Horizontal Registration

(Direction of

Paper Delivery)

DP-C405/C305/C265

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