Panasonic DP-C305 Service Manual page 798
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Also See for DP-C305:
- Operating instructions manual (112 pages) ,
- Scan/email manual (62 pages) ,
- Service handbook (808 pages)
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2. Punching Operation
The Hole Puncher is driven by the Punch Motor (M1P). The home position for the Hole Puncher is
detected by the Punch Home Position Sensor (PI1P).
The Punch Unit comes in three types, selected to suit the country of installation: 2-hole (Punch Unit
DA-SP41-AZ), 2- and 3-hole (Punch Unit DA-SP41-PU), or 4-hole (Punch Unit DA-SP41-PB).
The 2-hole and 4-hole types punch a hole when the Punch Shaft is rotated 180° from the home
position, causing the punch to make a single round trip. The 2-/3-hole type punches a hole, but the
circumference of the Punch Shaft is divided into two (half for 2-hole and the other half for 3-hole).
a. 2-Hole, 4-Hole Type
The home position is identified when the Punch Home Position is ON. The punching operation for
the first sheet ends when the Punch Shaft has rotated 180° and the Punch Home Position Sensor
goes ON; the punching operation for the second sheet ends when the Punch Shaft has rotated 180°
in reverse and the Punch Home Position Sensor goes ON.
The punching operation takes place as follows when making a hole in two sheets of paper.
1) A hole is punched along the trailing edge of the 1st sheet.
Punch Home Position
2) A hole is made along the trailing edge of the 2nd sheet.
Ver. 1.1
Sensor Flag
Sensor (PI1P)
Punch Shaft
Eccentric Cam
Hole
Puncher
Die
Paper
Die
(Punch Shaft at
Rest/Home Position)
(Punch Shaft at Rest/
(Punch Shaft CCW Rotation
Home Position)
Waste Paper
(Punch Shaft CW Rotation
(Punch Shaft CW Rotation by 180 /
by 90 /Hole Made)
Fig. 2-049
(Punch Shaft CCW Rotation by
by 90 /Hole Made)
180 /End of Punching Operation)
Fig. 2-050
798
DP-C405/C305/C265
Punching operation Ends)
FEB 2008
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