588
JAN 2006
Ver. 5.2
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
2. 2- / 3-hole Dual Use Type
At the home position, the Punch Home Position Sensor is ON. To punch two holes, punching of the first
sheet ends when the punch shaft half peripheral area has rotated in the forward direction 180°, and the
state of the Punch Home Position Sensor has changed from OFF to ON. At this time, the 3-hole
puncher is moved reciprocally in the escape direction (hole puncher rise direction) on the remaining
half peripheral area on the Punch Shaft.
Punching of the second sheet ends when the punch shaft half peripheral area has rotated in the
reverse direction 180°, and the state of the Punch Home Position Sensor has changed from OFF to
ON. Also at this time, the 3-hole puncher is moved reciprocally in the escape direction (hole puncher
rise direction) on the remaining half peripheral area on the Punch Shaft. To punch three holes, the 2-
Hole Puncher is moved reciprocally in the escape direction (hole puncher rise direction).
The following illustrates punching when two sheets are punched with two holes.
a. A hole is punched in the trailing edge of the first sheet.
Fig. 4-008
When two holes are punched, the 3-Hole Puncher is fed reciprocally in the escape direction (hole
puncher rise direction) as shown below.
Fig. 4-009
Punch Trash
Sensor Flag
Punch Home
Position
Sensor (PI3P)
Punch Shaft
Eccentric
Cam
Hole
Puncher
Sheet
Die
Die
[punch shaft
stopped/home
position]
[punch shaft is
rotated 90 in the
forward direction/
hole punched]
[punch shaft is rotated
180 in the forward
direction/punch
operation completed]
[punch shaft
stopped/home
position]
[punch shaft is
rotated 90° in the
reverse direction/
hole puncher rises
to topmost position]
[punch shaft is rotated
180° in the reverse
direction/hole puncher
returns to original
position]
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