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ENWW Punch section 13
Punch kit unit explanation
Mechanisms
Punch control
The movement of the punch unit is driven by
M802 (punch shift) and the punching
operation is driven by M801 (punch). M801
is DC motor, and rotates once per punch.
Related signals are PS801 (punch HP),
PS803 (punch shift HP), and paper edge
sensor.
1 Operation
The punching operation can be divided
into the movement of the punch unit and
the punch movement that makes holes. In
the punch mode, these movements are
performed for every sheet of paper, while
in the non-punch mode these are not
performed. However, the movement of the
punch unit is performed for some paper
sizes even in the non-punch mode.
a Searching the standby home position of
the punch unit
With power turned on, M802 (punch
shift) runs to move the punch unit to the
position where PS803 (punch shift HP)
is turned on, which makes a standby
state. This position becomes the
standby home position of the punch
unit.
b Moving the standby position of the
punch unit
When the punch mode is selected,
M802 (punch shift) runs to move the
punch unit so that the paper edge
sensor mounted on the punch unit is
located inside of the side edge of paper
by 5 mm. However, if the paper size is
Letter, Legal, or 5.5 by 8.5R, the sensor
is positioned by 10 mm inside. Either of
these positions becomes the standby
position in the punch mode.
The above operation is not generally
performed in the non-punch mode,
however, for the paper sizes shown
below, the punch unit is moved to the
position located inside of the side edge
of paper by 10 mm in order to secure
the easy feeding of paper when
conveyed.
2 holes / 4 holes / Inch 2 holes /
Swedish 4 holes MFPs:
B6 / 16K
3 holes MFP:
Letter / 8.5 by 14 / 5.5 by 8.5R / A5R /
A4
Mechanism Method
Back-and-forth movement
of punch unit
Punch motor (M801)
Eccentric cam
Drive arms
Punch edges
Punch unit movement Punch shift motor (M802)
Concurrent use of Gear /
Rack
M802
M801
PS803
PKDBFNS CB
24V
24V
M802 DRVA
M802 DRVA
M802 DRVB
M802 DRVB
PS803 5V
PS803 IN
PS803 SG
5V
IN1
IN2
IN3
IN4
IN5
SG
M801 DRV1
M801 DRV2
PS801 5V
PS801 IN
PS801 SG
PS801
OUT-1
OUT-2
OUT-3
OUT-4
OUT-5
OUT-6
OUT-7
OUT-8
OUT-9
OUT-10
PKSET
PKSET2
M801 CONT
M801 F/R
SIG_1
SIG_2
SIG_3
SIG_4
SIG_5
SIG_6
SIG_7
SIG_8
SIG_9
SIG_10
5V
SG
24V
PG
PS801
PAPER
EDGE
SENSOR