Brother International FAX-170 Service Manual - Page 24

Brother International FAX-170 Manual

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[ 4 ] Cutter driving mode (Solenoid: ON, Motor rotation: Reverse) The control electronics activates the solenoid to release the stopper of arm A from the clutch arm. When the motor rotates in the reverse direction, the sun gear 18/82 (B) rotates clockwise so that the planet gear 20A (C2) transmits the rotation to the cutter gear (Q) via gear P. Since the planet gear 20B (C1) is blocked by the section 0 of the clutch arm, it is merely idle without engaging with any other gear. 0 Clutch arm 0 Stopper of arm A C2 (Planet gear 20A) Section C) of clutch arm Arm B C1 (Planet gear 20B) .4.-----/ B (Sun gear 18/82) Arm B Blocked by Section (1) of Clutch Arm A (Motor gear) O o C2 (Planet gear 20A) Q (Cutter gear) O R (Cutter flange) Solenoid 411,-----" B (Sun gear 18/82) 0 0 © (Front) O Active Gears on the Drive Unit ( CD-I 0 (6- © ©O O 0 1 Active Gears on the Scanner Frame ASSY III - 12 I (Reverse gear) H (Platen gear) (Front)

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[
4
]
Cutter
driving
mode
(Solenoid:
ON,
Motor
rotation:
Reverse)
The
control
electronics
activates
the
solenoid
to
release
the
stopper
of
arm
A
from
the
clutch
arm.
When
the
motor
rotates
in
the
reverse
direction,
the
sun
gear
18/82
(B)
rotates
clock-
wise
so
that
the
planet
gear
20A
(C2)
transmits
the
rotation
to
the
cutter
gear
(Q)
via
gear
P.
Since
the
planet
gear
20B
(C1)
is
blocked
by
the
section
0
of
the
clutch
arm,
it
is
merely
idle
without
engaging
with
any
other
gear.
0
Clutch
arm
0
Section
C)
of
clutch
arm
.4.-
----/
Stopper
of
arm
A
C2
(Planet
gear
20A)
Arm
B
C1
(Planet
gear
20B)
B
(Sun
gear
18/82)
Arm
B
Blocked
by
Section
(1)
of
Clutch
Arm
A
(Motor
gear)
Solenoid
o
O
B
(Sun
gear
18/82)
411,-
----"
C2
(Planet
gear
20A)
©
O
O
0
Active
Gears
on
the
Drive
Unit
(
CD
-I
0
©
©
O
O
(6
-
0
1
Q
(Cutter
gear)
0
R
(Cutter
flange)
(Front)
I
(Reverse
gear)
H
(Platen
gear)
(Front)
Active
Gears
on
the
Scanner
Frame
ASSY
III
-
12