Brother International FAX 275 Service Manual - Page 20

Clutch, Cutout, clutch, Stopper, Planet, Locked, Motor, Solenoid, Active, Gears, Drive, Front,

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~ 1] Recording mode (Solenoid: OFF, Motor rotation: Forward) In the recording mode, the control electronics deactivates the solenoid. When the motor rotates in the forward direction, the clutch arm turns clockwise with the spring and its cutout 0 becomes engaged with the stopper of arm A. Once arm A is locked, the planet gear 20A (C2) will not be engaged with any other gear but simply idle. The motor rotation turns the sun gear 18/82 (B) counterclockwise so that the planet gear 20B (C1) transmits the rotation via the gears D through G to the platen gear (H). Q Clutch arm Cutout 0 of clutch arm 0 Stopper of arm A 7 C2 (Planet gear 20A) C1 (Planet gear 20B) B (Sun gear 18/82) Arm A Locked by Cutout of Clutch Arm A (Motor gear) O Solenoid C1 (Planet gear 20B) B (Sun gear 18/82) 0 O Active Gears on the Drive Unit O (Front) 0 Oo Oo 0 0 G E O Active Gears on the Scanner Frame ASSY III - 9 H (Platen gear) (Front)

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~
1
]
Recording
mode
(Solenoid:
OFF,
Motor
rotation:
Forward)
In
the
recording
mode,
the
control
electronics
deactivates
the
solenoid.
When
the
motor
ro-
tates
in
the
forward
direction,
the
clutch
arm
turns
clockwise
with
the
spring
and
its
cutout
0
becomes
engaged
with
the
stopper
of
arm
A.
Once
arm
A
is
locked,
the
planet
gear
20A
(C2)
will
not
be
engaged
with
any
other
gear
but
simply
idle.
The
motor
rotation
turns
the
sun
gear
18/82
(B)
counterclockwise
so
that
the
planet
gear
20B
(C1)
transmits
the
rotation
via
the
gears
D
through
G
to
the
platen
gear
(H).
Q
Clutch
arm
0
Cutout
0
of
clutch
arm
7
Stopper
of
arm
A
C2
(Planet
gear
20A)
C1
(Planet
gear
20B)
B
(Sun
gear
18/82)
Arm
A
Locked
by
Cutout
of
Clutch
Arm
A
(Motor
gear)
Solenoid
O
O
C1
(Planet
gear
20B)
O
Oo
0
B
(Sun
gear
18/82)
Active
Gears
on
the
Drive
Unit
Oo
E
0
O
0
G
0
(Front)
H
(Platen
gear)
(Front)
Active
Gears
on
the
Scanner
Frame
ASSY
III
-
9