Brother International FAX-170 Service Manual - Page 22

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

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[ 2 ] Scanning mode (Solenoid: OFF, Motor rotation: Reverse) Just as in the recording mode, the control electronics deactivates the solenoid in the scanning mode to lock arm A. The motor rotates in the reverse direction and the sun gear 18/82 (B) rotates clockwise so that the planet gear 20B (C1) transmits the rotation to the separation roller gear (L) and white pressure roller gear (O) via the several gears. Q Clutch arm Cutout 0 of clutch arm 0 Stopper of arm A C2 (Planet gear 20A) C1 (Planet gear 20B) B (Sun gear 18/82) Arm A Locked by Cutout 0 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 L (Separation roller gear) M O (Front) O O O O O O O (White pressure roller gear) (Front) Active Gears on the Scanner Frame ASSY III - 10

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[
2
]
Scanning
mode
(Solenoid:
OFF,
Motor
rotation:
Reverse)
Just
as
in
the
recording
mode,
the
control
electronics
deactivates
the
solenoid
in
the
scan-
ning
mode
to
lock
arm
A.
The
motor
rotates
in
the
reverse
direction
and
the
sun
gear
18/82
(B)
rotates
clockwise
so
that
the
planet
gear
20B
(C1)
transmits
the
rotation
to
the
separation
roller
gear
(L)
and
white
pressure
roller
gear
(O)
via
the
several
gears.
Q
Clutch
arm
Cutout
0
of
clutch
arm
0
Stopper
of
arm
A
C2
(Planet
gear
20A)
C1
(Planet
gear
20B)
B
(Sun
gear
18/82)
Arm
A
Locked
by
Cutout
0
of
Clutch
Arm
A
(Motor
gear)
Solenoid
O
C1
(Planet
gear
20B)
B
(Sun
gear
18/82)
Active
Gears
on
the
Drive
Unit
L
(Separation
roller
gear)
O
O
O
O
O
O
0
M
O
O
(Front)
O
(White
pressure
roller
gear)
(Front)
Active
Gears
on
the
Scanner
Frame
ASSY
III
-
10