Brother International FAX-170 Service Manual - Page 20
Solenoid, Spring, Solenoid, Clutch, Cutout, engaged, stopper, Planet, Motor, Forward,
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2.3.3 Power transmission for four operation modes Depending upon the solenoid ON/OFF state and the motor rotation direction, the planetary gear train switches the power transmission route for the four operation modes. Solenoid ON/OFF state Solenoid: OFF Spring Clutch arm o Cutout 0 (engaged with stopper of arm A) Motor rotation direction Thk Forward -- ---*, Reverse Motor gear Stopper of arm A Sun gear 18/82 Solenoid Solenoid: ON o Planet gear 20B cO Arm B Planet gear 20A Arm A O Section ®
2.3.3
Power
transmission
for
four
operation
modes
Depending
upon
the
solenoid
ON/OFF
state
and
the
motor
rotation
direction,
the
planetary
gear
train
switches
the
power
transmission
route
for
the
four
operation
modes.
Solenoid
ON/OFF
state
Solenoid:
OFF
Spring
o
Solenoid
Solenoid:
ON
o
O
Clutch
arm
Cutout
0
(engaged
with
stopper
of
arm
A)
Section
®
Planet
gear
20B
Motor
rotation
direction
Motor
gear
Arm
B
Th
k
Forward
--
---*,
Reverse
Stopper
of
arm
A
c
O
Sun
gear
18/82
Planet
gear
20A
Arm
A