Power Transmission Route - Brother FAX-170 Service Manual

2.3.4

Power transmission route

Rotation of the motor gear is transmitted as shown below.
Gears on the Drive Unit
Gears on the Scanner Frame ASSY
[ 1 ] Recording Mode (Solenoid: OFF, Motor rotation: forward)
A B
[ 2 ] Scanning Mode (Solenoid: OFF, Motor rotation: reverse)
A B
[ 3 ] Copying Mode (Solenoid: ON OFF, Motor rotation: forward)
A B
[ 4 ] Cutter Driving Mode (Solenoid: ON, Motor rotation: reverse)
A B
K
J
A
B
C1
F
E
D
C1 D E F
C2
(idling)
C1 J K L
C2
(idling)
C1 D E F
C2 K L M
C1 (idling)
C2 P Q ( I
(Reverse-feeds recording paper)
C2
Q
P
L
O
M
N
I
G
H
G H
M N O
G H
N O
G H)
III – 14
A: Motor gear
B: Sun gear 18/82
C1: Planet gear 20B
C2: Planet gear 20A
D: Gear 16
E: Gear 14/20
F: Gear 18
G: Gear 18L
H: Platen gear
I: Reverse gear
J: Gear 20
K: Gear 16/24
L: Separation roller gear
M: Gear 23
N: Flanged gear 23
O: White pressure roller
gear
P: Gear 24
Q: Cutter gear