4 ] Cutter Driving Mode (Solenoid: On, Motor Rotation: Reverse) - Brother FAX255 Service Manual

[ 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 Y of the clutch arm, it is merely
idle without engaging with any other gear.
Section Y of clutch arm
C1 (Planet gear 20B)
A (Motor gear)
Solenoid
B (Sun gear 18/82)
Clutch arm
Arm B
Arm B Blocked by Section Y
Active Gears on the Drive Unit
Active Gears on the Scanner Frame ASSY
III – 12
Stopper of arm A
C2 (Planet gear 20A)
B (Sun gear 18/82)
Y of Clutch Arm Y Y
Y
C2 (Planet gear 20A)
Q (Cutter gear)
P
G
R (Cutter flange)
(Front)
I (Reverse gear)
H (Platen gear)
(Front)