Model - Sharp AR-650 Service Handbook

1.11 Installation of Carriage Drive Wire
When the carriage drive wire is replaced, attach the new wire as shown:
CRG-2 pulley
27
Idle pulley
27
1.11.1 Wire tension adjustment
(1) For this model, it is unnecessary to adjust the carriage drive wire tension since its tension spring
maintains constant tension.
Note: Make sure that the tension of the wire on both the front and rear sides is equivalent and
hanged properly.
1.11.2 Adjustment of carriage 1 and carriage 2
(1) Loosen the screws fixing carriage-1 (2
screws; front, rear, 1 screw each) and -2 (2
screws in front) to the wire.
(2) While pressing carriage-2 against the feed
side frame (both A & B), tighten the screws
fixing carriage-2 (front side).
(3) Also while pressing carriages 1 and 2 against
the feed side frame (C & D), tighten the
screws fixing carriage-1.
ADJUSTMENT
CRG-2
CRG-1
1 - 62
Carriage drive wire
Wire windup pulley/motor deceleration pulley
39.75/3GT-Z28
Exit side frame
Carriage-1
C A
Carriage-2
Feed-side frame
Front side
Scanner motor
Motor pulley
3GT-Z24
Idle pulley
27
B D
Rear side