PN 9001024
Rev. B Jan. 2000
Page 6-10
SATO CL608 & CL612 SERVICE MANUAL
SECTION 6 – Replacement Procedures
The Stepper Motor is used to transmit motion to the print mechanism for precise
print positioning. The stepper motor transmits torque to the label feed roller, the
platen roller, the ribbon feed roller, and the ribbon rewind spindle via a series of
toothed timing belts and gears.
REMOVE (3)
MOUNTING SCREWS
Fig. 6-16
Fig. 6-17
DETACH CONNECTOR
FROM CIRCUIT BOARD
STEP PROCEDURE
1. Switch the printer OFF and disconnect the power cable.
2. Remove (3) screws holding the left side cover to the
printer. Raise the access door and loosen the (2) screws
on the inside top of the printer. Lift off the left side
cover to expose the main PCB. Refer to Section 4-2.
3. Remove (3) mounting screws holding the stepper motor
to the frame. Detach the motor from the belt. Fig. 6-16
4. Detach the motor cable connector from the main circuit
board. Fig. 6-17
6-5 Replacing the Stepper Motor
5. Remove pulley unit from old
motor and transfer to new unit.
Inspect for wear and replace as
necessary. Fig. 6-18
6. Install replacement motor and
belt. Attach motor cable
connector to main circuit board.
7. Check belt tensions and adjust as
necessary per Section 5-8
8. Replace the left side cover and
reconnect the power cable.
Fig. 6-18
REMOVE PULLEY FROM OLD
UNIT AND TRANSFER OR
REPLACE IF NECESSARY
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