SATO CL412E service manual Replacing the Stepper Motor, Detach Connector Remove Screws

Section 6. Replacement Procedures

6.5 Replacing the Stepper Motor

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 pulleys and timing belts.

STEP PROCEDURE

1.Switch the printer OFF and disconnect the power cable.

2.Raise the access door and remove (2) screws holding the side cover to the inside frame. Figs. 6-1

3.Remove (2) screws holding the side cover to the outside frame. Remove the cover to expose the electronics.

4.Detach the connector from the motor to the main PCB.

5.Remove (4) mounting screws attaching the stepper motor to the motor bracket. Disengage the belt. Figs. 6-10

6.Remove and replace the stepper motor.

7.Check belt tension and adjust as necessary per Section 5.8.

8.Replace the cover and reconnect the power cable.

DETACH CONNECTOR

REMOVE (4)

SCREWS

Figs. 6-10	STEPPER
	MOTOR

PN 9001078	SATO CL408e/CL412e Service Manual	Page 6-11
Rev. B