TEC B-SP2D Series Maintenance Manual page 10

2. MAIN UNIT REPLACEMENT
6) Remove the stepping motor ass'y and the ATC-battery terminal ass'y from the drive PC board.
7) Remove the two SMW-2x6 screws to remove the stepping motor from the motor bracket.
8) After replacing the drive PC board and the stepping motor ass'y with the new ones, reassemble in the reverse
order of removal.
NOTES: 1. When reassembling the stepping motor ass'y, fit the positioning pins into the mounting hole of the motor
bracket as the figure below shows.
2. For the GH20 model, when attaching the motor braket to the printer, make sure that the earth spring
on the motor braket comes in contact with the printer's earth plate.
Earth Spring
Printer's Earth Plate
2.2 REPLACING THE DRIVE PC BOARD AND THE STEPPING MOTOR ASS'Y
Stepping Motor
Motor Bracket
Positioning Pin
2-6
SMW-2x6 Screw
Positioning Pin
Motor Bracket
EO18-33014
(Revision Date: Mar. 10, 2006)