TEC SX4T - B B/W Direct Thermal User Manual page 306

10. MAJOR UNIT REPLACEMENT
5) Detach the head up sensor from the head up sensor plate in the following steps.
NOTE: The head up sensor is attached to the plate with the four hooks.
(1) Pull the head up sensor in the direction indicated by the arrow to unhook the two hooks on the
connector side.
(2) Move the head up sensor in the direction indicated by the arrow to unhook the other hooks.
(3) Detach the head up sensor from the plate.
Hook
6) Replace the head up sensor with a new one, then reassemble in the reverse order of removal.
At this time, take care of the following points.
When reassembling, make sure that the head up was attached to the head up sensor plate in the
correct direction.
Fit the positioning tabs of the head up sensor plate into the positioning holes of the printer frame.
Head Up Sensor Plate
Head Up Sensor Plate
Head Up Sensor
Positioning Tab
10-33
10.12 HEAD UP SENSOR
(1)
Positioning Hole
EO18-33012A
(3)
(2)