TEC SX4T - B B/W Direct Thermal User Manual page 291

10. MAJOR UNIT REPLACEMENT
3) Remove the two SMW-3x8 screws to detach the print head ass'y from the head bracket.
4) Open the printer block. (Refer to Section 3.3.)
NOTE: At this time, be sure to support the bottom of the print head so as not to drop onto the
platen. Failure to do this may cause the print head and the platen to be damaged.
5) Pull the print head ass'y in the direction indicated by the arrow. And then disconnect the two
harnesses to detach the print head ass'y.
Print Head Ass'y
SMW-3x8 Screw
SMW-3x8 Screw
Printer Block
10-18
10.7 PRINT HEAD
Head Bracket
Print Head Ass'y
Print Head Harness
EO18-33012A