Specifications
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1. Turn the printer Off (2). Disconnect the battery charger.
2. Slide the battery compartment door open and remove the battery.
3. Open the media access door and remove any media.
4. Stand the printer on a flat surface with the front facing you.
5. Refer to Figure 4-10. Remove the printhead assembly by first lifting the printhead
off the platen roller. Gently bend in one of the printhead pivot arms. Carefully pull
the printhead assembly out of the print mechanism module far enough to gain access
to the cabling.
6. Refer to Figure 4-11. Loosen, but do not remove, the screw securing the ground
wire(s). Remove the ground wire(s).
7. Carefully slide the head-open switch wire off the spade lug on the printhead.
8. Refer to Figure 4-12. Carefully slide the 16-pin connector off the printhead.
9. Refer to Figure 4-11. (PT400 only) Carefully slide the 4-pin connector off the
ribbon sensor board.
10. Set the printhead assembly on the antistatic mat.
11. Close the media access door and set the printer down with the back facing up.
12. Remove the two shoulder strap screws indicated in Figure 4-3. Set the shoulder
strap, the two shoulder strap sleeves, and the two shoulder strap screws aside.
13. Remove the cover mounting screws.
14. Lift the rear cover off and set it aside.
15. Refer to Figure 4-4 on page 4-10. Disconnect J2 (motor harness) and J1 (printhead
harness) from the power supply board.
16. Refer to Figure 4-6 on page 4-12. Grasp the print mechanism module near the
access door front. Pivot it up (the bottom of the print mechanism module is still
inside the printer cover front) and lift straight up.
17. Set the replacement print mechanism module into the front cover, with the media
access door facing down, by holding it at the top near the access door. Slide in the
bottom of the print mechanism first.
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