Specifications

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10. Set the printhead assembly on the antistatic mat. Close the media access door and
place the printer face down.
11. Remove the two shoulder strap screws indicated in Figure 4-3 on page 4-8. Set the
shoulder strap, the two shoulder strap sleeves, and the two shoulder strap screws
aside.
12. Remove the cover mounting screws.
13. Lift the rear cover off and set it aside.
14. Refer to Figure 4-4 on page 4-10. Disconnect J2 (motor harness) and J1 (printhead
harness) from the power supply board.
15. Refer to Figure 4-15. Disconnect the outer media sensor cable located in the middle
rear of the print mechanism module.
16. Disconnect the inner media sensor cable on the left side frame (motor side) of the
print mechanism module.
17. Grasp the print mechanism module by the media access door top (see Figure 4-6).
Pivot it up (the bottom of the print mechanism module is still inside the printer
cover top) and lift straight up.
18. Place the print mechanism module on a flat surface with the media access door
facing up.
19. Open the media access door.
20. Refer to Figure 4-16. Using your thumbs, gently spread the two side frames of the
print mechanism module apart enough for the access door top to slip off the hinge
pins.
21. Remove the entire wiring harness and top access door from the print mechanism
module.
22. Install the new top access door and harness into the print mechanism module and
slide it against one of the hinge pins. Gently spread the side frame opposite the
hinge pin engaged with the top access door. Slide the top access door into the second
hinge pin.
23. Refer to Figure 4-8 on page 4-14. Install the new wiring harness in the print
mechanism module.
24. Refer to Figure 4-6 on page 4-12. Place the print mechanism module into the front
cover, with the media access door facing down, by holding it at the top near the
media access door. Slide in the bottom of the print mechanism first.
25. Refer to Figure 4-15. Reconnect the outer media sensor cable and Inner Media
Sensor cable.
26. Refer to Figure 4-4 on page 4-10 and replace J2 (motor harness) and J1 (printhead
harness). J2 and J1 are keyed and fit only way. Do not force them into the
connectors.
27. Refer to Figure 4-8 on page 4-14. Route all harnesses to avoid pinching and screw
posts.
28. Refer to Figure 4-7 on page 4-13. Ensure the battery access door is in the slot in the
front cover with the flat side facing in.
29. Replace the rear cover and shoulder strap.