Brother P-touch QL-710W Service Manual page 25

(4) Push the two ribs of the upper cover inward, and remove the two bosses of the
top cover ASSY.
4a
Upper cover
Fig. 3.4-3 Removing the Thermal Tape and the Top Cover ASSY (3)
(5) Turn the top cover ASSY while pulling the link lever, and align the tab of the boss
with the groove of the link lever, and then remove the link lever from the top cover
ASSY.
Link lever
Fig. 3.4-4 Removing the Thermal Tape and the Top Cover ASSY (4)
Top cover ASSY
Bosses
4b
4a
Ribs
Boss
Tab
Groove
Rib
4b
5b
5a
III - 6
Top cover ASSY
Rib
Upper cover
Top cover ASSY