Brother P-touch QL-1050 Service Manual page 31

(4) Push the hooks inwards to release them and remove the back cover from the machine.
Fig. 3.1-3 Removing the Top Cover ASSY and Thermal Tape (3)
(5) Slide the two top cover shafts inwards to remove them, and remove the top cover ASSY.
Fig. 3.1-4 Removing the Top Cover ASSY and Thermal Tape (4)
Hook
III- 6
Hook
Back cover
Top cover ASSY
Top cover shaft