Brother hl 1650 - B/W Laser Printer Service Manual page 113

(12) Remove the panel light guide, and then remove the key from the panel cover.
Panel cover
(13) Remove the key top A and the key top B form the key.
Panel light guide
Fig. 4-24
Key top B
Fig. 4-25
4-15
&+$37(5  ',6$66(0%/< $1' 5($66(0%/<
key
Key top A
Key