Brother HL-1850 Service Manual page 123

CHAPTER 4 DISASSEMBLY AND RE-ASSEMBLY
(12) Remove the panel light guide, and then remove the key from the panel cover.
(13) Remove the key top A and the key top B form the key.
Panel light guide
Panel cover
Key top B
Fig. 4-24
Fig. 4-25
4-16
key
Key top A
Key