Brother HL-4000CN Service Manual page 141

2.1.4 Cover MSI
1) Close the front cover.
2) Open the cover MSI.
3) While pulling the left hand side of the cover MSI, release the boss of the tray ASSY
base from the slot in the cover MSI.
4) Repeat for the right hand side.
5) Lower the front of the cover MSI unit the cover MSI releases from the printer.
Tray ASSY base
2.1.5 Tray ASSY base
1) Check that the plate ASSY bottom MSI is shifted down.
2) Remove the tray ASSY base, by pushing inward, lifting it upwards, and pull it out
forwards.
Tray ASSY base
Cover MSI
Fig.4-10
Plate ASSY bottom MSI
Fig.4-11
IV-9