Brother MFC-J3520 Service Manual page 145

[ 3 ] Disconnecting Cables, Removing Accessories, and Setting the Protective Part
Before starting disassembly, perform the following procedure.
(1) Disconnect the following:
- Telephone line cord, if connected
- Power cord (for 200 V models)
- USB cable, if connected
- LAN cable, if connected
- External memory card, if connected
(2) Remove the following:
- Paper tray ASSY #1
- Paper tray ASSY #2
- Ink cartridges
- LAN port cap
- EXT cap
LAN port cap
Telephone line cord
EXT cap
Paper tray ASSY #2
3-25
Ink cartridges
Paper tray ASSY #1
Confidential