Service manual

MFC-8420/8820D/8820DN, DCP-8020/8025D/8025DN
SERVICE MANUAL
4-19
3.7 ADF Unit
(1) Remove the document tray ASSY.
Fig. 4-30
(2) Disconnect the three connectors.
(3) Remove the cup B M3x10 Taptite screw, and then remove the ground wire.
Fig. 4-31
Taptite, cup B M3x10
Ground wire
Connector
Connector
Connector
Main PCB
Driver PCB ASSY
Document tray ASSY
Hooks
Hooks
1
2