Reference 2 Theory Of Operation; General Block Diagram - Brother DCP-7030 Service Manual

REFERENCE 2 THEORY OF OPERATION

1.

GENERAL BLOCK DIAGRAM

(There is not this unit to DCP7030)
(Only MFC7840W)
Control system
Internal RAM
Parallel ROM
Image forming
system
Laser scanner unit
Charging block
Developing unit
ADF unit
FB unit
Battery
Video/Engine
NVRAM
control block
Drum Unit
Transfer block
Exposure drum
Speaker
(Only MFC7320/7340/7440N/
7450/7840N/7840W)
USB host
(Only MFC7840W)
BR network
(Only DCP7045N/
MFC7440N/7840N/7840W)
USB interface block
Drive block
(DC motor)
Paper powder
remove block
Developing block
Toner
Fig. Ref. 2-1
Ref. 2-1
NCU
Phone line
Wireless LAN module
( Only MFC7840W )
External device
Operation block (Panel)
Operation block
(Panel)
Feed system
Paper tray
Fuser unit
Paper eject tray
Confidential