Theory Of Operation; General Block Diagram - Brother HL-7050 Service Manual

CHAPTER 3

THEORY OF OPERATION

1. ELECTRONICS
1.1

General Block Diagram

Fig. 3-1 shows a general block diagram of the HL-7050/7050N printer.
Expansion
memory
(DIMM 2 slot)
HDD
(Option)
Control panel
IMAGE FORMATION SYSTEM
PAPER PICK-UP/FEED SYSTEM
Compact Flash
Main PCB
Engine PCB
Photosensitive drum
Cleaning unit
Transfer
separation
Optional
Network Board
(NC-4100h)
Standard for HL-7050N
CONTROL SYSTEM
Laser unit
Developing
unit
LASER SYSTEM
unit
MP tray
Tray 1
Tray 2
(Option)
Tray 3
(Option)
Tray 4
(Option)
Fig. 3-1
3-1
HL-7050 SERVICE MANUAL
External Device
(Serial, Parallel,
USB)