Brother International HL 760 Service Manual - Page 10

NC.

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CHAPTER II THEORY OF OPERATION 1. ELECTRONICS 1.1 General Block Diagram Fig. 2.1 shows a general block diagram of this printer. External device e N e Optional RAM (SIMM) (max. 32Mbytes) Optional I/F board (Mac. RS-232C) Control system 1 External device ell III.N . ir) O 0 0- 0 0 .0 CO >, Expansion memory I/O N Video control block Expansion I/O r IInterface block V' 0- Z 0- ? (1) _O i ''' 11. 1.1 Engine control block e Operation block (Operation panel) L Erase lamp r [ Laser scanner unit I II Drive block (Stepping motor) L. , / .... .. .,, Paper tray unit Paper tray e / Drum unit e N Transfer block • / Manual feed / / N Developing block i Drum C.Charging block } ( Cleaner block Toner cartridge F unit e Paper eject block •. L Paper feed system ., Image generation system L J Fig. 2.1

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CHAPTER
II
THEORY
OF
OPERATION
1.
ELECTRONICS
1.1
General
Block
Diagram
Fig.
2.1
shows
a
general
block
diagram
of
this
printer.
ell
III.N
.
ir)
O
0
0-
0
0
.0
CO
>,
V' 0-
Z
0-
?
(1)
O
_i
e
N
e
Optional
RAM
(SI
MM)
Optional
I/F
board
(max.
32Mbytes)
(Mac.
RS
-232C)
Control
system
''
'
11
.
1.
1
L
I
II
/
L
Expansion
memory
I/O
Video
control
block
Expansion
I/O
N
r
I
Interface
block
Engine
control
block
e
Operation
block
(Operation
panel)
External
device
1
External
device
[
Laser
scanner
unit
e
r
Erase
lamp
L.
Drive
block
(Stepping
motor)
Drum
unit
e
N
Transfer
block
•
/
/
N
Developing
block
i
Drum
C.
Charging
block
}
(
Cleaner
block
Toner
cartridge
Image
generation
system
Fig.
2.1
J
/
,
....
..
.,,
Paper
tray
unit
Paper
tray
/
F
Manual
feed
unit
e
Paper
eject
block
•.
L
Paper
feed
system
.,