Brother International HL-3400CN Service Manual - Page 94
<General>
UPC - 012502526223
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HL-3400CN SERVICE MANUAL (4) Interface Control (a) Interface Type The video interface handles laser image data that corresponds to dots for printing but does not store image data in a buffer. The video data signals of the input image data switches the semiconductor laser diode to form a print image. (b) Interface Connection Operator Panel ... Duplex unit (Option) N Lower Tray(1) Unit (Option) L ower Tray( 2) Unit (Option) Video Interface / DC Power Supply Connector I Printer Engine Controller :C - DC Power Supply Laser Printer Controller (L PC) [Customer design] , Host System Fig. 4-37 The interface connector of this laser printer is connected to the host system as shown in Fig.4-37.
HL-3400CN
SERVICE
MANUAL
(4)
Interface
Control
<General>
(a)
Interface
Type
The
video
interface
handles
laser
image
data
that
corresponds
to
dots
for
printing
but
does
not
store
image
data
in
a
buffer.
The
video
data
signals
of
the
input
image
data
switches
the
semiconductor
laser
diode
to
form
a
print
image.
(b)
Interface
Connection
Operator
Panel
...
I
Video
Interface
/
DC
Power
Supply
Connector
Duplex
unit
(Option)
Printer
Engine
Laser
Printer
Controller
N
Controller
C
:
—
(L
PC)
Lower
Tray(1)
Unit
(Option)
[Customer
design]
DC
Power
Supply
L
ower
Tray(
2)
Unit
(Option)
,
Fig.
4-37
Host
System
The
interface
connector
of
this
laser
printer
is
connected
to
the
host
system
as
shown
in
Fig.4-37.