Brother HL-2400C Service Manual page 92

( 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
Host
System
The interface connector of this laser printer is connected to the host system as
shown in Fig.4-36.
Main PCB
(Video Controller)
Fig.4-36
IV-43
Operator
Panel
Engine
Controller
DC Power Supply