Confidential
3-38
(4) Interface Control
<General>
1) Interface type
This document describes the video and command/status Interface between video
controller and engine controller. Printer controller acts as a slave to video controller.
Through video interface, video controller controls the printer & operator panel using
command/status communication and transmits the synchronized video data to printer
laser diode. Operator panel is physically resident on the engine.
2) Interface connection
The interface connector of this machine is connected to the host system as shown
in Fig.3-37.
Interface Circuit (Internal Connecting System)
Operator
Panel
Duplex unit
(Option)
Lower Feeder
Unit (Option)
DC Power Supply
Printer
Engine
Controller
Video Controller
Video Interface/DC Power Supply Connector
Host
System
+5V (1A max)
+3.3V (1A max)
Fig. 3-37
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