Samsung SCX-4200 Series - S;W Structure and Descriptions

System Overview
Samsung Electronics
Service Manual
3-19
3.3 S/W Structure and Descriptions
3.3.1 Architecture
The following diagram shows the Engine Control System.
Fig 1. The architecture of the engine firmware
Main F/W of the printer controller
Print Interface Control Module
Engine Print Processing
Control Module
Engine Unit Control Module
Hardware Devices
& Mechanical Device
Power On
Initial
Engine Firmware
Device Units
Sensors signals
Fuser Unit
LSU
HVPS
Fan Unit
Motors
Solenoid &
Clutch