Lexmark 5021-0XX manual Control system structure, Electrical system and function

5021-0XX

Control system structure

Electrical system and function

The engine board controls most of the main electrical parts in this printer.

No.	Control process	Function
1	Print process	Controls print process from paper feed
	control	through paper exit.
2	Laser output	Automatically controls laser output to the
	control	default.
3	Fuser	Controls fuser heater, allowing heated
	temperature	roller to reach default temperature.
	control
4	Toner sensing	Controls sensing of toner empty status.
	control
5	Interface control	Processes the input and output signal with
	(video signal)	external controller computer.
6	Operator panel	Displays printer operation status.
	indicator
7	Error control	Controls safe stop procedures when errors
		occur.

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