Samsung SCX-4200 To enter the Engine Test Mode, Diagnostic, To enter the Engine Test mode

Alignment and Adjustmens

44. Alignment and Adjustments

This chapter describes some of the main service procedures including:

Using the EDC mode; Clearing paper jam and test patterns.

Much of this chapter is also included in the user's guide.

4.1 Engine Test Mode

The Engine Tests Mode supplies useful functions to check the condition of the engine. It tests the condition of each device and displays the result of the test on the LCD. It is classified into 5 functions (0~4), and are shown below.

4.1.1 To enter the Engine Test Mode

To enter the Engine Test mode

Press “ Menu -> Copies -> -> Menu -> ” in sequence, and the LCD briefly displays 'Engine Test [Diagnostic]', the machine has entered Engine Test Mode.

•To enter a lower menu (Sub menu) Press the Start/Enter key.

•To exit into an upper menu Press the Menu/Exit key.

•To return to the user menu Press the Menu/Exit key.

4.1.2Diagnostic

Main Menu	Engine test		Remark
ENGINE TEST	Motor Test	1	: On, 2 : Off
MTR FAN SOL ETC	PickUp Test	1	: On, 2 : Off
	Fan Test	1	: On, 2 : Off
	Manual Clt Test	1	: On, 2 : Off
	PTL Test	1	: On, 2 : Off
ENGINE TEST	LSU Motor Test	1	: On, 2 : Off
LSU TEST	LSU Hsync Test	1	: On, 2 : Off
	LD Test	1	: On, 2 : Off
ENGINE TEST	Feed Sen Test	Check : Check Start
SENSOR TEST		Next : Next Sensor Check
	Exit Sen Test	Check : Check Start
		Next : Next Sensor Check
	Cover Sen Test	Check : Check Start
		Next : Next Sensor Check
	Empty Sen Test	Check : Check Start
		Next : Next Sensor Check
	Manual Sen Text	Check : Check Start
		Next : Next Sensor Check
ENGINE TEST	Therm ADC 220~85	1	: On, 2 : Off (maintain the fusing temp. 65C~230C)
HEAT TEST
ENGINE TEST	MHV Test	1	: On, 2 : Off (-1550V ± 50V)
HVPS TEST	Dev Bias Test	1	: On, 2 : Off (-430V ± 20V)
	THV EN/NEG Test	1	: On, 2 : Off (-1000V +300V/-150V)
	THV ON (1300V)	1	: On, 2 : Off (+1300V ± 20V)
	THV ADC 1300V	1	: On, 2 : Off
	THV ADC 600V~3550V	1	: On, 2 : Off (Compare each ADC Value)

	Service Manual
		4-1
Samsung Electronics