Alignment and Adjustmens
Samsung Electronics Service Manual
4-1
4
4
4. 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.

4.1.2 Diagnostic

Main Menu Engine test Remark
ENGINE TEST Motor Test 1 : On, 2 : Off
MTR FAN SOLETC PickUp Test 1 : On, 2 : Off
Fan Test 1 : On, 2 : Off
Manual Clt Test 1 : On, 2 : Off
PTLTest 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)
HEATTEST
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)