Alignment And Adjustments; Engine Test Mode; To Enter The Engine Test Mode - Samsung SCX-4100 Service Manual

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6. 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.

6.1 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.

6.1.1 To enter the Engine Test Mode

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