Engine Test Mode; To Enter The Engine Test Mode - Dell 1600n - Multifunction Laser Printer B/W Service Manual

6.5 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.
Outline
- In order to enter "Engine Test " mode,,the method should be especial because this mode is developed for related
engineers, not for users
- After Entering the mode,the message,"Engine Test Mode " is displayed..
- On the mode,an engineer should press the "Menu Key=>#=>1=>9=>3=>1 " to search each function he would
like to test..
- Turn the power off,after the test is entirely end.

6.5.1 To enter the Engine Test Mode

To enter the Engine Test mode
Press
'Engine Test', the machine has entered Engine Test Mode.
6.5.2 Diagnostic
NO. Sub No.
0 1
2
3
4
5
1 1
2
3
2 1
2
3
4
5
3 1
2
3
4
4 1
2
3
4
5
6
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 180
Therm ADC 140
Therm ADC 120
Therm ADC 100
MHV Test
Dev Bias Test
THV EN/NEG Test
THV ON (1300V)
THV ADC 1300V
THV ADC 600V~3500V
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. 80C)
1 : On, 2 : Off (maintain the fusing temp. 135C)
1 : On, 2 : Off (maintain the fusing temp. 160C)
1 : On, 2 : Off (maintain the fusing temp. 191C)
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 (ADC Value : 101 ± 5)
1 : On, 2 : Off (Compare each ADC Value)
Remark
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