Dell 1815dn Service Manual - Page 87

Engine Test Mode, 5.1 To enter the Engine Test Mode, 5.2 Diagnostic

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Alignment & Adjustments 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 in sequence, and the LCD briefly displays 'Engine Test', the machine has entered Engine Test Mode. 6.5.2 Diagnostic NO. Sub No. Engine test 0 1 Motor Test 2 PickUp Test 3 Fan Test 4 Manual Clt Test 5 PTL Test 1 1 LSU Motor Test 2 LSU Hsync Test 3 LD Test 2 1 Feed Sen Test 2 Exit Sen Test 3 Cover Sen Test 4 Empty Sen Test 5 Manual Sen Text 3 1 Therm ADC 180 2 Therm ADC 140 3 Therm ADC 120 4 Therm ADC 100 4 1 MHV Test 2 Dev Bias Test 3 THV EN/NEG Test 4 THV ON (1300V) 5 THV ADC 1300V 6 THV ADC 600V~3500V Remark 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) Service Manual 6-17

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Alignment & Adjustments
Service Manual
6-17
NO.
Sub No.
Engine test
Remark
0
1
Motor Test
1 : On, 2 : Of f
2
PickUp Test
1 : On, 2 : Of f
3
Fan Test
1 : On, 2 : Of f
4
Manual Clt Test
1 : On, 2 : Of f
5
PTL Test
1 : On, 2 : Of f
1
1
LSU Motor Test
1 : On, 2 : Of f
2
LSU Hsync Test
1 : On, 2 : Of f
3
LD Test
1 : On, 2 : Of f
2
1
Feed Sen Test
Check : Check Start
Next : Next Sensor Check
2
Exit Sen Test
Check : Check Start
Next : Next Sensor Check
3
Cover Sen Test
Check : Check Start
Next : Next Sensor Check
4
Empty Sen Test
Check : Check Start
Next : Next Sensor Check
5
Manual Sen Text
Check : Check Start
Next : Next Sensor Check
3
1
Therm ADC 180
1 : On, 2 : Of f (maintain the fusing temp. 80C)
2
Therm ADC 140
1 : On, 2 : Of f (maintain the fusing temp. 135C)
3
Therm ADC 120
1 : On, 2 : Of f (maintain the fusing temp. 160C)
4
Therm ADC 100
1 : On, 2 : Of f (maintain the fusing temp. 191C)
4
1
MHV Test
1 : On, 2 : Of f (-1550V ± 50V)
2
Dev Bias Test
1 : On, 2 : Of f (-430V ± 20V)
3
THV EN/NEG Test
1 : On, 2 : Of f (-1000V +300V/-150V)
4
THV ON (1300V)
1 : On, 2 : Of f (+1300V ± 20V)
5
THV ADC 1300V
1 : On, 2 : Of f (ADC Value : 101 ±
5)
6
THV ADC 600V~3500V
1 : On, 2 : Off (Compare each ADC Value)
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
in sequence, and the LCD briefly displays
‘Engine Test’,
the machine has entered Engine Test Mode.
6.5.2 Diagnostic