Dell 1815dn Service Manual - Page 88

Detail DescriptionEngine Test Mode, Laser Leady is displayed, When the Laser Scanning

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Alignment & Adjustments 6.5.3 Detail Description(Engine Test Mode) Function Name 01.Motor Test 02.Pick Up Test 03.Fan Test 04.Manual Clutch Test 05.PTL Test 11.LSU Motor 12.LSU Hsync Test 13.LD Test 21.Feed Sen Test 22.Exit Sen Test 23.Cover Sen Test 24.Empty Sen Test 25.Manual Sen Test 31.Them ADC 180 32.Them ADC 140 33.Them ADC 120 34.Them ADC 100 41.MHV Test 42.Dev Bias Test 43.THV EN/NEG Test 44.THV ON(1300V) 45.THV ADC 1300V 46.THV ADC 600V~3500 Description The main motor keeps running after the execution key is chosen and stops when the stop key is chosen. automatically stops, when the execution is chosen. The fan keeps running after the execution key is chosen and stops when the stop key is chosen. The tray2,3 clutch is on for 1sec and then it automatically stops, when the execution is chosen.On this function, the main motor runs before 2sec from the point of the clutch on in order to check the clutch state. PTL(Pre-Transfer Lamp) is on after the execution key is chosen and it stops when the stop key is chosen. Test The laser motor keeps running after the execution key is chosen and stops when the stop key is chosen. "Laser Leady" is displayed, When the Laser Scanning Unit is ready to print. On the other case "Laser Error" "Diode On" is displayed, when the laser diode is on. On the other case "Diode Off" is displayed. These Functions are considered to check the present state (normal or not)of the Sensors. After the cover is open, touch the sensor and confirm the message changed "Cover Open" to " Cover Close" These Functions are considered to check the present state (normal or not)of the Sensors. "current value"is displayed on the upper line of the panel, and "target value"on the bottom line. Target value is limited from "191°C" to "80°C" These Functions are considered to check whether the control for HVPS is normal or not. Display Main Motor On(Off) Tray 1,2 Solenoid On/Off Fan On(Off) Tray 2,3 Clutch On/Off PTL On(Off) Laser Motor On(Off) Laser Leady On(Off) Diode On(Off) "Sensor Off"to " Sensor On " "Cover Open" to "Cover Close" "Sensor Off"to " Sensor On " Input and output value are ADC value.(refer to the ADC table) MHV On(Off) Dev Bias On(Off) THV EN/NEG On(Off) THV On(Off) ADC value displayed. ADC value displayed. 6-18 Service Manual

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Service Manual
Alignment & Adjustments
6-18
6.5.3 Detail Description(Engine Test Mode)
Function Name
Description
Display
01.Motor Test
The main motor keeps running after the execution key is
Main Motor On(Off)
chosen and stops when the stop key is chosen.
02.Pick Up Test
automatically
Tray 1,2 Solenoid On/Off
stops, when the execution is chosen.
03.Fan Test
The fan keeps running after the execution key is chosen
Fan On(Off)
and stops when the stop key is chosen.
04.Manual Clutch Test
The tray2,3 clutch is on for 1sec and then it automatically
Tray 2,3 Clutch On/Off
stops, when the execution is chosen.On this function,
the main motor runs before 2sec from the point of the clutch
on in order to check the clutch state.
05.PTL Test
PTL(Pre-Transfer Lamp) is on after the execution key is
PTL On(Off)
chosen and it stops when the stop key is chosen.
11.LSU Motor
Test The laser motor keeps running after the execution key
Laser Motor On(Off)
is chosen and stops when the stop key is chosen.
12.LSU Hsync Test
“Laser Leady” is displayed, When the Laser Scanning
Laser Leady On(Off)
Unit is ready to print. On the other case “Laser Error”
13.LD Test
“Diode On” is displayed, when the laser diode is on.
Diode On(Off)
On the other case “Diode Off” is displayed.
21.Feed Sen Test
These Functions are considered to check the present
"Sensor Off"to “ Sensor On ”
22.Exit Sen Test
state (normal or not)of the Sensors.
23.Cover Sen Test
After the cover is open, touch the sensor and confirm
"Cover Open" to "Cover Close"
the message changed “Cover Open” to “ Cover Close”
24.Empty Sen Test
These Functions are considered to check the present
"Sensor Off"to “ Sensor On ”
25.Manual Sen Test
state (normal or not)of the Sensors.
31.Them ADC 180
“current value"is displayed on the upper line of the panel,
Input and output value are
32.Them ADC 140
and “target value"on the bottom line.
ADC value.(refer to the
33.Them ADC 120
Target value is limited from “191°C” to “80°C”
ADC table)
34.Them ADC 100
41.MHV Test
These Functions are considered to check whether the
MHV On(Off)
42.Dev Bias Test
control for HVPS is normal or not.
Dev Bias On(Off)
43.THV EN/NEG Test
THV EN/NEG On(Off)
44.THV ON(1300V)
THV On(Off)
45.THV ADC 1300V
ADC value displayed.
46.THV ADC 600V~3500
ADC value displayed.