Dell 1815 Mono Laser Service Manual page 88

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
Service Manual
6-18
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.