Samsung ML-2250/XBG Service Manual page 63

Alignment & Adjustments
Code
07 Paper Empty Sensor Test :
The 'ON' LED indicates the status of the main cassette Paper Empty sensor.
08 Feed & Exit Sensor Test
The 'OFF' LED indicates the status of the Exit sensor
The 3 rd LED indicates the status of the Feed Sensor
Note the Feed sensor also detects the presence of the toner cartridge
09 Cover Open Sensor Test
The 'ON' LED indicates the status of the Cover Open sensor.
10 Fuser Test
When {Enter] is pressed the Heat lamp is turned on.
The 'ON' and 'OFF' LEDS indicate the lamp status
11 Hot Burn Test
When the [Enter] button is pressed the printer continuously prints without detection.
Turn the power off to stop this test.
12 Cleaning Mode Print Mode
Causes the 'Cleaning' cycle to be repeated continuously Turn the power off to stop this test..
13 THV(+) TRIGGER. ALL HV :
All high voltage are output to each HV terminal. TheLSU and the fan are started. In this
Mode the electronic resistance of the transfer roller is detected and the THV is checked.
14 PTL Test :
Tests the PTL lamp The 'ON' and 'OFF' LEDS indicate the lamp status.
15 Fan Test :
Tests the Fan The 'ON' and 'OFF' LEDS indicate the fan status.
16 Regi Clutch Test :
Tests the Registration Clutch. The 'ON' and 'OFF' LEDS indicate the clutch status.
17 Regi Senosr Test :
Tests the Registration Sensor. The 'ON' LED indicates the sensor status.
18 MP Pickup Test :
Tests the MP pickup clutch. The 'ON' and 'OFF' LEDS indicate the clutch status.
19 MP Sensor Test :
Tests the MP Paper sensor The 'ON' LED indicates the sensor status.
Service Manual
6-4
Description
Samsung Electronics