Alignment and AdjustmentsService Manual 6-116.5 Engine Test ModeThe engine test mode supplies functions to check the condition of each device in the print engine and displays theresult of the test on the LCD. It is divided into 5 functions (0 - 4).6.5.1 Entering Engine Test Mode1. Press the following buttons in order: Menu, #, 1, 9, 3, 12. The LCD briefly displays ‘ENGINE TEST’ and the system is now in Engine Test Mode.3. Press 0, 1, 2, 3, or 4 to select the test number.Test Number Sub Number Engine Test Results01 Motor Test 1 : On, 2 : Off – next test selected2 Pick Up Test 1 : On, 2 : Off – next test selected3 Fan Test 1 : On, 2 : Off – next test selected4 Manual Clt Test 1 : On, 2 : Off – next test selected5 PTL Test 1 : On, 2 : Off – next test selected11 LSU Motor Test 1 : On, 2 : Off – next test selected2 LSU Hsync Test 1 : On, 2 : Off – next test selected3 LD Test 1 : On, 2 : Off – next test selected21 Feed Sensor Test 1. Check : read the sensor 2. Next : Next Sensor test2 Exit Sensor Test 1. Check : read the sensor 2. Next : Next Sensor test3 Cover Sensor Test 1. Check : read the sensor 2. Next : Next Sensor test4 Empty Sensor Test 1. Check : read the sensor 2. Next : Next Sensor test5 Manual Sensor Test 1. Check : read the sensor 2. Next : Next Sensor test31 Therm ADC 180 1 : On, 2 : Off (maintain the fusing temp. 80ÞC)2 Therm ADC 140 1 : On, 2 : Off (maintain the fusing temp. 135ÞC)3 Therm ADC 120 1 : On, 2 : Off (maintain the fusing temp. 160ÞC)4 Therm ADC 100 1 : On, 2 : Off (maintain the fusing temp. 191ÞC)41 MHV Test 1 : On, 2 : Off (-1550V ± 50V)2 Dev Bias Test 1 : On, 2 : Off (-430V ± 20V)3 THV EN/NEG Test 1 : On, 2 : Off (-1200V +300V/-150V)4 THV ON (1300V) 1 : On, 2 : Off (+1300V ± 20V)5 THV ADC 1300V 1 : On, 2 : Off (ADC Value : 101 ± 5)6 THV ADC 600V~3500V 1 : On, 2 : Off (Compare each ADC Value)