Samsung SCX4521F Service Manual - Page 80
Detail Description Engine Test Mode, Function Name, Description, Display - lsu error
UPC - 635753616040
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Alignment and Adjustments 4.5.3 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 starts when the execution key is pressed and stops when the stop key is pressed. Automatically stops, when the execution is chosen. stops, when the execution is chosen. The fan starts when the execution key is pressed and stops when the stop key is pressed. 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 lights when the execution key chosen and it stops when the stop key is chosen. The laser motor starts when the execution key is pressed and stops when the stop key is pressed. The LSU motor starts and "Laser Ready" is displayed if the motor spins at the correct speed, otherwise "Laser Error" is displayed. "Diode On" is displayed, when the laser diode is on. Otherwise "Diode Off" is displayed. These functions allow the current state of the sensor to be displayed. This function allows the current state of the Cover sensor to be displayed. Touch the sensor and confirm that the message changes: "Cover Open" to " Cover Close" These functions allow the current state of the sensor to be displayed. "Current value" is displayed on the upper line of the LCD, and "Target value" on the bottom line. Target value is limited from "191°C" to "80°C" These Functions are provided to check whether the control of the HVPS is functioning correctly. 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" or " Sensor On " "Cover Open" or "Cover Close" "Sensor Off" or " Sensor On " Target temperature and output temperature from thermistor and ADC. MHV On/Off Dev Bias On/Off THV EN/NEG On/Off THV On/Off ADC value displayed. ADC value displayed. Samsung Electronics Service Manual 4-20