Samsung SF-830 Service Manual

Also see for SF-830: Service manual User guide User guide

Troubleshooting4-14 Samsung Electronics4-6 ENGINE TEST MODEThe Engine Tests Mode supplies useful functions to check conducting condition of engine. It tests the con-ducting condition of each device and displays the result of the test at the LCD. It is classified in 6. items (0~5),and the functions of items are as bellows.4-6-1 To enter the Engine Test ModePress MENU, #, 1, 9, 3, 1 in sequence, and the LCD briefly displays ‘T’, the machine has entered service(tech) mode.4-5-2 Diagnostic4-5-3 ENGINE PRINTWhen the function is on, sentence to explain the condition of engine is printed in the below section of the printing output. Itis needed in the development progress. Service person doesn't need to use it.4-7 TroubleshootingNo. Sub No. Engine test0 1 Motor Test 1: On, 2: Off2 PTL Test 1: On, 2: Off3 Fan Tes t 1: On, 2: Off4 Fus er Test 1If its temperature is lower than the Standby(160 C), the fuser is on, but if it is higher thanthe Standby, the fuser is off.: On, 2: Off1 1 LSU Motor Test 1: On, 2: Off2 LSU Hsy nc Test 1: On, 2: Off3 LD On Test 1: On, 2: Off4 LSU Operation 1: On, 2: Off2 1 Feed Sensor Tes t Sensor O n : FEED SENSOR ON DisplaySensor O ff : FEED SENSOR OFF Display2 Exit Sensor Test Sensor O n : EXIT SENSOR ON DisplaySensor O ff : EXIT SENSOR OFF Display3 Cov er Sensor Tes t Sensor O n : COVER SENSOR ON DisplaySensor O ff : COVER SENSOR OFF Display4 1’st CAST Empty Test Sensor O n : 1’s t PAPER Empty DisplaySensor O ff : 1’s t PAPER No Empty Display5 MP Empty Sen Test Sensor O n : MP PAPER Empty Dis playSensor O ff : MP PAPER No Empty Display6 BIN FULL Sen TEST Sensor O n : BIN FULL SEN ON DisplaySensor O ff : BIN FULL SEN O FF Display3 1 1’st CAST Solenoid Test 1: On, 2: Off2 MP Solenoid Test 1: On, 2: Off3 Duplex Solenoid Tes t 1: On, 2: Off451 MHV Test 1: On, 2: Off (-1450v)2 Dev Bias Test 1: On, 2: Off (-450v)3 THV EN/NEG Tes t 1: On, 2: Off1: On, 2: Off1Sensor On : SCF Paper Empty DisplaySensor Off : SCF Paper No Empty DisplaySCF installed : SCF READY ONSCF not installed : SCF READY OFF: On, 2: Off4 THV Tes t 1: On, 2: Off (1300v)5 TSCF Motor TestSCF Solenoid TestSCF Paper Empty TestSCF Installed TestHV Trigger Test 11234: On, 2: Off6 1 All Function Test For SMD Test, Pus h up k ey : Next functionAll Function : No.0~4Remark