Troubleshooting
4-20 Samsung Electronics
4.7 Engine Test Mode
The 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.
4-5-1 To enter the Engine Test Mode
Press MENU, #, 1, 9, 3, 1 in sequence, and the LCD briefly displays ‘T’, the machine has entered
service (tech) mode.
No. Sub No. Engine test
0 1 Motor Test 1: On, 2: Off
2 PTL Test 1: On, 2: Off
3 Fan Test 1: On, 2: Off
4 Fuser Test
1
If its temperature is lower than the Standby
(160 C), the fuser is on, but if it is higher than
the Standby, the fuser is off.
: On, 2: Off
1 1 LSU Motor Test 1: On, 2: Off
2 LSU Hsync Test 1: On, 2: Off
3 LD On Test 1: On, 2: Off
4 LSU Operation 1: On, 2: Off
2 1 Feed Sensor Test Sensor On : FEED SENSOR ON Display
Sensor Off : FEED SENSOR OFF Display
2 Exit Sensor Test Sensor On : EXIT SENSOR ON Display
Sensor Off : EXIT SENSOR OFF Display
3 Cover Sensor Test Sensor On : COVER SENSOR ON Display
Sensor Off : COVER SENSOR OFF Display
4 1 st CAST Empty Test Sensor On : 1st PAPER Empty Display
Sensor Off : 1st PAPER No Empty Display
5 MP Empty Sen Test Sensor On : MP PAPER Empty Display
Sensor Off : MP PAPER No Empty Display
6 BIN FULL Sen TEST Sensor On : BIN FULL SEN ON Display
Sensor Off : BIN FULL SEN OFF Display
3 1 1 st CAST Solenoid Test 1: On, 2: Off
2 MP Solenoid Test 1: On, 2: Off
3 Duplex Solenoid Test 1: On, 2: Off
4 1 MHV Test 1: On, 2: Off (-1450v)
2 DevBias Test 1: On, 2: Off (-450v)
3 THV EN/NEG Test 1: On, 2: Off
4 THV Test 1: On, 2: Off (1300v)
5 THV Trigger Test 1: On, 2: Off
5 1 All Function Test
For SMD Test, Push up key : Next function
All Function : No.0~4
Remark
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