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Troubleshooting
4-1
Samsung Electronics
4. Troubleshooting
4-1 How to use DCU
4-1-1 DCU Setup......................................Page(4-2)
4-1-2 Code ................................................Page(4-2)
4-1-3 Self Diagnostic Mode......................Page(4-3)
4-1-4 Self Test Button ................................Page(4-4)
4-1-5 Paper Path Layout...........................Page(4-4)
4-1-6 DCU Panel .......................................Page(4-5)
4-2 The cause and solution of Bad image
4-2-1 Vertical Black Line and Band ..........Page(4-6)
4-2-2 Vertical White Line ...........................Page(4-6)
4-2-3 Horizontal Black Band .....................Page(4-7)
4-2-4 Black/White Spot..............................Page(4-7)
4-2-5 Light Image.......................................Page(4-8)
4-2-6 Dark Image or a Black.....................Page(4-8)
4-2-7 Uneven Density................................Page(4-9)
4-2-8 Background ......................................Page(4-9)
4-2-9 Ghost (1)...........................................Page(4-10)
4-2-10 Ghost (2)..........................................Page(4-10)
4-2-11 Ghost (3)..........................................Page(4-11)
4-2-12 Ghost (4) .........................................Page(4-11)
4-2-13 Satins on the Face of Page............Page(4-11)
4-2-14 Satins on Back of Page..................Page(4-12)
4-2-15 Blank Page Print out (1) .................Page(4-12)
4-2-16 Blank Page Print out (2) .................Page(4-12)
4-3 The cause and solution of the bad discharge
4-3-1 Wrong Print Position.......................Page(4-13)
4-3-2 JAM 0...............................................Page(4-13)
4-3-3 JAM 1...............................................Page(4-14)
4-3-4 JAM 2...............................................Page(4-14)
4-3-5 Multi-Feeding...................................Page(4-15)
4-3-6 Paper rolled in the fuser .................Page(4-15)
4-3-7 OPC.................................................Page(4-16)
4-4 The cause and solution of the malfunction
4-4-1 All LEDs blinking (Fuser Error)........Page(4-17)
4-4-2 All LEDs blinking (SCAN ERROR) .Page(4-17)
4-4-3 Not function of the gear of the fuser due to
melting away.....................................Page(4-18)
4-4-4 Paper Empty.....................................Page(4-18)
4-4-5 Paper Empty without indication.......Page(4-18)
4-4-6 Cover Open......................................Page(4-19)
4-4-7 No lamp on when the cover is open
...........................................................Page(4-19)
4-4-8 Defective motor operation ...............Page(4-20)
4-4-9 No Power..........................................Page(4-20)
4-4-10 Vertical Line Getting Curved .........Page(4-21)
4-5 Toner Cartridge Service
4-5-1 Precautions on Safe-keeping of Toner Cartridge
..........................................................Page(4-22)
4-5-2 Service for the Life of Toner Cartridge
..........................................................Page(4-22)
4-5-3 Service for Judgement of Inferior Expendables
and the Standard of Guarantee .....Page(4-22)
4-5-4 Signs and Measures at Poor toner cartridge
..........................................................Page(4-23)
4-6 The cause and solutions of bad environment
of the software
4-6-1 The printer is not working (1)...........Page(4-26)
4-6-2 The printer is not working (2) .........Page(4-27)
4-6-3 Abnormal Printing.............................Page(4-28)
4-6-4 SPOOL Error ...................................Page(4-29)