Troubleshooting
Samsung Electronics
4-20
All black in
printing area?
Is charge
voltage supplied
from HVPS?
Is the
Hsync/ signal received
in LSU?
Charge part's contact
is bad -> Repair or
replace toner cartridge
Does the
video data line to LSU
transit to High/Low when
printing?
Replace LSU
Check the path among video
controller, engine board,
HVPS, LSU for the shortage
or open -> Repair or replace
the boards
Repair or replace HVPS
Replace LSU
NO
NO
NO
NO
YES
YES
YES
YES
All Black
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Содержание SF-830
Страница 112: ...Exploded Views and Parts List 5 34 Samsung Electronics ...
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Страница 164: ...4 3 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual Main Circuit Diagram 3 17 ...
Страница 165: ...4 4 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual Main Circuit Diagram 4 17 ...
Страница 166: ...4 5 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual Main Circuit Diagram 5 17 ...
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Страница 172: ...4 11 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual Main Circuit Diagram 11 17 ...
Страница 173: ...4 12 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual Main Circuit Diagram 12 17 ...
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Страница 175: ...4 14 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual Main Circuit Diagram 14 17 ...
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Страница 178: ...4 17 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual Main Circuit Diagram 17 17 ...
Страница 180: ...4 19 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual 4 3 OPE Circuit Diagram D9 ...
Страница 181: ...4 20 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual 4 4 Scan Circuit Diagram ...
Страница 187: ...4 26 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual 4 8 PTL Circuit Diagram ...
Страница 188: ...4 27 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual 4 10 Toner_Rx Circuit Diagram ...
Страница 189: ...4 28 SCHEMATIC DIAGRAMS Samsung Electronics Repair Manual 4 11 Toner_Tx Circuit Diagram ...