Service Manual
Troubleshooting
7-10
Samsung Electronics
All Black
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 the drum 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
Digital Printer
Digital Printer
Summary of Contents for SCX-6320F
Page 7: ...Samsung Electronics Service Manual Precautions 1 6 MEMO ...
Page 15: ...Service Manual Reference Information 2 8 Samsung Electronics 2 3 2 A4 2 Pattern ...
Page 18: ...Reference Information Samsung Electronics Service Manual 2 11 MEMO ...
Page 26: ...Service Manual Summary of Product 4 4 Samsung Electronics ...
Page 27: ...Summary of Product Service Manual 4 5 Samsung Electronics ...
Page 70: ...Service Manual Precautions 5 26 Samsung Electronics MEMO ...
Page 131: ...Service Manual Troubleshooting 7 34 Samsung Electronics ...
Page 173: ...Service Manual Exploded View Parts List 8 42 Samsung Electronics MEMO ...
Page 179: ...Connection Diagrams DADF Circuit Diagram 1 4 ...
Page 180: ...Connection Diagrams DADF Circuit Diagram 2 4 ...
Page 181: ...Connection Diagrams DADF Circuit Diagram 3 4 ...
Page 182: ...Connection Diagrams DADF Circuit Diagram 4 4 ...
Page 183: ... COM ...
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