5-12
Samsung Electronics
Maintenance & Troubleshooting
Dark selected
via RCP?
Change to
Normal and test
Works cor
with -350V of Bias
voltage?
Works
correctly after
replaced LSU?
Repair or replace the defective
component
The power of LSU is set
high or internal problem
-> Replace LSU or adjust
voluem
Same at Normal?
END
NO
NO
NO
Toner over supply due to the
adjustment fault of metering
blade in developer
-> Replace developer
NO
YES
YES
YES
YES
Dark Image
Summary of Contents for SF 5100
Page 10: ...2 6 Samsung Electronics Specification Memo ...
Page 16: ...3 6 Samsung Electronics Tech Mode Memo ...
Page 40: ...4 24 Samsung Electronics Disassembly and Reassembly Memo ...
Page 115: ...MEMO Samsung Electronics 8 2 ...
Page 116: ...PCB Diagrams Samsung Electronics 10 1 10 1 Main PCB Diagram Top 10 PCB Diagrams ...
Page 117: ...PCB Diagrams Samsung Electronics 10 2 10 2 Main PCB Diagram Bottom ...
Page 118: ...PCB Diagrams Samsung Electronics 10 3 10 3Engine PCB Diagram Top ...
Page 119: ...PCB Diagrams Samsung Electronics 10 4 10 4Engine PCB Diagram Bottom ...
Page 120: ...PCB Diagrams Samsung Electronics 10 5 10 5LIU PCB Diagram ...
Page 121: ...PCB Diagrams Samsung Electronics 10 6 10 6OPE PCB Diagram ...
Page 123: ...MEMO Samsung Electronics 9 2 ...
Page 184: ...MEMO Samsung Electronics 8 2 ...
Page 186: ...MEMO Samsung Electronics 9 2 ...
Page 187: ...PCB Diagrams Samsung Electronics 10 1 10 1 Main PCB Diagram Top 10 PCB Diagrams ...
Page 188: ...PCB Diagrams Samsung Electronics 10 2 10 2 Main PCB Diagram Bottom ...
Page 189: ...PCB Diagrams Samsung Electronics 10 3 10 3Engine PCB Diagram Top ...
Page 190: ...PCB Diagrams Samsung Electronics 10 4 10 4Engine PCB Diagram Bottom ...
Page 191: ...PCB Diagrams Samsung Electronics 10 5 10 5LIU PCB Diagram ...
Page 192: ...PCB Diagrams Samsung Electronics 10 6 10 6OPE PCB Diagram ...