5-6
Samsung Electronics
Maintenance & Troubleshooting
Vertical black line and band
YES
NO
YES
OK after
replacing the LSU?
Remove part on the paper
path causing the trouble
NO
OK after replacing
developer?
Any obstacles on
the developer blocking
the laser beam.
OK after
removing the
obstacles?
Any obstacles ON
mirror lens of LSU and
laser path?
Remove the obstacles.
Replace the LSU
Replace the developer
END
YES
YES
YES
NO
NO
NO
5-5 Troubleshooting Flow Chart
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 ...