5-16
Samsung Electronics
Maintenance & Troubleshooting
NO
Black band?
The black
band has regular
interval?
Black band
is far about 10mm from
white band?
Problem of internal
contacts in OPC
-> Replace developer
The OPC is damaged under the
direct sunlight for around 5
minutes -> If the same problem
persists in 10 hours, replace
the developer
This occurs when no
Hsync/ at LSU
-> Replace LSU
75.4 mm interval?
Heat roller is ruined
-> Replace the roller
The OPC is damaged due to
the irregular transfer voltage
of HVPS
-> Repair/replace HVPS
-> If the same problem persists,
replace the developer
Does it appear
at every 56.1mm at
specific place?
Problems of terminal contact,
transfer voltage supplying,
and transfer roller’s due to the
charge roller is ruined (37.7mm)
-> Repair/replace HVPS,
developer
NO
NO
NO
NO
YES
YES
YES
YES
Horizontal Band
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 ...