5-20
Samsung Electronics
Maintenance & Troubleshooting
It is over the guaranty
life of toner cartridge
(Check the counter
and replace it)
Defective agitator in
the toner supplying part
of developer
->Replace the developer
Check if the ’guide deve
spring’ works OK and
repair/repalce
Check high voltage
output and repair/
replace terminals, HVPS
Irregualrity of toner
suppy from developer
-> Repalce developer
Light distortion due to
the mirror ruined or
LSU’s diffused reflection
-> Replace LSU
NO
NO
YES
YES
YES
YES
NO
NO
OK after
taking out and
rocking the toner
cartridge?
When gray
pattern printing,
irregular density
persists?
transfer/
charge/developing
voltage drops while
printing?
Bad images
aroung the no image
area?
Irregular Density
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 ...