4-9
Samsung Electronics
Troubleshooting
OK after
taking out and
rocking the toner
cartridge?
It is over the guaranty
life of toner cartridge.
(Check the counter
and replace it.)
When gray
pattern printing,
irregular density
persists?
PTL lamp
works OK?
Any obstacles
on the PTL lamp?
Transfer/
charge/developing
voltage drops while
printing?
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.
Replace lamp.
Clean the window of PTL.
Bad images
aroung the no image
area?
Irregualrity of toner
suppy from developer.
-> Replace developer.
Light distortion due to
the mirror ruined or
LSU's diffused reflection.
-> Replace LSU.
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
4-2-9 Irregular Density
Summary of Contents for ML-5000A
Page 40: ...5 2 Samsung Electronics Exploded Views and Parts List 5 1 Main Exploded View 75 76 79 78 77 ...
Page 44: ...5 6 Samsung Electronics Exploded Views and Parts List 5 5 Top Cover Exploded View 14 15 ...
Page 54: ...5 16 Samsung Electronics Exploded Views and Parts List 62 5 15 Motor Exploded View ...
Page 58: ...5 20 Samsung Electronics Exploded Views and Parts List Memo ...
Page 72: ...Electrical Parts List 6 14 Samsung Electronics Memo ...
Page 74: ...Controller ML 5000A 1 7 7 2 Samsung Electronics Schematic Diagrams ...
Page 75: ...Controller ML 5000A 2 7 7 3 Samsung Electronics Schematic Diagrams ...
Page 76: ...Controller ML 5000A 3 7 7 4 Samsung Electronics Schematic Diagrams ...
Page 77: ...Controller ML 5000A 4 7 7 5 Samsung Electronics Schematic Diagrams ...
Page 78: ...Controller ML 5000A 5 7 7 6 Samsung Electronics Schematic Diagrams ...
Page 79: ...Controller ML 5000A 6 7 7 7 Samsung Electronics Schematic Diagrams ...
Page 80: ...Controller ML 5000A 7 7 7 8 Samsung Electronics Schematic Diagrams ...
Page 83: ...OPE Panel ML 5000A G 7 11 Samsung Electronics Schematic Diagrams ...
Page 84: ...Engine ML 5000A G 1 3 7 12 Samsung Electronics Schematic Diagrams ...
Page 85: ...Engine ML 5000A G 2 3 7 13 Samsung Electronics Schematic Diagrams ...
Page 86: ...Engine ML 5000A G 3 3 7 14 Samsung Electronics Schematic Diagrams ...
Page 87: ...Joint Board ML 5000A G 7 15 Samsung Electronics Schematic Diagrams ...
Page 91: ...7 7 Sensor ML 5000A G 7 19 Samsung Electronics Schematic Diagrams ...
Page 92: ...7 8 Switch ML 5000A G 7 20 Samsung Electronics Schematic Diagrams ...
Page 93: ...7 9 PTL ML 5000A G 7 21 Samsung Electronics Schematic Diagrams ...