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
Содержание ML-5000A
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Страница 83: ...OPE Panel ML 5000A G 7 11 Samsung Electronics Schematic Diagrams ...
Страница 84: ...Engine ML 5000A G 1 3 7 12 Samsung Electronics Schematic Diagrams ...
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Страница 86: ...Engine ML 5000A G 3 3 7 14 Samsung Electronics Schematic Diagrams ...
Страница 87: ...Joint Board ML 5000A G 7 15 Samsung Electronics Schematic Diagrams ...
Страница 91: ...7 7 Sensor ML 5000A G 7 19 Samsung Electronics Schematic Diagrams ...
Страница 92: ...7 8 Switch ML 5000A G 7 20 Samsung Electronics Schematic Diagrams ...
Страница 93: ...7 9 PTL ML 5000A G 7 21 Samsung Electronics Schematic Diagrams ...
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