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Maintenance & Troubleshooting
Irregular Density
OK after
taking out and
rocking the toner
cartridge?
YES
It is over the guaranty
life of toner cartridge
(Check the counter
and replace it)
4-18
When gray
NO
pattern printing,
irregular density
persists?
YES
Bad images
aroung the no image
area?
YES
Light distortion due to
the mirror ruined or
LSU's diffused reflection
-> Replace LSU
transfer/
NO
charge/developing
voltage drops while
printing?
YES
Check high voltage
output and repair/
replace terminals,
Engine B'd
Irregualrity of toner
NO
suppy from developer
-> Repalce developer
Defective agitator in
NO
the toner supplying part
of developer
->Replace the developer
Check if the 'guide deve
spring' works OK and
repair/repalce
Samsung Electronics
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