Samsung SCX 6322DN Service Manual - Page 90
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UPC - 635753620658
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Dark Image Digital Printer Digital Printer Troubleshooting NO Dark selected via RCP? YES Change to Normal and test NO Same at Normal? YES Works correctly NO with -450V of Bias voltage? YES Works correctly after NO replaced LSU? YES The power of LSU is set high or internal problem -> Replace LSU or adjust volume END Repair or replace the defective component Toner over supply due to the adjustment fault of metering blade in toner cartridge -> Replace toner cartridge Samsung Electronics Service Manual 6-13
Troubleshooting
Service Manual
6-13
Samsung Electronics
Dark Image
Dark selected
via RCP?
Change to
Normal and test
Works correctly
with -450V of Bias
voltage?
Works
correctly after
replaced LSU?
Repair or replace the defective
component
The power of LSU is set
high or internal problem
-> Replace LSU or adjust
volume
Same at Normal?
END
NO
NO
NO
Toner over supply due to the
adjustment fault of metering
blade in toner cartridge
-> Replace toner cartridge
NO
YES
YES
YES
YES