Samsung SCX-472 series - Page 112

4.AlignmentandTroubleshooting
7)UnevenDensity
Description:Printdensityisunevenbetweenleftandright.
CheckandcauseSolution
•Thepressureforceontheleftandrightspringsofthe
transferrollerisnoteven.
•Thespringsaredamaged.
•Thetransferrollerisimproperlyinstalled.
1)RemovethetransferrollerAssy.
2)CheckifthetransferrollerAssyhasanywrongpart.
3)ReplacethetransferrollerAssy.
Thetonerlevelisnotevenonthetonercartridgerollerdue
tothebadblade.
Replacethetonercartridge.
8)Background
Description:Lightdarkbackgroundappearsinwholeareaoftheprinting.
CheckandcauseSolution
Doesrecyclepaperbeused?Usetheproperpapers.
ThelifeofthetonercartridgehasbeenexpiredReplacethetonercartridge.
TheoutputfromtheHVPSisabnormal.ReplacetheHVPSboard.
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