Samsung MultiXpress K7 Series - Vertical Light or White Lines

4.Troubleshooting
4.7.2.VerticalLightorWhiteLines
A.Typicalfaultyimages
B.Troubleshootingprocedure
StepCheckitemAction
1Someforeignsubstanceisstuckbetweenmagneticroller
andBlade.
Notoneronmagneticrollerpartially.
Removeforeignsubstances.
•Makethehook(Transparencysheetis
recommended.)
•Putthehookintothegapbetweenmagneticroller
andBlade.
•Pulloutforeignsubstances.
2DeveloperinDeveunitisemptyorDeveunitlifeis
expired.
Checkthedeveunitremainonsuppliesinformation
report.
Ifitslifeisexpired,replacethedeveunit.
Checkthedeveloperlayeronmagneticrollerisuniform
ornot.
Ifthedeveloperlayerisshortseriously,replacethedeve
unit.
Copyright©1995-2017SAMSUNG.Allrightsreserved.4-184