Samsung MultiXpress M537x series - Paper Is Empty in Tray 4. Load Paper; Paper Is Low in Tray 4. Load Paper

4.Troubleshooting
►ErrorCode
H1-1451
H1-1452
►Errormessage
PaperislowinTray4.Loadpaper.
Paperisemptyintray4.Loadpaper.
►Symptom
Paperinthetray4islessthan10%ofspecication./Thephotosensorisdefective.
►Troubleshootingmethod
1)Removetray4.Loadthepaperintray4.
2)Ifpaperisloadedbuterrormessagehasnotdisappeared,checkthefollowing.
a)Removethetray4pickupunit.
b)Checkifthepaperemptysensoriscontaminated.Ifso,cleanit.
c)Ifthepaperemptysensorisdefective,replaceit.
d)Iftheemptyactuatorisdefective,replaceit.
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