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Samsung SCX-3400 All-in-one Laser printer SAMSUNG - Page 3 Questions & Answers
Prints blank in black
your printer high voltage power supply board voltage is not correct .so please check the hups board
Has a lsu error
Dear Ian
Pl. open the LSU and clean the optical path and polygon motor with a dry cotton lint free cloth. If not resolver then replace the LSU.
Thanks.
Has a lsu error
LSU stands for laser beam scanning unit. You will most likely have to replace it.
Black line vertical while scan and photocopy a document
does it happen when you put it on the glass or only thru the document feeder? if only when you use the doc feeder then it is something on the slit glass the small piece of glass about an inch wide next to the big sheet of glass. some times ink from a pen od dirt gets baked on the slit glass. it can be hard to get off but if you look closly then you can see it and clean it off.
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