Question about HP LaserJet Pro 400 MFP M425dn
Posted by Anonymous on
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Posted on Jan 02, 2017
I dont know what kind of copier you have but white vertical lines are virtually always caused by a dirty charge corona.There is usually a little plastic handle, blue, green or grey, that cleans the charge corona.pull it out ONCE, push it back in and try another copy.If you have an operators manual, it should have instructions for cleaning the charge corona.Good Luck, O'scope
Posted on Mar 27, 2009
Open the ADF, the top of the scanner/copier.
The ADF glass is the thin strip of glass on the left. Damp cloth with windex or any glass cleaner. Scrub the strip of glass.
Posted on Jan 29, 2010
SOURCE: Bran new HP m3035 MFP.
Try replacing the toner if you have another one, even old one should be ok to test, if not the look at the toner drum and see if there is any marks on it.
Posted on Jul 13, 2010
SOURCE: The copier feature of my
lift up the feeder on top of machine where your big piece of glass is. to the side of that big glass is a small glass about an inch wide. most likely there is something on it. clean and you should be good to go.
Posted on Jun 01, 2011
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