HP LaserJet 4050N: LaserJet - mysterious brand repeated on paper after the label jam

I have a black and white HP LaserJet 4050 N.

I was printing a sticker - like I do all the time, but this time the lip of the label is on the rise and the label has been peeled off and on the drum of the AO.  I removed the tag and clean the drum with alchol.

However, when I try to print something, I hear a slight beep running noise.  Eventually, the printed page will look like this:

This model is always repeated on each page that you print.

The faded part is printed first, and then it becomes progressively darker as pictured.

I replaced the drum OD, but there was no difference.

Would appreciate any help.  I would like to know if there is any other information, that it would be useful for me to share.

Thanks in advance!

Andrew

Looks like a brand of roll for me, so it's consistent. I do not have the specifications of your printer in fromt of me but I would like to syspect that video I have provided which deals with reconstruction, could help you locate the part that must be cleaned. Because the drum has been replaced, it's something that's still sticking to it, which is to interfere with the toner or laser projection. As s micro Ribbon in front of the laser. Unfortunately, it was for decades for me so I can't get more specific.

Oh and the image finally appeared correctly. That really helped. Good luck.

Tags: HP Printers

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