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Thread: HP LaserJet 4100n vertical smudges and repeating ghost images

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    Default HP LaserJet 4100n vertical smudges and repeating ghost images

    My HP LaserJet 4100n started producing vertical smudges with horizontal lines and repeating ghost images of text almost overnight. I ran a ten-page print job just now, and the first page is lighter than subsequent pages.

    • The aftermarket high yield toner cartridge is half full, and hasn't been a problem for thousands of pages.
    • There were less than 70,000 sheets since the last full maintenance years ago, but I went ahead and bought a new factory HP maintenance kit of fuser and rollers. Before installation, I removed all trays, duplexer and envelope feed, wiped interior surfaces and blew out dust with canned air. Installed kit. No improvement.
    • I re-cleaned the areas specified by the manual, and manually ran a "process cleaning page." No improvement (photo below).

    Any help will be much appreciated. Thank you!

    Edited to add: I've ordered a genuine OEM HP C8061A toner cartridge.

    Name:  HP LJ 4100n.jpg
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    Last edited by FredH; 12-31-2020 at 07:23 AM.


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