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HP LaserJet Pro MFP M426fdw
macOS 12.0 Monterey

I'm seeing horizontal markings -- not sharp lines, but kind of smudgy and rather light lines -- from the left edge of the page to about halfway across. The markings are roughly one inch apart (see attached image). I've pulled the toner cartridge and wiped it down, tried the the Cleaning Page function, wiped rollers and any other parts I could reach. Printer and toner cartridge are five years old. We're not very heavy printer users, so the toner is still 50% full. I'm not sure where to turn or go next. Is there anything else I can check or do on my own, or do I need to bring it to a printer repair shop? Replace the toner? Replace the fuser (haven't done it before)?

IMG_2432.jpg

1 REPLY 1
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Anyone? Has no one seen this before?

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