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Magenta marks on the side

HP Recommended
LaserJet M452dw
Microsoft Windows 10 (64-bit)

I have magenta marks running down the side of every printed page whether printing in color or black & white. They are about 1" apart and approximately 1/4" wide. I have tried running a cleaning cycle, checked the magenta cartridge drum, etc. I am out of ideas. Please help!!IMG_2165.JPG

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HP Recommended

Hi Woody9201,


What I would do if I were you:


1) Take out the magenta toner cartridge, roll the photoconductor and clean it, inspect it for any damage (scratches)

2) Replace the magenta toner cartridge with a new one or with a known well-working one


I hope that this may help,



Printer Engineer for a HP Platinum Partner
I am not a HP employee
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