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‎11-10-2018 06:17 AM - edited ‎11-10-2018 11:31 AM

HP Recommended
Product: HP PageWide Pro 477dw Multifunction Printer
Operating System: macOS 10.14 Mojave

I reacently baught a HP PageWide Pro 477dw Multifunction Printer via Amazon and I am really happy with it. Today I tried to print an Envelop DL and which is leaving five very thin white lines exactly after every 22nd mm as demonstrated below. I tried to run the Printer head aligment and all kind of cleaning process but there is no improvment at all. Any healp? Or do I need to send the printer back to Amzon?

 

Here is the sample

 

IMG_2019.jpeg

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