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‎06-07-2020 01:33 PM

HP Recommended
Product: HP Officejet Pro 8600
Operating System: macOS 10.15 Catalina

When I use the copy function on my printer (only on black copy function) I get columns of black vertical lines.  I am NOT using the ADF function, I am using the flatbed scanner.  This picture was from putting a blank piece of paper on the flatbed scanner and hitting the copy function and then black.  If use the copy function color to copy a blank piece of paper it will print out a blank piece of paper with no lines.  I can print from my computer with no issues this only occurs utilizing the black copy function.  Please help...

 

.Scan 2020-6-7 12.31.58.jpg

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