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‎07-01-2021 06:23 AM

HP Recommended
Product: Officejet Pro 6830
Operating System: Microsoft Windows 10 (64-bit)

The printer was working fine. Since some days I have extra black lines with a spacing of about 27mm on some pages – see image. I have changed already the black ink cartridge and done all the suggested tasks like cleaning print heads, etc..

Any ideas what could be the issue?Printer_issue.jpg

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