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Repair and disassembly guides for Epson printer.

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Epson WF-7620 prints blurry every 7 lines black ink only

Epson WF-7620 prints blurry every 7 lines only when using black ink.

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Hi @gkgulya

You can try exploring the printer options in the epson printer and perform a ink cleaning, try this and see if helps.

note that some ink head printing may consume some amount of ink.

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I am experiencing this problem too. Have tried head cleaning, alignment horizontal and vertical, still blurring every eight lines. Looks very unprofessional

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same issue, the only way to fix is to manually clean the printhead. Very difficult. For the money paid for my WF- 7620 I am very disappointed. My printer began having these issues right after the warranty ran out. Sad that epson does not have good customer service to help with this problem. I love the printer but I am looking into other options for a new one. I am tires of having to spend hours per week fixing the printer to get high quality documents printed for my clients. Shame on Epson for not addressing this issue.

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This is a very common problem in the printers. There are various reasons behind this problem.

If you are using the HP printer, solve your problem by clicking on the given link-

https://notresponding.net/canon-printer-...

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I have an Epson WF-7620 I have cleaned the printer head and ink jets using the maintanance feature over and over. The colors prints as it should, but the black prints blurry or missing every 7 lines.

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Ditto. Same problem here!

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Same problem here, with WF-7620 and WF-3640

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I had to return under guarantee. The nozzles are blocked and has to be sent away for repair. Epson call Centre were brilliant I received a replacement and old one taken away. There is no solution to this problem.

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I have the same problem. I appears to be a driver issue. If I print from the Epson i-print app from my phone, it prints fine. Printer worked well on Windows 7 computer. Upgrade to Windows 10 is the problem. Driver doesn’t seem compatible with Windows 10.

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If you are running any Epson driver software on your computer, you should be able to run a variety of tests, including ink cleaning, nozzle tests, and head realignment.

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I have tried all of these already no luck still blurry

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I tried all of these, including a head cleaner by injection, and nothing fixed. Black ink still prints smeared!

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gkgulya さん、ありがとうございました!
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