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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
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‎08-31-2016 06:08 PM

HP Recommended
Product: HP 8740

I have purchased a new HP8740 about three weeks ago and all has worked well until today.

I now have black vertical lines down the scan or photocopy.

I first turned the printer off for 30 seconds and put the power plug directly into the wall.  This did not work.

I turned it off - unplugged it for 5 minutes - but still has the black lines.

Can someone please suggest something else I can try.

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