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Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
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HP LaserJet P1606dn. I replaced the ink cartridge with HP 78A. The error light continues to blink. Is there a way to reset it? Thank you.

3 REPLIES 3
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Is it the toner light that is flashing or simply an error light? What happens if you place the old cartridge in the printer?

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The toner light is blinking. There is no paper jam, I followed the directions to replace the cartridge, tried the old cartridge, unplugged it--all to no avail.

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