crwdns2934241:0crwdne2934241:0 Sam Huang

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What "B86F4068" means? how to fix?

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All lights are flashing on the screen, said “Printer Error:  please turn off and On”, but after power off and on again that, a code "B86F4068" shows up, then show the error message again.

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hp Officejet Pro 8600 Plus

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open