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My HP Officejet Pro 8630 has started giving me this error when I try to access the Embedded Web Server (EWS) by entering the printer's IP address in a Web browser:

EWS system error on HP Officejet Pro 8630

System Error

An error has occurred.

Neither a network reset nor a firmware update addressed the issue. Furthermore, the printer hung while I ran a factory reset from the Settings menu, forcing me to manually power it off. I could not find any relevant diagnostic information in the printer software.

How do I fix this?

(This question should apply to the entire Officejet Pro 8600 family, including the 8610, 8620, and 8630, and variants thereof.)

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bwDraco
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1 Answers1

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Fixed the problem myself, but I'm posting this for the benefit of future readers who run into this problem. I found the answer here: https://community.spiceworks.com/topic/1155387-how-to-factory-reset-hp-officejet-8610-printer-not-thru-panel

Tap the Back button four times to open the Support Menu, and under Resets Menu, select Semi-full reset. The printer will shut down automatically, and you'll go through the first-time setup when you turn it back on again.

Contrary to what the name of the command suggests, this is a factory reset; most settings will be lost. However, at least you do not need a new set of SETUP cartridges as the printhead is not new, and a few settings, such as functions administratively disabled through the EWS, are retained. The printer's page count is also retained.

Sadly, the problem has recurred only a few days after the factory reset. I am not able to determine why. I'll have to wait for an answer from someone else...

...and it looks like the issue is gone. Might be some weird bug in the EWS, who knows? I'd have to contact HP to sort this out.

bwDraco
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