I accidentally entered the menu engineering and messed up something on C4680

I accidentally discovered how to enter the menu engineering I was cleaning the Panel on my Photosmart C4680 and after seeing the hidden menu, my inner geek couldn't yet, and I explored. I think I must have triggered something, because now when I turn the printer off, the small display stays on and it displays a kind of model of test with white squares.

How to solve this?

Here is a picture.

I might have messed up something else, is it possible easy to completely reset the printer so it goes back to the factory, just in case? Everything except the display problem seems to work fine however.

That did not work, but I fixed it anyway.

I had activated some developer mode, all I had to do was re-enter the menu secret new (tapping random buttons I finally accessed again), scanned through all the options and then selected "start in user mode" (or something like that). After I turned the printer off, then back on and it was completely reset, he asked me for the country, the region and I had to do the calibration again, after the printer has resumed normal function.

Tags: HP Printers

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