HP L7780 completely enclosed, will not respond to buttons or power down

Have a brand new HP L7780 who has for some reason any locked up.  He is unresponsive to other buttons.  Only way to turn off is to unplug it from the wall.  Power on, fails to go through the series of tests, as it should.

Impossible to update firmware and can not access the menu.  Not a single button responds.  Machine does not respond when you open the lid of the scanner.

The only answer is a motor noise when opening the door of ink cartridge, but no reaction when you remove or insert the ink cart.  LCD display features of a clock dead at 00:00 and date is Jan 00, 00.  Cannot change the clock settings.

Try this:

1. unplug the power cable from your wireless router (im just assuming you have one, cos that's what causes this problem).
2. unplug the power cable from the printer, then plug it in again. Now, the printer should start up and it must not freeze.
3 turn off the radio wireless to the printer by pressing Menu Configuration > network > wireless > Off.
4. turn on the wireless router.

If you plan to use the printer with the USB cable, then everything just keep installing the software and connecting the USB cable when asked to. But if you plan to use wireless, then there is a workaround solution.

1. with wireless radio off printers, plug an ethernet to your router and the printer cable.
2. in a few seconds, he should get his IP address. You can see on the printer using Setup > Netowrk > view network settings > display wired summary.
3. Once this is done, go back to the network menu > Advanced Setup > parameters IP and change IP address of "Automatic" to "manual". Confirm the IP address, subnet mask and the default gateway.
4. now unplug the cable at both ends. Turn the Radio on wireless to the printer. Should not freeze now. Restart the printer to confirm the resolution.

Tags: HP Printers

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