The very best thing you can do is sometimes the simplest. So... Uninstall the printer completely. Leave for 20 minutes. Re-install printer and all should be well. How do I know this? Years of experience and many printers!
As you have no power lights and the washer will not turn on, please check that you have the machine turned on at the power point. If it is turned on, check your fuse box and correct any switch as necessary.