I bought the HP 5520 recently and it has been working quite well until recently. I had been using the apps button to access apps to print colouring sheets for my grandchildren. After working well for some weeks it immediately stopped, showing an error (-1) stating that it was not connected to internet. All other functions are working well (scan, print, copy, e-print from emails) but it refuses to allow me the apps. I have tried all suggestions in HP Support but to no avail. Help!!!
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